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oxford 12

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Just been called back to a so called faulty rcd ,Because the BG engineer said it tripped when earth looping.on return found RCD to be OK.Had this twice in same house.Makes you wonder if BG engineers know how to earth loop RCD circuits .Any one else had the same problem? :put the kettle on :put the kettle on. :put the kettle on

 
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Maybe his loop tester didn't have a low current setting or what Robin called a DLOK. When I first started the instrument the electrician training me used was a Megger LT5 and he used to bypass the RCD with some 2.5 singles to do the loop tests.

And I always thought BG issued there engineers with one of the Socket & See loop testers.

 
Had a call from BT Engineer a few years back saying the ZS was too high on the socket outlet therefore he could not connect his equipment.

I asked what he was looking for and he said less than 1.15 ohms, I said you do know it's a TT supply don't you, he said so.

Enough said.

 
I presume you are talking about a central heating engineer???

I'm a British Gas electrician and have in previous topics defended our much critisized breed, but won't go there right now.

I too get called out because a c/h engineer takes a loop and trips the RCD and it bugs the hell out of me. But then they aren't electricians and if there testers trip an RCD for safetys sake they get it checked out, I'm sure as hell not going to advise people on their boiler!

Don't know what testers they use but normally its a case of in and out in 5 because there is nothing wrong.

The electricians are issued with Metrel Eurotest MFT's.

 
Sorry forgot to turn caps lock off. Did not notice at the time
Sorted, As many of your earlier posts were not all caps on, I assumed it was just a minor glitch so corrected it for you. You are not the first to do it and will no doubt not be the last either!

Doc H.

 
Maybe his loop tester didn't have a low current setting or what Robin called a DLOK. When I first started the instrument the electrician training me used was a Megger LT5 and he used to bypass the RCD with some 2.5 singles to do the loop tests.
The Robin testers even with DLOK trip Rcbo's under 16 A . I believe they push 25A round the loop & dont have a low current setting.

 
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