Quote:
Originally Posted by TonyDuell
As for different floors being on different phases there is a possibly apocryphal story of a student who needed 3 phase mains to run a vintage computer. He discovered that each floors of his hall of residence was connected to a different phase, so he ran extension leads out of the window to the rooms above and below.
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OT but visiting the Ocean Room at the local Pavilion Theatre in Weymouth I noticed that all the sockets have a coloured engraved plaque fixed on them giving which phase they are on and that different sockets can have 400V (or something thereabouts) between them, very smart.