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Free Printable Reference Materials

Pocket cards, wall posters, inspection checklists, toolbox talk cards, calculation templates, and standards guides — all free to download, print, and distribute.

106 items available · All free PDF downloads

THE ECALPRO FIELD KIT

Get ALL reference materials in one download

16 pocket cards, posters, checklists & toolbox talks — organized, ready to print, and always up to date.

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Includes materials for AS/NZS, BS, IEC & NEC standards
Updated monthly with new reference cards

Pocket Reference Cards

Credit-card size (85x54mm). Print on cardstock, cut along crop marks, laminate for durability. Front: current ratings. Back: derating factors + QR code.

AS/NZS 3008.1.1:2017AS/NZS 3008 Card

Free printable pocket card with Cu/XLPE cable current ratings from AS/NZS 3008 Table 13/14 and derating factors from Tab...

Front: Cu/XLPE 90°C current ratings per Table 13 and Table 14 for enclosed in conduit, on perforated tray, and direct buried methods. 8 cable sizes from 1.5mm² to 240mm².

Back: Derating factors for ambient temperature (Table 22), grouping (Table 25), and soil thermal resistivity (Table 27). QR code links to full cable sizing calculator.

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BS 7671:2018+A2BS 7671 Card

Free printable pocket reference card with cable current ratings from BS 7671 Table 4D2A and derating factors from Table ...

Front: Cu/XLPE 90°C current ratings per Table 4D2A for Reference Methods A1, B1, and C. Common cable sizes for UK installations.

Back: Grouping factors (Table 4C1) and ambient temperature correction (Table 4B1). QR code links to full cable sizing calculator.

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IEC 60364-5-52IEC 60364 Card

Free printable cable current rating reference card per IEC 60364 Table B.52.4/5 with derating factors from Table B.52.14...

Front: Cu/XLPE 90°C current ratings per Table B.52.4/B.52.5 for Methods B1, C, and D. Covers common metric cable sizes.

Back: Correction factors for ambient temperature (Table B.52.14) and grouping (Table B.52.17). QR code links to full cable sizing calculator.

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NEC/NFPA 70:2023NEC 310.16 Card

Free printable NEC Table 310.16 ampacity reference card with 310.15(B)(1) correction factors. Credit-card size for walle...

Front: Conductor ampacities per Table 310.16 at three insulation temperature ratings (60/75/90°C). Sizes from 14 AWG to 500 kcmil.

Back: Ambient temperature correction (Table 310.15(B)(1)) and conduit fill adjustment factors. QR code links to full cable sizing calculator.

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NEC/NFPA 70:2023Conduit Fill Card

Free printable NEC conduit fill chart. Maximum conductor counts for EMT, RMC, PVC conduits with THHN/THWN wire. Per NEC ...

Front: Maximum fill percentages (1/2/3+ conductors) plus THHN/THWN conductor count table for 6 EMT conduit sizes and 7 AWG sizes.

Back: Conduit types (EMT/RMC/PVC/FMC/LFMC), nipple fill exception (60% for ≤24"), and trade size to metric equivalents. QR code links to calculator.

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AS/NZS 3008, BS 7671, IEC 60364, NECCable Sizing Card

Free printable cable sizing quick reference card covering current-carrying capacity for common sizes (1.5–300 mm²) acros...

Front: Cu/XLPE current-carrying capacity for 1.5–300 mm² across AS/NZS 3008 (Table 13), BS 7671 (Table 4D2A), IEC 60364 (Table B.52.4), and NEC (Table 310.16). Four-column comparison layout.

Back: Universal voltage drop formula with worked example. Consolidated derating factor table (ambient temperature and grouping) for all four standards. QR code links to cable sizing calculator.

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IEC 60034-12Motor Starting Card

Free printable motor starting method comparison card. DOL, Star-Delta, Soft-Starter, and VFD compared by starting curren...

