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Thank you for responding so quickly Andy

Hi guys, I have a couple of questions on my mock paper that I am unsure about and would appreciate any input with these questions, I have put my answers below in blue, many thanks in advance. 1. an insulation resistance test on a circuit indicated zero Megohms between line and neutral. explain...

thanks i am going to give it a try, will let you know how it goes!

i ran feed from first sensor to second sensor and can see it has power by flashing LED. i have tried connecting this second sensor to circuit at end light and also without connecting it to circuit just coming off first sensor and neither activates it like the one at front end of corridor, LED...

I am trying to wire some motion sensors in parallel at each end of a corridor at work.There are 6 lights that are connected to this circuit via small plugs. I have got one sensor which work's by connecting it to feed at IN terminal and connecting OUT terminal to closest light. Doing this makes...

not at the moment I am working in maintenance, fairly new to job used to working with B breaker's!

I always got told b was domestic, c was commercial and d was industrial so as it was a commercial building and the rest was on a C I would use a C. I am used to working on a domestic do you mean I should have used a D or B?

The thing is it didnt trip the breaker- thanks by the way for all this help :Applaud

switch for isolator?

I am pretty sure it was but if it is not the cable size it must have been connection?

I am not used to working in these types of premises, I used C as that's what they used for every thing else.

The fryers worked for most of the day but burnt a couple of hours ago The connections were tight so am unsure why this has happened I got worried I had put a cable in that was too small

as it is in a commercial building, these fryer's are being used in a small kitchen/canteen area

I am using a 32A C breaker it is ran is 3 core SWA 4mm, the reason I ask is that one of the fryer's is working ok but the other burnt at the neutral connection and it worried me that I should have used a bigger cable instead- any ideas why it burnt at one of the neutrals?

no it is 2 separate supplies

Hi all, can anyone tell me what cable size I should use for 2 x 6kw fryer's which has a run of 20 meters, it's been a while since I had to work these out and have got a little rusty so I used an online cable size calculator which gives me 4mm- is this correct? Any help would greatly appreciated!

ok thanks to everyone for the advice

thanks for the quick reply Andy, am I right in thinking that I do not need to be Part P registered as I have 2330 L2/L3/17th Edition and that I can test and inspect the property myself and sign it off as a competent person. Also does it cost to notify LABC?

Hi guys,I have just bought a house and its got an old distribution board so I am going to change it to a new one,I'm not registered with any schemes as I am working in maintenance at moment, I have 2330 L2 and L3 and 17th Edition. Who if anyone do I have to notify about this work? Many thanks...