Inspired by another topic, when exactly did earth wires have to be insulated?
For years it was almost unheard of to sleeve an earth wire.
There would be bare earth wires entering fuse boards, and at sockets the earths were never sleeved.
My guess is that earths were sleeved somewhere between 1966 and 1970. The insulation was of course green.
Can anyone name a more precise date?
For years it was almost unheard of to sleeve an earth wire.
There would be bare earth wires entering fuse boards, and at sockets the earths were never sleeved.
My guess is that earths were sleeved somewhere between 1966 and 1970. The insulation was of course green.
Can anyone name a more precise date?