Front: Four-method comparison matrix: DOL, Star-Delta, Soft-Starter, VFD. Starting current (×FLA), starting torque (%FLT), voltage dip (%), cost, complexity, and IEC 60034-12 categories.

Back: Practical selection guidance per method. Decision tree for motor starting method selection based on motor size, supply capacity, load type, and budget. QR code links to motor current calculator.

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AS/NZS 3000, BS 7671, IEC 60364Standards Cross-Ref

Free printable cross-reference table mapping key clauses between AS/NZS 3000, BS 7671, and IEC 60364. Covers voltage dro...

Front: 25-row three-column clause mapping table: AS/NZS 3000, BS 7671, and IEC 60364. Topics include voltage drop, earth sizing, max demand, overcurrent, disconnection times, RCDs, testing, and documentation.

Back: Extended mapping for specialist areas: motor circuits, transformer protection, surge protection, and hazardous areas. NEC equivalent clauses noted where applicable.

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IEC 60255-151IDMT Curves Card

Free printable IDMT curve reference card per IEC 60255-151. Standard Inverse, Very Inverse, and Extremely Inverse time-c...

Front: Log-log time-current graph overlaying SI, VI, and EI curves. Time equation per curve type with constants (k, α) tabulated. Visual comparison at multiple current levels.

Back: CTI grading margins (0.3–0.5s). TMS selection methodology with worked example. Pickup current setting rules. Curve type selection guide. Typical TMS values for common configurations. QR code links to protection calculator.

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IEC 60255-151 / IEC 60255-181Relay Settings

Free printable protection relay settings reference card. IDMT formula, SI/VI/EI curve constants, pickup settings guide, ...

Front: IDMT formula with SI/VI/EI constants table. Definite time element guide. Typical pickup settings for overload and instantaneous elements.

Back: CTI coordination rules (0.2–0.4s). Relay hierarchy diagram. Highset vs lowset overview. QR → Protection Coordination Calculator.

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IEC 60909-0:2016 / IEEE C37.13Short Circuit

Free printable short-circuit calculation reference card. IEC 60909 formulas, voltage factor c table, impedance correctio...

Front: IEC 60909 I"k formula. Voltage factor c table. Impedance correction factors. Three-phase, L-L, and single-phase fault equations.

Back: Peak current ip formula with κ table. Thermal equivalent Ith formula. 10 common transformer impedances. QR → Short-Circuit Calculator.

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IEC 60947-2 / AS/NZS 3000:2018CB Selection

Free printable LV circuit breaker selection guide card. MCCB ratings explained (In, Ics, Icu, Icw), selectivity types, T...

Front: Key CB ratings explained (In, Ics, Icu, Icw). Selection rules: In ≥ IB, In ≤ Iz, Ics ≥ Ipsc. Selectivity types table.

Back: Type 1 vs Type 2 coordination. Cascading rules and limitations. IEC 60947-2 test duty cycles. QR → Cable Sizing Calculator.

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NEC 392 / IEC 61537Tray Fill

Free printable cable tray fill calculation reference card. NEC 392.22 fill rules, IEC 61537 ratios, common tray widths w...

Front: NEC 392.22 fill rules (50% multiconductor). Single-conductor rules. Fill area formula. Derating per NEC 310.15(B)(3)(a).

Back: IEC 61537 fill ratios. Common tray widths with area table. Rung spacing requirements. QR → Conduit Fill Calculator.

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IEC 60364-8-1 / IEEE 1459PF Correction

Free printable power factor correction calculation reference card. Reactive power formula, capacitor sizing, kVAr/kW cor...

Front: Reactive power formula. Capacitor current formula. cos φ correction factor table (0.70→0.95). Economic PF target guidance.

Back: Harmonic derating rules. Anti-resonance avoidance. Transformer loss reduction with PF improvement. QR → Motor Calculator.

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IEC 60079-10-1 / NEC 500-505Haz Area Zones

Free printable hazardous area zone classification reference card. IEC 60079-10-1 Zone 0/1/2, NEC Division 1/2, gas group...

