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Question about Who can do what and minor works certs

Former Community Member
Former Community Member
I have a couple of questions regarding small electrical works in a house, who can do them and whether a minor works cert is needed.

 

im trying to nail down an answer to the following. 


i) Can a plumber / non-electrician  replace a broken immersion heater in a water cylinder. i.e. unwire old one from the fused spur and wire in new one to fused spur? Is an qualified electrician needed? Is a minor works cert needed?


ii) With regard to replacing a like for like electric shower in a bathroom that has broken….can a plumber / non-electrician do this? Or is a plumber needed for wet part and electrician for electric side. Again, is a minor works certificate needed.


iii) With regard to replacement of a central heating component such as a zone valve or cylinder stat….is a minor works cert needed ? Can this work be undertaken by a plumber / non-electrician?


I’m trying to work out what plumbing works can be undertaken by anyone / a non-electrician and what works require both trades.


in the plumbing / heating trade there is cross over. 


Many thanks for your time
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    BS 7671 only requires certification for new installations, or alterations or additions to existing alterations. The original post only seemed to mention like-for-like replacements - which could be viewed as being in none of those categories, but simply maintenance or repair. You wouldn't call up a full BS 7671 process for simply plugging in an appliance, and arguably the only difference for a hard-wired appliance is ensuring the actual connections are safe - there'd be no need to go through the full BS 7671 design process for example.


    Anyone doing any kind of work needs to be competent to do that work of course. But simply connecting three wires to three terminals (or four or five in the case of the motorized valve) is a very small subset of the skills of a proper electrician - there's no reason why anyone else might not be competent in such a simple task. Certainly you'd want some verification that mistakes hadn't been made that might compromise the safety of the system - but (taking inspiration from some boiler installation instructions) a simple continuity check on the PE connection with a 'British Gas multimeter' is probably quite sufficient for that.


       - Andy.
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  • 0
    BS 7671 only requires certification for new installations, or alterations or additions to existing alterations. The original post only seemed to mention like-for-like replacements - which could be viewed as being in none of those categories, but simply maintenance or repair. You wouldn't call up a full BS 7671 process for simply plugging in an appliance, and arguably the only difference for a hard-wired appliance is ensuring the actual connections are safe - there'd be no need to go through the full BS 7671 design process for example.


    Anyone doing any kind of work needs to be competent to do that work of course. But simply connecting three wires to three terminals (or four or five in the case of the motorized valve) is a very small subset of the skills of a proper electrician - there's no reason why anyone else might not be competent in such a simple task. Certainly you'd want some verification that mistakes hadn't been made that might compromise the safety of the system - but (taking inspiration from some boiler installation instructions) a simple continuity check on the PE connection with a 'British Gas multimeter' is probably quite sufficient for that.


       - Andy.
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