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Discuss Especially for Eng54.... in the UK Electrical Forum area at ElectriciansForums.net
So the sticker is indicating that the two sockets in the picture are on different phases?
Poor old Marvo was also thinking it might be a special socket as well or at least it might have some hinkey wiring going on.....but poor old Mrs Jones is just going to think that this is a very special socket indeed.
This is how it was explained to me..... The reg was put in to cater for instances where voltage was higher than normally to be expected, an example of american airbases on British soil was cited to me in this explanation, although I am sure there may be more instances in heavy industry of which I have no experience.
The reg was originally worded to state that labels were to be placed where voltage exceeded 240. This resulted in a raft of 415V stickers all over equipment up and down the land.
What was actually meant, and how the reg has now been reworded, was that voltages where Uo (nominal line to earth voltage) exceeds 230 should be labelled, as this is outside the normal expected range of supply.
Don't shoot me down for any poppycock contained within that lot..... it's second hand info at best.
I've actually never seen this label anywhere!! Yet another totally pointless sticker, like the vast majority of all electrical stickers
...Right...i've got it...problem occurs at outlet,sparky separates each side and RFC becomes two radials,he checks his book,realises he'll have to change to two 20A mcbs,it's a 3ph board,applies sticker,photographs,posts on forum to get approval....:joker:... I just know you'll love this one matey. A socket on its own, in a village hall. You tell me how this won't confuse the hell out of someone?!!
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Unlike US-style duplex receptacles that have snap-out links and two sets of terminals, to the best of my knowledge there has never been a UK double, BS1363 or otherwise, that can have the two sockets split onto different circuits. Unless anyone knows of some obscure version that I've overlooked? In the US it's not uncommon to run both hots to a duplex, break out the link and have 240V between the two 120V outlets. Did / does the NEC require any sort of labelling in this setup?
...Going off the sticker debate...The phrase above,Tony,was EXACTLY what an old boy i worked with,did utter,when he explained to me how to "some men" had a single ear-ring,in order to "signal" their differing sexuality :bow: ...he was a merchant-navy seaman for most of his early life,on STD's,he said "i've had all of em'",and,although his pipe got on me nads,he taught me all the knots and how to form a leaded monkeys' fist!...eee the things we did before X-box...On our plants that had dual voltages 433V and 550V the engraved switchgear or DB identifier would be blue on white for 433V, red on white for 550V. Unobtrusive but had the required information.
If you mean using L1-L2 + E (240V) for each of the receptacles
Reply to Especially for Eng54.... in the UK Electrical Forum area at ElectriciansForums.net