electricalforum.nz

I have been asked to wire up and connect the AC side of a solar system. That's all easy enough. Switchboard to inverter via isolator, bond from switchboard. I can very easily provide a COC for that. Where things get a bit vague is when a non electrician has mounted the inverters, batteries, panels, ...

I have a new build where the customer has chosen 13 infrared ceiling mount heaters for their heat source. The heaters vary in size from 350-900w and total 10.5kw. They connect by a ceiling mounted 10a socket. My question, should my max demand calculation allow for these? It is not a singular, fixed ...

Im trying to wrap my head around a job im approaching where an existing single storey house is adding an extra storey. The goal is to have two separate apartments each with their own electricity metering. Ideally, the existing 16mm underground cable is re-used, taken to a meter box with the two mete...

Hey ive just been browsing the thread trying to answer a query and this is pretty on point. A work mate was adamant a submain earth was fine at 2.5mm. This is explained well enough here. But does a sub board (which is a switchboard and therefore has a neutral bar and a earth bar) really not need a 4...