Split Concentric Cable

The neutral afaik is only in there to reference the voltage coil, the current coil will be connected in the phase so it won't make a difference.
 
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The meter will work fine, the neutral is linked internally anyway, and the meter only uses it to measure volts. Still should pass through really.

What I HATE in the pic is the split con is not enclosed at it's terminations. The red and black are therefor now only single insulated.

That split should have been taken into an enclosure or a switched fuse etc.

You can get rubber-boots for the end of the split con and the con, but these are more a DNO type thing. Could use them I suppose. They heat shrink on, and are full of hot-melt type stuff.
 
Crafty wrote:
why are there only 3 wires in this meter:

I don't know why they did it that way (probably easier than terminating into an enclosure or switch) but believe me the meter does work, Scottish Power keep sending me a bill every quarter :rolleyes:
And it's been messy & clumsy since we moved in, in the early 90's, but as it's in the garage away from prying fingers and such I've not thought that much about it. I suppose any regs covering it would be under the Supply Regulations :?: and not BS7671, and I think it would have been the 14th edition wiring regs in operation when the house was built in the late 70's.
 
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