Front: Zone 0/1/2 and Zone 20/21/22 definitions. NEC Division cross-reference. Equipment category selection. Gas group table (IIA/IIB/IIC).

Back: Temperature classes T1–T6 with AIT rule. EPL zone mapping. Ex protection type symbols (d, e, ia). QR → resources page.

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IEC 60076 / IEEE C57.12Transformer Sizing

Free printable transformer sizing and derating reference card. kVA sizing formula, demand factor application, temperatur...

Front: kVA sizing formula. Demand factor application. Temperature derating (-1%/°C above 40°C). Altitude derating (-3%/1000m above 1000m).

Back: K-factor for harmonics (K-1, K-4, K-13). %Zk fault level lookup table. QR → Transformer Calculator.

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IEEE 1188 / IEC 60896-21 / IEEE 485Battery/UPS Sizing

Free printable battery and UPS sizing reference card. Ah capacity formula, autonomy time calculation, temperature correc...

Front: Battery Ah capacity formula. Autonomy time calculation. Temperature correction factor. IEEE 485 discharge method overview.

Back: DoD limits by battery type. Float vs equalise voltages. Charger sizing rule. QR → UPS sizing resources.

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General Reference Cards

Universal electrical reference cards — not tied to a single standard. Color codes, IP ratings, wire gauge conversions, conduit fill, and emergency first aid.

Color Codes CardNEW
Cable Color Codes Worldwide

Free printable cable color code reference card covering 10 countries including IEC, NEC, BS 7671, AS/NZS 3000. Identify ...

Front: Color code table for L1/L2/L3/N/E across IEC, AS/NZS, BS (pre & post 2004), NEC (120V & 277/480V), India, Middle East, China, and Japan.

Back: Important notes on local amendments, legacy installations, DC system colors, and harmonised color adoption. QR code links to cable size calculator.

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IP/IK Rating CardNEW
IP/IK Rating Quick Reference

Free printable IP and IK rating decoder card. Instantly look up ingress protection ratings from IP00 to IP69K plus impac...

Front: IP rating decoder grid: 1st digit (0–6) for solid object protection, 2nd digit (0–9K) for liquid protection. Side-by-side columns with descriptions.

Back: Common IP ratings by application (IP20 to IP68) and IK impact ratings (IK00–IK10) with energy values in Joules. QR code links to ecalpro.com.

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mm²↔AWG CardNEW
mm² to AWG/kcmil Conversion Card

Free printable mm² to AWG/kcmil conversion chart. Cross-reference metric and imperial cable sizes instantly. Essential f...

Front: Two-column conversion table covering 0.5mm² (20 AWG) through 500mm² (1000 kcmil) with approximate conductor diameters in mm.

Back: Conversion formulas (area, AWG-to-diameter, kcmil↔mm²) and key notes on AWG numbering system. QR code links to cable size calculator.

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First Aid CardSAFETY
Emergency Electrical First Aid

Free printable electrical emergency first aid card. Step-by-step response for electrical injuries. Laminate and post in ...

Front: 6-step emergency response procedure. Key lethal voltage/current thresholds (>50V AC, 30mA across heart). Electrical burn treatment basics.

Back: AED usage steps, recovery position guidance, "DO NOT" list for electrical injuries, and emergency phone numbers (AU/UK/USA/Intl). QR code links to ecalpro.com.

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VD Limits Cheatsheet
Voltage Drop Limits by Standard — A Cheatsheet for Multi-Standard Projects

Free printable voltage drop limits cheatsheet comparing NEC (3%), IEC (4%), AS/NZS (5%), and BS 7671 (3%+5%) side by sid...

Front: Side-by-side voltage drop limit comparison: NEC (3%/5%), IEC 60364 (4%), AS/NZS 3008 (5%), BS 7671 (3%/5%). Measurement origin rules per standard. Single-phase and three-phase VD formulas.

Back: Single-sided A4 cheatsheet — no back content.

