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Hello all, been asked to wire up something in a factory that will switch off the Ambirad overhead heaters as the big doors are opened. Does anybody have an idea of what to use at the door end please? its two doors that meet in the middle. I thought about using a contactor in a small...

Can a fused spur be spurred off a hallway socket which is on the ring main and then used to power two sockets, one in a bedroom and one in the kitchen below? I know its not and ideal way but its probably the easiest way with the littlest mess. TIA for all the part P advice but I'm aware and...

Hi, I'm a little concerned about a wire to a switch in a pipe box. The cable is 1.0 and is touching the radiator pipe. Should it be moved? is there something I can put between the pipe and cable? TIA

Hello, I have seen RCD's at 30mA/80A or 30mA/63A. Could someone tell me what situations each are used. Are they just for different loads on the RCD side? TIA

HI, Can a fused spur that supplies a boiler and is already spurred from an existing socket on the ring main supply another fused spur to supply power to an underfloor heating pump? TIA

Hello, could someone advise me on the average cost of a PIR on a three bedroom house ?

Hello, Do cables in attics have to run through joist 50mm down from top I.A.W the regs or can they be laid on top and clipped as there won't be any boarding going down. TIA

Hello, My gas meter is in the same cupboard as my consumer unit. The 22mm pipe that supplies the combi boiler upstairs runs up the wall and over the top of the cables coming out of the consumer unit. the cables are not touching the pipe. Are there any distances that a gas pipe has to be from...

Hello, when knockouts have been removed from the top of a CU and cables are going through them and a slight gap is left which doesn't meet IP4X do you have to plug up the gap with something? the CU in question is quite high up and is not readily accessible. Thanks in advance

Hello, Help please. Which table do you use for Max EFLI? in BS7671 table 41B2 says Max efli for a type B 32amp MCB is 1.5 ohms but table 2D in GN3 says 1.2 ohms Anyone else have this problem or am I being blonde :?: Thanks in advance.

Hello, could anybody tell me if a 16A radial to a FCU which supplies a boiler should be on the RCD side of a split load CU or the non-RCD side. Thanks in advance

Hi, A question for you experienced electricains out there. My house is having a new consumer unit and I would like the ring main to stay wired as it is. A test was put on it and the results were as followed, r1 was 0.58, rn was 0.56 and r2 was 1.38, I think the cable is 2.5mm with a 1.0mm...

Hi, I have recently discovered that my consumer unit needs changing. Before I call in the electricain I need to know what work needs to be done. I have a 4 fuse wylex CU with 1 ring main, 1 radial lighting circuit, shower circuit and power to my house alarm. My questions are the house is a...

Hello, I have a shower circuit in my house and I wish to find out if it is acceptable. A 6mm cable on a 32 amp breaker runs from the consumer unit to the kitchen 45 amp cooker switch (with 13A socket). The cooker is gas so switch is not needed. The 6mm cable runs from the switch through the...

Hi, I intend to put a sub main into my shed. I'm not sure how the armoured cable should be wired into the CU. Should the armour be conected to the MET or the earth terminal inside the CU? I know it should be on the rcd side of the CU and I know the importance of Part p and it will be checked by...

My consumer unit needs changing as I have one of the old fuse types with only 4 fuses. 1 for my shower, 1 for both rings upstairs and down and 1 each for the lighting circuits. I have also noticed that my main fuse is marked as 60/80A. Could I get the leccy board to come around and change this...

I wish to fit a motion detecting security light to the back of my house. Can I wire it into a 3 pin plug and plug it in to a socket on the ring main or does it have to be connected to the lighting circuit?