K
knasher
The boards i tested were none RCD protected, with 60A sub main protective device. Is the easiest way to solve the problem to install a main RCD incomer, eg 63A, 30mA at each DB? any advise?
Discuss Zs too high at distribution boards in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net
its TN-C-S supply
sorry just picked up all other responses to my query. Ze at origin is 0.08,(should be 0.35 shouldnt it for TN-C-S?
Reply to Zs too high at distribution boards in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net
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