Discuss RCD not tripping in the Periodic Inspection Reporting & Certification area at ElectriciansForums.net

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S

smiffy

Last month I changed a consumer unit and all was well. Now neither of the RCD's are tripping correctly. I get either >50v or >40ms. Could this be 2 faulty RCD's? the make is Contactum and the elecsa guy I spoke to today didn't seem too keen on them. Idea's most welcome
Carl
 
what tester? try testing RCDs at the RCD with the associated MCBs OFF.
 
Bloody Contactum..... 2 lazy/faulty RCD's on the same board. Changed them out , new ones working ok. Never fitting Contactum again.
 

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