Company Holiday

Our offices will be closed on Monday 21st June for a company holiday. We are giving everyone the day off to say thank you for their commitment, dedication and hard work throughout the COVID-19 pandemic.

Our offices will reopen as usual on Tuesday 22nd June.

How can I test a RCD with the PrimeTest 250+?



To test an RCD plug or an RCD on an extension lead, you need to plug the RCD plug into the RCD isolator box (NTB 1) and then connect the PT250 mains lead into the either the socket on the RCD plug or the last socket on the extension lead.



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