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  1. R

    New Comer requires a little advice on an unusual Mains Supply to the local pub.. HELP

    Hi, I m very new to this so please go easy... Got called out to the local pub yesterday to a supply fault, the Landlord has informed me that every now again (usually a Saturday night when they are busy) the pub will loose all power. The Supplier is called out and usually replace the Fuse next...
  2. D

    Supply to lights

    Hello gents, Has anyone encountered the supply 'loop' to a lighting circuit being installed in the switch? Rose has 1 T&E 1.5mm and switch has about 4 red wires and 4 black wires (in two separate blocks). I've never seen it before but the switch is wired as a regular rose would be and the rose...
  3. C

    Advice on supply to marina

    Hi all, I am civil engineer (not much electrical knowledge!) working on a project to upgrade the customer power points at a marina. The current system is a 3 phase 400V 100A supply that splits at three distribution units, to give power for customers and lighting on 2 different sides of the...
  4. G

    supply to house

    hi first post i went to look at a job tonight. the isolator for the house is outside on the garage around 12metres away from cu. the supply needs changed as it is joined onto a 10mm t&e which isnt a pretty joint. the house is a 3 bed bungalow. what size of swa would you recommened to run...
  5. Q

    External power supply to outbuilding

    ​I want to power up my shed that is 30m away, it will have a light inside and two outside, I will have a separate consumer unit fitted and will have 4 sockets. I have 6mm steel armoured cable, can I surface mount it to my fence or does it have to be buried? Please help.
  6. F

    mains supply to flats

    had a customer enquirey to change card meters in some flats each flat is fed with 10mm twin and earth and each flat has its own earth stake on fuse fusebox side of flat,each flat has a 30ma rcd inbetween incoming supply cable and fusebox. however there is no earth stake for the incoming supplies...
  7. G

    Supply to outbuilding

    I have been given the oppurtunity to price a job which is an outbuilding. The building in question will have 8 sockets, a free standing cooker and some lighting. There are two nearby boards, one single phase and one three phase, I was wondering what cable size I would require (im thinking 16mm)...
  8. E

    10 mm supply to flats

    Ive been asked to do a periodic inspection on a couple of properties and when i opened consumer unit covers i found they had both been supplied with what looks like 10mm armoured. I compared cable size to 10mm t ande for the shower and it looked the same size. I opened the isolator swtich next...
  9. J

    Is price for wiring a new supply to cooker about right?

    Hi, just wandering how much I should charge for this work, about 25 metre run of 6.0mm from front to back of terraced house, Crabtree split load existing with bonding in place, space on rcd side of board, using existing trunking run for the most part to get into floor......prob gunna take best...
  10. B

    Supply to a garden hut

    I have an armour cable out to a garden hut and used a RCD 2 way consumer unit. The supply comes from an MCB in the consumer unit into a rcd/spur and out on the armour cable. There are 2 rcds I know. Would you use a fused spur on its own to protect the armour cable (instead of the rcd/spur)...
  11. A

    supply to my garage

    I have run a 2.5mm 3 core armoured cable from my cu in the house connected to a 16 amp cb on the rcd side of the cu. this runs approx 20m to the garage and is connected to 4 double sockets and a fused connection unit to 2 flouresent tubes. The sockets rarely power more than 2 items and Zs is...
  12. H

    Supply to Outdoor Garage

    Right! Armoured cable connected to downstairs ring main running out to garage, hooking up with a garage consumer board then supplies 1 x light and 1 x radial with 1 x double plug socket. The lights are ran of a 6A mcb and the radial is ran of a 20A mcb and protected by an RCD, now my question...
  13. T

    sizing 3 phase supply to/from 50KW solar array

    Hi all, I have been asked to run a 3 phase supply from a nearby service head to a new DB servicing a solar array to be fitted on a riding school roof. This is to take the electricity generated back to the grid. A proper MCS contractor is doing the array. The problem I have is that the array is...
  14. R

    Options for a 32 amp supply to out building

    Hello, are there any helpful sparks out there who will answer a question for me? I want to put a 2 way CU into a garage for lighting and a few 13amp sockets but I also want a 32 amp socket for occasional use of a welder. I'm doing the first fix myself as I have the ceilings down anyway. My...
  15. S

    230 supply to 110 outlet sockets

    I was just wondering out of interest how from a 230 supply you can have 110 outlets sockets. I was in a work shop today and saw these 110 sockets that you can just plug your equipment into and I was wondering how you would wire them. Would you need to wire your 230 supply into a step down...
  16. T

    2 phase supply to a commmnercial installation and potential problems!

    I was called to an installation today following a PIR/ EICR done by a contractor. The contractor had advised the client to have a 3rd phase installed as the existing 2 phases are drawing around 95 amps each on full demand and the contractor has adviseed the client that this poses a danger due to...
  17. E

    supply to garage ........

    Hi all , have a predicament to share , need to get 10mm swa from house 20' to garage , (to supply 5amp electric garage door and 1 internal florescent , ways and means to get back to cu looks like a minefield without tearing the floor and house up . would it be possible to radial off ring final...
  18. R

    Supply to Outbuilding

    whilst i have some ceilings down i want to run a cable approx 12 metres from CU through the house and then a further 12 metres outside to an outbuilding/garage. i want to use normal domestic power tools, lighting and possibly a freezer and treadmill in the outbuilding. Can someone please...
  19. S

    Supply to outbuilding - Protection of SWA and RCD discrimination

    Hi folks, Rural domestic property with 2 outbuildings. TN-C-S with additional earth rod (believe was upgraded to underground TN-C-S feed from old overhead TT feed and rod was left in place). Main house has the only RCD (30mA) in the whole property as the main switch and there is much nuisance...
  20. 7

    any advice appreciated supply to garden shed

    Hello there Just after abit of advice got a supply to run to a garden shed for family friend, he wants x2 lights and x3 sockets its a run of 35 metres. I was thinking of running a 2.5mm 3 core SWA clipped and underground (i have completed volt drop calcs and 2.5 is sufficient) from a non RCD...

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