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Electric Shower isolator ?

aligarjon

Hi guys.

I have just done an EICR on a rental. They have relatively recently had a shower installed (brown/blue cable) with no local isolator fitted. The CU is quite old so the mcb's can't be locked off and neither can the up front rcd. Does a C3 sound right or no code just a mention. I have looked at a couple of Mira installation manuals for reference and they state recommended isolation switch rather than requires so as far as i can see not a manufacturers instruction either.

Gary

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  • 0

    Why are there different sections on an EICR for isolators, switching off for mechanical maintenance and emergency switching?

    Because they're different functions, often need different equipment and are needed in differing situations (you normally don't need an E-stop for a shower). Though I'd admit that the difference between isolation and switching off for mechanical maintenance is very small these days - I wonder how many have noticed that a normal lightswitch is no longer acceptable for changing a lamp?

       - Andy.

  • 0 in reply to AJJewsbury
    AJJewsbury said:
    I wonder how many have noticed that a normal lightswitch is no longer acceptable for changing a lamp?

    You mean that you check? ;-)

    I am only being slightly tongue in cheek - it is difficult to know with a pull-cord or even multi-way wall switches.

  • 0 in reply to Chris Pearson

    it is difficult to know with a pull-cord or even multi-way wall switches

    It's a (theoretical) problem even with simple 1-way plateswitch installed the right way up. The issue is that BS 7671 now demands proper isolation for mechanical maintenance (which re-lamping is still included in) - and according to table 537.4 ordinary lightswitches (to BS EN 60669-1) don't provide isolation.

       - Andy.

  • 0 in reply to AJJewsbury

    Yes, but see note 4.

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