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Has anybody have any suggestions how to retro-fit a photo-cell to a 50 watt exterior LED floodlight. It seems they are not available to buy from new, as I presume that a photo-cell would not work with this type of fitting, as it would be difficult to keep the lights output affecting any cell...

Does anybody know of any replacement for a MEM 203 MB3 Type 3 triple-pole breaker to replace a suspect one, bearing in mind that they are obsolete, and other than getting a pre-owned one off E-Bay,  I'm hoping somebody will know of one still available, of a different make perhaps, out there...

Have been supplied with a 13A plug-in thermostat to operate an extractor fan in an otherwise unventilated computer server-room. As far as I have been able to work out, the plug-in stat will only operate a heater, but cannot see how it can switch a cooling fan  on when room gets too hot. The...

Two months ago I was asked to fit some (supplied) LED light fittings to a building frontage, three are PIR type, and two without. Just recently the three PIR type have started flashing on & off every time they are triggered. The other two are working OK. It just happens this circuit is...

Hello. Has anybody got any idea's as to if any precautions are needed when insulation testing @ say 500 Volts on these new power points with USB outlets? I believe that the USB outlet part is always available and not switched by the sockets switch. Would any megger-testing  give a false...

Came across a "tripping" problem today on a visit to a teaching workshop, a 5KVA "Blakley" transformer unit providing 110Volts to socket outlets for students, double-wound centre-tapped(as a site transformer,) fed from dis-board on 20 Amp circuit, with MEM/Eaton B-type RCBO. Am I correct in...