Regulation 521.10.1 of BS 7671 requires that non-sheathed cables (ie. ‘singles’) for fixed wiring can only be installed in cable trunking if the trunking provides ...
Heat Pumps (HP) producing leakage currents above 1kHz, will not be compatible with Type B RCDs that are only manufactured to meet the lowest requirement of BSEN62423 i.e. operation up to 1kHz. Type B ...
To comply with Regulation 522.8.14, no wiring system should penetrate an element of construction that is intended to be load bearing unless the load bearing ability of the element remains satisfactory ...
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