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The place I work has a heater which has a motor that pulls 28A on start up and a running current of 6A The heater will run on its own breaker The electrican that came said a 2.5 or 4.0mm would do the job Seems small for a motor that requires that much amp to start up...? The cable...

HI, Could anyone tell me what is the maximum ampage that can be drawn down a twin and earth 2.5 and 1.5mm cable Thanks

the cu is not a split load. Would this be the same for my electric underfloor heating in the bathroom then...? i.e. I currently run the feed on its own breaker from the cu via an rcd - would there be no requirement for an seperate rcd if the cu was not a split load? thanks

I have a new bathroom mirror light and have to run a spur to the bathroom light of the existing lighting circuit. The lighting system is protected by the main CU 63A 30ma RCD breaker. The question is, do I have to run the bathroom mirror light via a rcd fcu or will the CU breaker be ok...

seahawk2nige - please could you advise me as to where I can obtain the minor works cert and electrical installation cert from please. Thanks

Yes - I will be using the PowerBreak model (30ma). The location of the two RCD'S are within 1 meter of the consumer unit - any problems with that ?

I am installing underfloor heating in my bathroom and adding a spa bath. I wish to run the two items through their own RCD. Can I put the two RCD's on a ring circuit and just run the supply through one RCD and then the other and then allow the ring to contiue going on its path ? I am just...

Hi I would like to run outside 240v lighting in my back garden (or maybe low V). Could I feed off my bedroom socket to an IP.. outside socket and put an RCD on this, feeding the lighting through this. Or, do I need to run a seperate feed back to my CU...? Thanks

HI, I have just had an extention built and I would like to put 240v 50w halegon lights into the bedrooms. The only problem is that the insulation in the celling is resting on the plasterboard... Is there a minimum distance I have to cut the insulation back away from the lights or can I...

The existing is currently a 63A. Should I also put this into the second CU to match the first ? Do I run 10 or 16mm off the existing breaker into the new unit ? All that will be on the new CU is 7 Doubles set in bedrooms, 3 spot lights in each of the 4 bedrooms and 4 doubles in the garage...

I have just had an extension built and would like to know whether I can run an additional consumer unit onto my exsisting CU. The existing is brand new and has been fitted by a professional electrician. The reason for the additional CU is to keep the new extension on its own CU if possible ...

I wonder if anyone could shed some light!! I have a 15 year old pumped water system which has been getting air in it for sometime. My manual air release valve is directly after the water pump (on the flow)and I have to open this on a daily basis to expel all the air. Every now and...