AS/NZS 3008.1.1:2025 (Cable Selection Standard)
Australian/New Zealand standard for selection of cables — updated for the 2025 edition. Current rating tables, DC cable sizing, derating factors, voltage drop impedances, and installation methods.
AS/NZS 3008.1.1:2025 — Cable Selection Standard Overview
Comprehensive overview of AS/NZS 3008.1.1:2025 (and 2017), the primary standard for cable sizing in Australia and New Zealand. Covers scope, key tables, installation methods, derating factors, DC cable sizing, and relationship to AS/NZS 3000 Wiring Rules.
AS/NZS 3008.1.1:2025 vs 2017 — What Changed? Complete Engineer's Guide
Everything that changed in AS/NZS 3008.1.1:2025. DC cable sizing up to 1500V, revised grouping factors, updated soil thermal resistivity, NZ transition timeline. Free comparison guide for electrical engineers in Australia and New Zealand.
DC Cable Sizing — AS/NZS 3008.1.1:2025 Complete Guide
How to size DC cables under AS/NZS 3008.1.1:2025. Covers solar PV string cables, battery energy storage, EV charging, voltage drop in DC circuits, and worked examples with standard references.
AS/NZS 3008.1.1:2025 — New Zealand Transition Guide
New Zealand transition timeline for AS/NZS 3008.1.1:2025. EWRB guidance, WorkSafe NZ compliance, what changes for NZ electrical engineers, and how to prepare before the November 2026 deadline.
AS/NZS 3008 Table 13: Current Carrying Capacity
AS/NZS 3008 Table 13 explained — current-carrying capacity of multicore thermoplastic insulated cables. Column selection, common sizes from 1mm² to 400mm².
AS/NZS 3008 Table 22: Temperature Derating Factors
AS/NZS 3008 Table 22 explained — ambient temperature derating factors for above-ground cables. Correction values from 25°C to 80°C for V-75, V-90, and X-90 insulation.