17/08/2026
⚡TPS Cable Sizes Explained: A Practical Guide for NZ Electricians
1.0mm², 1.5mm², 2.5mm², 4.0mm² or 6.0mm² TPS — what’s the difference, and what factors need to be considered when selecting cable?
We’ve put together a practical guide covering:
🔌 Common TPS cable sizes and applications
⚡ 1.5mm² vs 2.5mm² TPS
📏 2.5mm² vs 4.0mm² and 4.0mm² vs 6.0mm²
🌡️ Installation method and derating considerations
📉 Voltage drop considerations
🇳🇿 Considerations for New Zealand electrical installations
Cable selection isn't simply about matching a cable size to an application. The circuit design and installation conditions matter.
👉 Read the full guide: https://coregrid360.co.nz/blogs/news/tps-cable-sizes-explained-which-cable-should-electricians-use
CoreGrid360 - Online electrical supply for NZ contractors.
Transparent pricing. Straightforward supply.
Compare common TPS cable sizes from 1.0mm² to 6.0mm². A practical guide to TPS cable selection and applications for NZ electrical contractors.
