You would be wasting money getting them out to change their part, they won't be interested, 16mm is fine for almost all domestic applications, you may well find you have a 60A or 80A fuse anyhow. What they have between their cut-out aand meter is their property, I wouldn't even worry about it.
Be aware though that you can't just stick your earth into the neutral on every TNS supply, only after asking your local DNO and confirming! Years ago they would have been true TNS not anymore!
In our area, the DNO know every street and which ones are suitable for PME connection which is nearly all of them these days every joint on that supply cable done in the last 20 or so years will have been 'PME'D'.
OK since all is quiet, I would purchase a wylex 108M and a 60 or 80A fuse to protect your submain (dependant on reference method), Move the isolator up put the Switchfuse below it and tail into that from isolator, then take your armoured straight into the switchfuse as it will be metal, I would...
Cobra is right, you would have tested all circuits that you reconnected, stick all of your limitations and deviations down on the EIC and put a 5 year sticker on it?!
Steve is right the 3rd phase is a 'phantom phase' created by capacitors, effectively static converters only run motors on 2 phases and they run pretty rough as well, some motors never really 'take to them' especially cheap crap motors you get now, with all the decent inverters out there now at...
6mm would be adequate if already in place and replacing is not an option IMO. If it was for my gran I would do the above and lose no sleep, definitely safer then before.
I've got all the dies for imperial conduit, you can successfully thread 25mm with 1" BSP dies, most of our works pipe vices are old and have 1" formers, the difference is so minimal!
GLENN- You are right on taper threads usually only on gas, however I have seen them on water pipe where to...
just run what they want Let them no the shortcomings I.e loading and ensure cable is adequately protected. does 2.5 in plaster really derate to 18.5? surely thats method c, even with capping.
oh and make sure you run your wiring in something tough inside the stable as horses will chew it!
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