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RCD in consumer unit difficult to switch on

Alan B

Just as I arrived at a customers house there was a power cut because the DNO was working on a substation near by. It wasn't expected back on until midnight tonight meaning that I could only do dead tests.

When the power cut the main RCD in his CU also tripped and it was quite difficult to get it back to the on position. I am aware you can get latching RCD's in plug sockets but not normally in domestic CU's.

This leaves me wondering if the lack of power on the supply side or maybe some disturbance on the lines was making the RCD difficult to set or if I had a faulty RCD and need to start hunting down an RCD for my return trip.

There was a single RCD protecting all circuits and switching all the circuits off made no difference. I am assuming it doesn't change the operation of an RCD  but the CU was mounted upside down.

Welcome your thoughts

Thanks

 

Alan

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    I did some research on GET. they were acquired by Shnider Elextric and then the products were obsoleted in 2007.

    Used replacements sell on eBay for 40 or 50 pounds. I don't feel comfortable putting a Used device in that's that old. I think if the device still plays up on my return I am just going to recommend a new cu.

    I am familiar with devices that need to be pushed down before they will reset. I am reasonably sure the rcd in question was not one of these.

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  • 0

    I did some research on GET. they were acquired by Shnider Elextric and then the products were obsoleted in 2007.

    Used replacements sell on eBay for 40 or 50 pounds. I don't feel comfortable putting a Used device in that's that old. I think if the device still plays up on my return I am just going to recommend a new cu.

    I am familiar with devices that need to be pushed down before they will reset. I am reasonably sure the rcd in question was not one of these.

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