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if it is a site halogen was the lamp rated at 240/230v or 110v? in my experience most are 110 and if you supplied 240/230v lamps you would have problems

could your tell us what numbers are connected to what cables on the contactor and if there was any preconnected cables? it sounds like once the stat energises it the contactor the holding contacts take over to keep it in, some contactors are pre wired .

The supply is tncs the boiler is 1m from the exterior of the house and the tank is 10m from the boiler with the oil line buried in the ground in ducting.

A quick question for all the sparks. With an external boiler would you bond the oil service as it dose not enter the property. The pipe work for the central heating and hot water are in copper external to the house but where they enter the property they are converted into an all plastic...

Might sound obvious but check the leads into the meter are connected correctly as if you have reversed the blue and green you will get this problem.

If you are using tri iso you should keep downlights a minium 200mm gap as it is combustible.

Whats the betting somebody wired a ring from a spur then connected in another spur?

I would advise you to install a lintel. All external boxes i have come across have a lintel above but these are generaly installed buy the builders.

if the pipes are just copper tails supplying the rad from a plastic pipe system you should not earth them as you could introduce a potential when otherwise under fault conditions the rad would not become live.

A bit extreme i know, but i do know a carpenter who was working for some builder type, he kept getting told that his money would be made up next week,"i am a bit short this week", this was generally on a friday night in the pub this bloke did this to him for a few to many weeks until he took...

I have been in formed that the mcb centre line should be no more than 1200mm off f/f/l to met the building regs reguarding disabled accsess.

Hi just a quick one for all the electricians on here. What height do you fit your cu's /db's in brand new dwellings.

Is the thermostat downstairs the only stat in the house ? Do you have thermostatic valves on the radiators to control temperature ,if so this stat might be for frost protection and used to bring on the central heating as an override measure for protection.On the stat it should have different...

You could always replace the shower with a lower powered unit

Upgrade the cable to 10mm then use 50 amp mcb, make sure your isolating switch has a current rating of 50amps as well.

Hire a C.A.T with a signal generater from your local tool hire company .

You should use a TT supply for this application Fit double insulated enclosure ip 65 to the out side of the container ,bring in a TT supply to this enclosure to feed RCD 30mamp with a suitable MCB to feed either a sub circuit to a consumer unit inside the container for multiple circuit...

You should not spur from a spur. What you can do is spur to a fused outlet then from the load side ,feed both your sockets as the combined load of both sockets can not exceed 13anps, and therefore not overload your 2.5mm cable. Ring main-----fused outlet------socket-----socket. First...

Try illuma.co.uk Look in the tech section