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Units & Formulas
Electrical Engineering Units & Formulas Reference Sheet

Free printable electrical engineering units and formulas reference sheet. Ohm's Law, power triangle, 3-phase power, impe...

Front: Ohm's Law (all forms), power triangle, single-phase and three-phase power, impedance, voltage drop, fault current, transformer relations, motor FLA estimation, and PF correction formula.

Back: Single-sided A4 reference — no back content.

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Wall Posters

A3 landscape format. Print in color for best readability. Perfect for design offices, workshops, and site cabins.

A3 PosterPOPULAR
Cable Ratings Poster

Free printable A3 wall poster comparing cable current ratings across AS/NZS 3008, BS 7671, IEC 60364, and NEC side-by-side. Pin in your design office.

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A3 Poster
Derating Poster

Free printable A3 derating factor comparison poster. Color-coded matrix showing temperature, grouping, and installation method derating across 4 standards.

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A3 PosterSAFETY
Arc Flash PPE Chart

Free printable arc flash PPE category selection chart per IEEE 1584-2018 and NFPA 70E. Colour-coded PPE categories 1–4 with incident energy ranges, required equipment, and arc flash boundary formula.

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A3 Poster
IP/IK Rating Chart

Free printable IP and IK rating reference chart poster. Full IP matrix (IP00–IP69K), IK impact scale (IK01–IK10 with joules), common applications, and minimum ratings per AS/NZS 3000 and BS 7671.

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A3 Poster
Earthing Systems Poster

Free printable earthing system comparison poster. TN-S, TN-C-S, TT, and IT systems shown as single-line diagrams with fault current paths, key characteristics, and mandatory protection per IEC 60364-1.

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A3 Poster
Transformer Decoder

Free printable transformer nameplate decoder poster. Annotated nameplate diagram with every parameter explained per IEC 60076. Includes vector group table and practical implications.

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A3 Poster
VD Limits Poster

Free printable A3 voltage drop limits poster. Side-by-side comparison across NEC (3%/5%), IEC 60364 (4%), AS/NZS 3008 (5%), BS 7671 (3%+5%). Includes formula worked example.

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A3 Poster
Protection Coord Poster

Free printable A3 protection coordination poster. Time-current characteristic curves for typical system hierarchy. CTI zones, instantaneous pickup bands, coordination rules.

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A3 Poster
Motor Starting Poster

Free printable A3 motor starting methods comparison poster. DOL, Star-Delta, Autotransformer, Soft-Starter, VFD side-by-side. Starting current, torque, cost, typical applications.

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A3 PosterNEW
Install Methods Poster

Free printable A3 cable installation methods poster. 12 installation reference methods with letter codes across AS/NZS 3008, BS 7671, IEC 60364, and NEC. Visual icons and cross-reference mapping.

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Inspection & Commissioning Checklists

A4 single-page checklists. Photocopy and distribute to your site team. Each includes project info fields, numbered inspection items with checkboxes, and a sign-off block with pass/fail result.

A4 ChecklistCable Installation

Free printable cable installation inspection checklist. 20-item quality checklist covering routing, termination, testing, and sign-off per AS/NZS 3008, BS 7671, IEC 60364, and NEC.

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A4 ChecklistSwitchboard Commissioning

Free printable switchboard commissioning checklist. 22-item checklist covering mechanical, electrical, protection, labeling, and documentation per AS/NZS 3000, BS 7671, IEC 61439.

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A4 ChecklistEarthing System

Free printable earthing system testing checklist. 20-item checklist covering electrode installation, resistance testing, bonding, and fault verification per AS/NZS 3000, BS 7671, IEEE 80, NEC 250.

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A4 ChecklistIEC 61439 Commissioning

Download a free switchboard commissioning checklist aligned to IEC 61439-1/2. Covers visual inspection, insulation resistance, busbar torque, protection settings, earth continuity, and functional testing. No signup required.

