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Hi, Hope everyone is having / had a nice christmas! Im going to be adding a cooker hood to my kitchen afterthe new year but the kitchen is already fully fitted and tiled. Is it acceptable to run a feed from the loft from either the ring final to a single socket or from the lighting circuit to...

Hi, Im having a friend rewire my house for me, he is a fully qualified electrician with his test and inspection certificate but he is not part p registered. Ive read this on a website (http://www.electricalsafetyfirst.org.uk/guides-and-advice/building-regulations/england/) does this mean in...

in my industrial unit I have a 2 gang MK outdoor switch powering two sets of lights... the two sets of lights are fed from two different breakers and such are on two different phases.... is this safe? there will be 400v at the switch!!

I've got 5x low bay induction light fittings on my workshop roof (200w each) that I replaced the old 400w SON ones with... All 5 are wired in to a C6 MCB but every so often when turning them on the breaker trips??? Surely 5x 200w fittings won't make a C6 breaker trip? It's a Eaton Memshieldo...

I have a 3 phase planer in my workshop and recently the star delta starter went faulty so I bought a pre made open frame type like the picture below ready to fit back in to the enclosure.. The problem is this one does not have a start, stop or emergency stop button and so will now need to be on...

We are having to re-label some circuits at work as they have come off and dont know what to put for the three phase ones.... For single phase they go like: DB-A/1L1 How would you do the three phase ones?

A friend has just had 80 solar panels installed on his company roof to produce up to 20kw power that he plans to sell back to the grid... I'm confused though because even though it does say it can produce that much it only outputs a Max of 30.3amp from the invertor and has a 32a 3 pole breaker...

Hi, I know that a new rule has come in regarding the need for none combustible consumer units and just wanted to know if its a requirement to have an existing one changed. I'll be having some testing done next week and wanted to know if it will be flagged as needing to be changed. Thanks

I see a lot of switch Fuse's in factories etc where a SWA cable will come from the DB to feed a machine but before it hits the machine there will be a switch fuse before it... Why do this when there is a breaker protecting it? Why not just use an isolator as required.. Only asking as I've...

We had our 3 phase distribution board change a few months ago from a 18 way cartridge fuse type board to a 24 way mcb board. There was no main isolator on the old boars but it had a 100a mem switch fuse mounted under it that presumably provided the isolation. . The new board does however have...

In what case would a shunt trip or under voltage accessory be used on the side of an MCB? Just seen some for Merlin breakers and could not figure out what they would be used for.

Hi, Ive been given a small portable generator for my remote shed to power some lights and a socket.. im just wanting to know how it all needs to be earthed? Is it treated like a TT system and would it be best to run from the 230v genny socket to a small consumer unit for lighting and sockets...

Looking to buy some items for a pending refurb project and came across this on ebay, worth the money? http://www.ebay.co.uk/itm/141538875321?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649 or is it over priced?

I cant believe stuff like this is actually being sold! would you trust it? http://www.ebay.co.uk/itm/Wall-Socket-Residual-Current-Operated-Protection-Circuit-Breaker-GFCI-RCBO-RCCB-/281488055241?pt=UK_BOI_CircuitBreakers_RL&hash=item4189fedbc9[/url]

Hi, In our current setup we have a three phase service head with 25mm tails feeding a 3 phase 125a distribution board. This is used as a sub mains board Nd MCBs (single pole and three phase) feed sub consumer units both inside and out side the property. My question is really about if this...

Hi, I had an electrician extend 10 cables in some galvanized box trunking in my work shop and have just come to put the capping back on to find that he has used crimp joints and just put them back in the trunking.... Should these not be covered by heat shrink or brought in to an adaptable...

I have some metal trunking running around my workshop feeding sockets and sub boards etc and I need to add a new small sub board for some machines.. Can I use tri-rated singles in the trunking to supply the feed for the sub board? I have lots of it so may as we'll try use it! Thanks

Hi, I want to regulate the voltage on a circuit to 220 - 230v max and the circuit will have a load of about 100w. Is there anything I can get to do this apart from those expensive "whole house" vphase things. Im having problems with bulbs blowing (even LED and CFL) and my voltage can be at...

Just been to look at a new building for my company and noticed that the main 3 phase DB is located under a sink... Should I be worried? does it need moving?

I have a metal clad consumer unit and I have just replaced a breaker and noticed there is a brass bolt going through the side of the unit and its not connected to anything... what are these there for?