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Question. In BS7671 what reg states about proving dead? Also about locking off?

Sergio Fernandez

Question. In BS7671 what reg states about proving dead? Also about locking off?

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  • All RCBOs off, main switch on.

  • in reply to Sparkingchip

    I assume that picture(s) is in a domestic dwelling?  Are they DP (Dual Pole) RCBO?  Single pole with switched Neutral will also suffice.  I have heard of people especially in a house having the Neutrals shared and then getting a back feed.  I always try and advise that RCBO DP or SP with switch Neutral are used. 

    Did you find what caused the issue in this picture?

  • in reply to Sergio Fernandez
    Sergio Fernandez said:
    Did you find what caused the issue in this picture?

    I think it relates to "blue to red" sometimes equals "blew to bits" in the picture in the post from   10 hours ago?

    Sparkingchip said:

    The reason for the issue in the previous photo. 

    I posted these photos a few years ago,  they are classic examples of unexpected issues that are potentially lethal.

  • in reply to gkenyon

    It didn’t take long to sort out!

    Checking using socket tester costing less than twenty quid would have identified an issue at the time of installation.

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  • in reply to gkenyon

    It didn’t take long to sort out!

    Checking using socket tester costing less than twenty quid would have identified an issue at the time of installation.

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