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A4 ChecklistCable Installation IEC

Download a free cable installation inspection checklist per IEC 60364-5-52 and BS 7671. Covers route verification, bend radius, fire barriers, terminations, labelling, and pre-test. No signup required.

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A4 ChecklistEarthing Inspection

Download a free earthing system inspection checklist per BS 7671 Part 6 and IEEE 80. Covers electrode inspection, bonding, resistance measurement, touch and step voltage, and documentation. No signup required.

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A4 ChecklistArc Flash PPE Inspection

Download a free arc flash PPE inspection and maintenance checklist per NFPA 70E and IEEE 1584. Covers arc-rated clothing, face shields, gloves, tools, rating verification, and storage log. No signup required.

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A4 ChecklistMotor Commissioning

Free printable motor installation and commissioning checklist. 22-item quality checklist covering nameplate verification, megger testing, alignment, direction of rotation, overload settings.

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A4 ChecklistGenerator Commissioning

Free printable generator commissioning checklist. 20-item checklist covering fuel system, cooling, battery/starting, AVR voltage, frequency, load bank test, ATS transfer time, protection relays.

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A4 ChecklistArc Flash Pre-Work

Free printable arc flash study pre-work checklist. 20-item data collection checklist covering SLD verification, transformer impedance, relay settings, utility fault level, PPE category assignment.

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A4 ChecklistLV Energisation

Free printable LV panel board energisation checklist. 22-item checklist covering insulation test, earth bar continuity, neutral-earth link, incoming cable phasing, busbar torque, CT polarity.

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A4 ChecklistLightning Protection Inspection

Free lightning protection system inspection checklist PDF. 9 sections covering air termination, down conductors, earth termination per IEC 62305-3/4. No signup required.

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A4 ChecklistTransformer Commissioning

Free transformer commissioning checklist PDF. 11 sections covering winding resistance, TTR, insulation, Buchholz, tap changer per IEC 60076 and IEEE C57. No signup required.

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A4 ChecklistUPS/Battery Commissioning

Free UPS and battery system commissioning checklist PDF. 11 sections covering cell checks, discharge test, static switch, EPO per IEEE 1188 and IEC 62040. No signup required.

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A4 ChecklistGenerator Set Commissioning

Free generator set commissioning checklist PDF. 11 sections covering pre-start, load bank test, ATS transfer per IEC 60034 and ISO 8528. No signup required.

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A4 ChecklistVFD Commissioning

Free VFD installation and commissioning checklist PDF. 11 sections covering cable routing, parameter setup, harmonic filter per IEC 61800 and NEC Art 430. No signup required.

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A4 ChecklistElectrical Safety Audit

Free electrical safety audit checklist PDF. 11 sections covering arc flash labels, PPE, LOTO, working space clearances per NFPA 70E and IEC 60364. No signup required.

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A4 ChecklistMV Switchgear Commissioning

Free MV switchgear commissioning checklist PDF. 13 sections covering SF6, primary injection, hi-pot, breaker timing per IEC 62271 and IEEE C37. No signup required.

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A4 ChecklistSolar PV Commissioning

Free solar PV system commissioning checklist PDF. 12 sections covering string Voc/Isc, inverter setup, anti-islanding per IEC 62446 and NEC Art 690. No signup required.

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A4 ChecklistEmergency Lighting Inspection

Free emergency lighting inspection checklist PDF. 11 sections covering function test, battery duration, lux levels per BS 5266 and IEC 60598. No signup required.

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Toolbox Talk Cards

A5 landscape, double-sided. Front: 5-minute safety briefing with key hazard points. Back: discussion questions and attendance record for compliance documentation.

A5 Toolbox TalkSAFETY
Arc Flash Talk

Free printable arc flash awareness toolbox talk card. 5-minute safety briefing on arc flash hazards, PPE, safe boundaries, and emergency procedures with attendance record.

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A5 Toolbox Talk
Safe Isolation Talk

Free printable cable identification and safe isolation toolbox talk card. 5-minute briefing on LOTO, proving units, permit to work, and the 7-step safe isolation procedure.

