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Hi, I am going to be running power to my shed in the coming weeks and will be doing all the work my self (notifying before and after with building control) I will be installing one 13a double socket and one 28w 2D light fitting, would it be OK to run a 2.5mm cable supplied by a 20a RCBO...

16A... why not 20A? thats the normal breaker size for 2.5mm radial is it not?

I have one of these left over from a bulk lot I bought: http://www.ebay.co.uk/itm/Siemens-6-40-amp-230v-5TT6-103-Priority-switch-NEW-/260896663252?pt=UK_BOI_Materials_Supplies_Electrical_ET&hash=item3cbea726d4 What is it and how would you use it?

Hi, I was looking in a control panel today at work and saw that the secondary side of a 230/110v (55v, 0v, 55v) transformer had its 0v attached to the body of the transformer. Why would this be done? Thanks

Just wanted to know if this is for real, never heard of anything like this before: http://www.ebay.co.uk/itm/5m-of-BS8436-Prysmian-Earthshield-cable-avoids-RCD-requirement-2-core-Earth-/170858088947?pt=UK_BOI_Electrical_Components_Supplies_ET&hash=item27c7ef89f3 It says "no need for RCD"

I'm not saying you would want to but I just wondered if that's how it was done in big factories or offices where they have lots of lights on one circuit but lighting terminals would only accept certain cable sizes.

I know that sockets are normally wired in ring finals but is there ever any need for lighting to be wired in a ring?

The transformer is a wire wound panel transformer (the type used in electrical control panels). Is there any easy "cheap" way to charge these type of batteries?

Hi, I have some 12v batteries (the type used in alarm panels) that I need to charge. Sitting on my shelf I have a 50VA 12v AC Transformer and a bridge rectifier... If i put the two together would this safely charge the batteries? If not what is the best way to do it? Thanks

Hi, Anyone got any experience with LED GU10 lamps? Im after some that will give an good light output similar to a standard GU10. They are for a coffee shop with a high roof... There are currently 38 GU10 lamps at 50w each!! need to get consumption down as there on 12 hours a day. Thanks

I have seen a few people talk about using merlin boards etc but they dont do type B RCBOs and they tend to be the norm in domestic properties do they not?

On RCBO protected circuits is there any requirement for capping to be installed protecting cables? The reason I ask is because my utility room is boarded out and behind is rough old stone (getting a fixing is a pain!) so if I can help it I dont want to put any on for the light switch & socket...

I only have a 6 way consumer unit (all RCBO's) and there is no room for anything bigger where it is so in order for more demand someone would have to get an electrician in to alter it all anyway and then I would assume they would upgrade the tails then. Im assuming its a split con cable, it...

Its like the first picture.

Hi, Quick question about my meter tails... I have a 100a service head with an 80a fuse in, from there we have 16mm tails and 16mm earth. From the meter to the consumer unit there is 16mm tails and 16mm earth. We have no electric shower (comes from heating) and our cooker is only rated at 13a...

Thanks for that.

HI, I have a radial in my utility room powering two 13a double sockets and protected by a 20a RCBO.. Its it ok to come from the last socket on the circuit to a 13a fused spur to power a light? Thanks

I have one transformer to one lamp. I think I will try another brand of transformer before I try going through the pain of contacting philips.

These: http://www.thelightbulbshop.co.uk/Shop/LightBulbs/Product/32302/MLED7WGU532724/7WMASTERLEDspotLVMR16DimmableGU53.aspx

Thats the problem... they all seem to be 20-60w or more.