A sadly large number of sparks I have worked with have little respect for the regs. I do not share their views. As this became a requirement relatively recently, 10 years ago, perhaps some people have not kept up with the changes and do not see the importance of it. Let's say that and give them...
Too right I'm confused. The question isn't specifically about SWA but taking that as an example, if there were a phase to armour fault that would be picked up even if the armour were not connected to earth.
Much appreciate your answers so far but I don't feel anyone has actually given a compelling reason (other than the regs which I already quoted in the OP).
A question for testers to settle a debate at work - GN3 & regulation 612.3.1 state that when doing insulation resistance, the CPC/armour of swa MUST be connected to Earth.
Does anyone know why this is please?
You can't get a JIB grade such as 'electrician' or 'approved electrician' unless you are nominated by a JIB company and hold valid qualifications.
Ostensibly it's to maintain standards.
No one, ever, thinks they use a lot of electricity. Can only think of one case where a customer's (shop) supply was also supplying the shop next door. Every other time they have simply used a lot of leccy. And, personally, I am pleased they are getting hammered for it financially. Once you have...
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