How to calculate earth conductor size:
... Voltimum Experts. Question: I’m currently working on an electrical installation re-wire job, and there’s a 2.5mm main earth on a TN-C (this was originally a DIY job carried out about 30 years ago), so I called the distributor who said: “There’s ...
... Dont use PFC but times 400A x 400A x5secs. Square route the result and then divide by k= either 115 or 143. you will find the CSA of the exisitng earth is actually more than adequate for the installation. Regards, NICEIC &Elecsa Technical Team
... Colour/Finish White Installation Supplied with metal wall bracket. Electrical connections 1.0m, 4 core cable (live, neutral, earth, pilot) supplied fitted to each heater. IP rating Splashproof IPX4. 150 mm (Min) 150 mm (Min) 546 mm 105 mm Shelf 300 mm ...
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