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New tails or Through crimps and heat shrink within enclosure
Discuss 25mm tails maintenance free joint in the Electricians' Talk area at ElectriciansForums.net
Think about it though, if done correctly with 100a single pole blocks each conductor could be under 4 brass screws, with all those properly tightened and the blocks within an enclosure I honestly can't see a problem.
In reality probably not - are you going to put your name on the paperwork then? Daz
If it was an EICR I'd put it as a code 3 with a comment Daz, I'd always use continuous lengths of tails on a new install though so the question doesn't apply in that scenario.
Think about it though, if done correctly with 100a single pole blocks each conductor could be under 4 brass screws, with all those properly tightened and the blocks within an enclosure I honestly can't see a problem.
It's funny but I've always been a bit wary of crimps, just me I suppose.
If it was an EICR I'd put it as a code 3 with a comment Daz, I'd always use continuous lengths of tails on a new install though so the question doesn't apply in that scenario.
It's funny but I've always been a bit wary of crimps, just me I suppose.
how on earth would you know the connection is under the carpet, under the floor boards??
I'd be VERY impressed if you can spot a totally CONCEALED connection is such a location when doing an EICR!
Depends how you do them. I have always been a bit suspect of indent crimpers. There is too much margin for error when manually setting them and I believe the indent method puts too much stress on the crimp sleeve.
I have complete faith in a crimp made with the correct hexagon die in a decent tool though.
how on earth would you know the connection is under the carpet, under the floor boards??
I'd be VERY impressed if you can spot a totally CONCEALED connection is such a location when doing an EICR!
I would assume the term accessible within our industry would refer to the common practices done to inspect and test a property, as a whole, ripping carpets up and pulling boards up wouldn't be carried out on such an inspection so any joint that wouldn't be expected to be checked, would in my mind be classed as inaccessible, I would expect any sparky worth his salt to stick his head in the loft and check for joints etc unless its boarded out then they should be MF.
This is my opinion and based on common sense of joints that are unlikely to be checked during a routine inspection report so any chances of obvious issues that could be spotted with a visual but not picked up by testing is reduced with the use of MF joints.
I'm not suggesting hiding JBs is good practice - merely stating that at least the plumbers have some proper guidance on what is considered "accessible" in their industry.
Regarding loft spaces, everyone I look in seems to have 18" of fibreglass insulation covering pipes, cables, downlights & LV transformers. I for one don't remove it all in the search for JBs that may or may not be there.
However, there must be literally millions of round JBs hidden in the UK domestic sector, with only a small percentage causing any problems. The test part of the I&T usually shows up any problems, then the fun begins.
Reply to 25mm tails maintenance free joint in the Electricians' Talk area at ElectriciansForums.net
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