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A5 Toolbox TalkSAFETY
PTW Talk

Free printable permit to work electrical toolbox talk card. 5-minute safety briefing on PTW stages, LOTO essentials, live work restrictions, competency requirements. With attendance record.

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A5 Toolbox TalkSAFETY
PPE Selection Talk

Free printable electrical PPE selection toolbox talk card. Arc flash PPE categories 1–4, cal/cm² ratings, rubber insulating glove classes 0–4, pre-use inspection checklist.

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A5 Toolbox Talk
Fatality Stats Talk

Free printable electrical safety statistics toolbox talk card. Annual electrocution fatalities (AU/UK/US), arc flash injuries, most common causes, real-world case studies, near-miss reporting.

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A5 Toolbox TalkSAFETY
Underground Services Talk

Free printable underground electrical services toolbox talk card. Dial Before You Dig, cable locator use, trial hole requirements, safe dig zone, cable strike emergency procedure.

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Calculation Templates

Excel spreadsheets and fillable PDF worksheets for cable schedules, motor load lists, relay settings, arc flash worksheets, and earthing design records.

TEMPLATECable Schedule

Free cable schedule template Excel download for electrical engineering. Columns for tag, from/to, voltage, phases, load, cable size, installation method, voltage drop, protective device.

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TEMPLATEMotor Load List

Free motor load list template Excel download for electrical engineering. Columns for tag, description, kW, voltage, FLA, efficiency, PF, starting method, diversity factor, demand kVA.

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TEMPLATEArc Flash Worksheet

Free arc flash boundary calculation worksheet PDF. Fillable form with fields for system voltage, fault current, working distance, electrode configuration, incident energy, PPE category.

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TEMPLATERelay Settings Record

Free protection relay settings record template Excel download. Columns for relay tag, make/model, location, CT ratio, pickup, TMS, curve type, highset, test date, engineer sign-off.

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TEMPLATEEarthing Design Record

Free earthing system design record template Excel download. Soil resistivity measurements, rod/plate/grid conductor sizing per AS/NZS 3000 BS 7430 IEEE 80, earth resistance test records.

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TEMPLATESwitchboard Schedule

Free switchboard schedule template Excel download. Pre-formatted for circuit details, protection devices, cable sizes. Professional engineering layout.

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TEMPLATEArc Flash Label

Free arc flash warning label templates per IEEE 1584-2018 and NFPA 70E. Includes incident energy, flash boundary, PPE category, approach distances. Editable.

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TEMPLATEMotor Starting Study

Free motor starting study template Excel. Covers DOL, star-delta, soft starter & VFD starting methods. Voltage drop assessment and cable sizing inputs.

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TEMPLATETesting Checklist

Free electrical testing and commissioning checklist. Covers insulation resistance, earth continuity, loop impedance, RCD testing, polarity. All standard test methods.

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TEMPLATEPFC Study Template

Free power factor correction study template. Calculate required kVAR, select capacitor banks, assess harmonic risks. Step-by-step methodology included.

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TEMPLATEVoltage Drop Record

Free voltage drop calculation record template Excel. Pre-formatted for circuit details, cable data, √3·I·(Rcosφ+Xsinφ)·L results per IEC 60364. No signup.

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TEMPLATECable Sizing Record

Download a free cable sizing calculation record template Excel. Columns for load data, derating factors, cable selection, voltage drop, and short-circuit withstand per IEC 60364, BS 7671, AS/NZS 3008. No signup required.

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TEMPLATEShort-Circuit Record

Download a free short-circuit calculation record template Excel per IEC 60909-0:2016. Columns for node impedance, Ik", ip peak, breaking current, thermal withstand, and equipment rating verification. No signup required.

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TEMPLATEArc Flash Study Record

Download a free arc flash hazard study record template Excel per IEEE 1584-2018 and NFPA 70E. Columns for equipment data, arcing current, incident energy, PPE category, and approach boundaries. No signup required.

