Can you confirm if the Grey core is unused or concerted to something els?
The armour of the SWA doesn't appear to be earthed at the supply end
Also was the new RCCB tested or just put in could be that the new unit is actually faulty and not tripping when its meant to
also you say its a TT...
150 amp Arc welder should run fine on a 13 amp plug for most work, a 16 amp socket B16 breaker is fine for my 180 amp arc welder.
some cheep Chinese welders do blow fuses/breakers for fun though
The OP seems keen to tell us about this "purpose built" "Professional" work shop but the...
Plasma cutter is the only real tool for cutting out intricate shapes in thin metal sheets, fairly neat cuts that can be filed up in a fraction of the time it would take with a dermal etc
No some people DIY because they enjoy the learning and the sense of achievement and also if they do it themselves they know its done to their own standard.
I did the eclectics in my workshop myself using conduit and trunking and I dare say the install is a much higher standard then allot of...
Sorry if there was a misunderstanding I was trying to say that as the OP calculated 6mm cable would satisfy the load of the new consumer unit however to be on the safe side 16mm tails should be used.
This is a DIY forum and if someone askes a question then cherry picks the wrong bits of...
I know that hence the "Probbably" and the fact that I do not advise 6mm cable and instead told him to go with 25 or 16 which will be sufficient in any domestic situation with an 80/100 amp main fuse
He asked a question about cable sizes and I answered it if he uses 16mm there will be no problem it doesn't matter what the earthing system is as to the size of the line and neutral tails yes that is a consideration for other things but as far as the question he asked goes then he now has an...
Just to provide a useful response to the OP rather then useless drivel, while 6mm would probably satisfy your load and may technically be safe as the upstream OCPD would operate before the cable could become overloaded.
Convention and possible a regulation somewhere would say that 16 or 25mm...
Some times dimmer switches have a dimmed output and a on/off output so if the fan is wired separately to the switch or a new wire can be pulled in then the fan could still be on the same switch but not effected by the dimmer
Better give the DNO a call them I'm about to do some vacuuming and haven't notified that that I will be using a motor over 1kw
The clause in the contract talks about fixed loads
A 3hp compressor should not cause any problems on the network I can use one in my garage that is fed via a 4mm...