Multi RCD testing | Page 2 | on ElectriciansForums

Discuss Multi RCD testing in the Periodic Inspection Reporting & Certification area at ElectriciansForums.net

your sub-main cable would only require RCD protection if part of it was, for example, T/E from CU buried or partially buried in a wall without earthed metallic protection.
 
Mcb in the house as its a distribution circuit rated at the cables current capacity of the cable,
Supplying your db1 in which you have your rcd.
Not good to have two rcd's in series trying to see who has the fastest time lol
 
a fluc apacitor should dit it as long as it's charged to 500V and clipped to his goolies.
 

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