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TEMPLATELightning Risk Assessment

Download a free lightning protection risk assessment record template Excel per IEC 62305-2. Columns for structure data, flash density, collection area, risk components R1-R4, and protection level. No signup required.

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TEMPLATEMax Demand Record

Download a free maximum demand assessment record template Excel per AS/NZS 3000, BS 7671, and NEC Art 220. Columns for load groups, demand factors, diversity, phase assignment, and transformer sizing. No signup required.

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TEMPLATEPFC Sizing Record

Download a free power factor correction sizing record template Excel per IEC 60831 and IEEE 1036. Columns for existing PF, target PF, required kVAr, bank selection, detuning, and harmonic filter. No signup required.

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TEMPLATELoad Schedule

Download a free electrical load schedule template Excel per IEC 60364 and NEC Art 220. Columns for equipment tag, rated power, phases, demand factor, feeder ref, and annual energy. No signup required.

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TEMPLATEEarth Resistance Record

Download a free earthing resistance test record template Excel per IEEE 81 and BS 7430. Columns for electrode data, soil type, test method, instrument, probe spacing, and pass/fail. No signup required.

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TEMPLATEIR Test Record

Download a free insulation resistance test record template Excel per IEC 60364-6 and BS 7671. Columns for circuit data, test voltage, L-N, L-E, N-E readings, temperature, humidity, and pass/fail. No signup required.

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TEMPLATEMotor Starting Record

Free motor starting calculation record template Excel. Document starting current, voltage drop, protection settings per IEC 60034 and NEC Art 430. No signup required.

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TEMPLATETransformer Sizing Record

Free transformer sizing calculation record template Excel. Document load analysis, demand factors, and transformer selection per IEC 60076 and IEEE C57. No signup required.

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TEMPLATEBattery Sizing Record

Free battery sizing calculation record template Excel. Document duty cycle, capacity, ageing and temperature factors per IEEE 485 and IEC 60896. No signup required.

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TEMPLATEConduit Fill Record

Free conduit fill calculation record template Excel. Document cable areas, fill ratios, and jam ratio checks per NEC Chapter 9 Table 1 and AS/NZS 3084. No signup required.

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TEMPLATEDiscrimination Study

Free protection discrimination study record template Excel. Document upstream/downstream device coordination per IEC 60947 and BS 7671. No signup required.

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TEMPLATEZs Calculation Record

Free earth fault loop impedance calculation record template Excel. Document Zs values, BS 7671 Table 41 limits, and disconnection time verification. No signup required.

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TEMPLATEProtection Device Schedule

Free protection device schedule template Excel. Document MCB/MCCB/ACB ratings, trip settings, and discrimination status per IEC 60947 and BS 7671. No signup required.

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TEMPLATEEarthing Electrode Schedule

Free earthing electrode schedule template Excel. Document electrode types, soil resistivity, measured resistance, and connections per BS 7671 and IEEE 80. No signup required.

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TEMPLATELighting Schedule

Free lighting and small power schedule template Excel. Document luminaire types, socket outlets, circuit loads, and phase assignment per IEC 60364 and NEC. No signup required.

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TEMPLATEMotor Schedule

Free motor schedule template Excel. Document motor ratings, starting methods, VFD tags, cable and protection details per IEC 60034 and NEC Art 430. No signup required.

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TEMPLATEInstrument Loop Schedule

Free instrument and control loop schedule template Excel. Document loop numbers, signal types, cable tags, I/O points per IEC 61511 and ISA S5.1. No signup required.

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TEMPLATEZs Test Record

Free earth fault loop impedance test record template Excel. Document measured Zs, Ze, R1+R2 values and pass/fail per BS 7671 and IEC 60364-6. No signup required.

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TEMPLATERCD Test Record

Free RCD tripping time test record template Excel. Document trip times at 1× and 5× IΔn, ramp test, pass/fail per BS 7671 and IEC 61008. No signup required.

