One of the most common questions electricians ask is:
Which TPS cable size should I use?
Choosing the correct cable isn't just about price. The right cable ensures safety, compliance and long-term reliability.
Below is a quick guide to the most common TPS cable sizes used across New Zealand.
1.0mm² TPS
Typically used for
- lighting circuits
- switch wiring
- low current applications
1.5mm² TPS
Commonly used for
- lighting
- power circuits
- small appliance circuits
2.5mm² TPS
Probably the most popular cable used by residential electricians.
Suitable for
- socket outlets
- general power circuits
- kitchens
- bedrooms
- living areas
4mm² TPS
Often installed for
- hot water cylinders
- ovens
- air conditioning
- higher current loads
6mm² TPS
Commonly used where higher current capacity is required including
- submains
- EV chargers
- larger appliances
Looking for Reliable TPS Cable?
At CoreGrid 360 we're building our launch customer base by supplying certified Dominion Cables to electricians across New Zealand.
Trade enquiries are always welcome.