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TEMPLATEContinuity Test Record

Free continuity test record template Excel. Document R1+R2 values, ring circuit cross-connection, pass/fail per BS 7671 Part 6 and IEC 60364-6. No signup required.

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TEMPLATEPolarity Test Record

Free polarity and phase rotation test record template Excel. Document polarity checks, phase sequence, motor rotation per BS 7671 and IEC 60364-6. No signup required.

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TEMPLATEPower Quality Record

Free power quality and harmonics measurement record template Excel. Document THD, voltage imbalance, flicker per IEC 61000-4-30 and IEEE 519. No signup required.

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TEMPLATEThermal Imaging Record

Free electrical thermal imaging survey record template Excel. Document hotspot temps, severity classification, action priority per IEC 62446 and NFPA 70B. No signup required.

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TEMPLATEDesign Basis Template

Free electrical design basis template Excel. Document project standards, supply data, voltage drop limits, cable criteria, and design margins. No signup required.

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TEMPLATESLD Data Template

Free single line diagram data collection template Excel. Document equipment tags, ratings, fault levels, cables per IEC 61082 and IEEE 315. No signup required.

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TEMPLATECable Tray Fill Template

Free cable tray and raceway fill calculation template Excel. Document tray dimensions, cable areas, fill ratio per NEC Art 392 and IEC 61537. No signup required.

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TEMPLATEHarmonic Assessment

Free harmonic distortion assessment template Excel. Document IEEE 519 compliance, Isc/IL ratio, THD limits, and mitigation per IEEE 519 and IEC 61000-3-6. No signup required.

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TEMPLATEArc Flash Label

Free arc flash warning label template PDF. NFPA 70E Art 130 and NEC 110.16 compliant. Print on weatherproof label stock. No signup required.

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Standards Guides

2-page summary guides for major electrical standards with step-by-step cable sizing methodology and exact table references.

GUIDEAS/NZS 3008 Guide

Free AS/NZS 3008.1.1:2017 cable sizing summary guide PDF. Step-by-step cable selection methodology, key tables reference, derating factor application, voltage drop calculation. 2-page printable.

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GUIDEBS 7671 Guide

Free BS 7671:2018+A2 cable sizing summary guide PDF. IET Wiring Regulations step-by-step cable selection, key tables (4D2A, 4B1, 4C1), voltage drop Appendix 12. 2-page printable.

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GUIDEIEC 60364 Guide

Free IEC 60364-5-52 cable sizing summary guide PDF. International standard step-by-step cable selection, installation methods Table B.52.1, current ratings, voltage drop Annex G. 2-page printable.

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GUIDENEC Guide

Free NEC/NFPA 70:2023 conductor sizing summary guide PDF. Article 310 step-by-step wire sizing, Table 310.16, ampacity adjustment, voltage drop calculation. 2-page printable.

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GUIDEMulti-Standard Guide

Free multi-standard cable sizing comparison guide PDF. Side-by-side comparison of AS/NZS 3008, BS 7671, IEC 60364, and NEC methodology, terminology, tables, voltage drop limits. 2-page printable.

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Printing Tips

Pocket Cards

  • Print on 250–300gsm cardstock for durability
  • Use "Actual Size" in print settings (do not scale to fit)
  • Cut along crop marks with a paper trimmer
  • Laminate with 80–125 micron pouches for site use
  • Use duplex (double-sided) printing for front/back

Wall Posters

  • Print on A3 (297 × 420mm) or tabloid
  • Color printing required for comparison highlights
  • Use a professional print shop for best results
  • Frame or laminate for long-term office display

Checklists

  • Print on standard A4 paper (80gsm is fine)
  • Photocopy and distribute to entire site teams
  • Black & white printing works perfectly
  • Fill in project details before photocopying
  • File completed checklists for audit trail

Toolbox Talks

  • Print double-sided on A5 or half-fold A4
  • Use cardstock (160-200gsm) for repeated use
  • Front: present to team. Back: collect signatures
  • Keep completed cards on file for safety audits