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  1. D

    Routing cable through flat roof

    Hi all, I'm just trying to route some cable accross a kitchen which has a flat roof. I've had a look at the ceiling void and could pass a cable over the top of all the joists / rafters (there's quite a good gap between the top of the joist and the insulation) but would that contravene the...
  2. P

    My flat is an electrical lemon! HELP!!!

    Guys, The 2 bed flat I recently moved into is all electric. It has a Hyco Instaneous water heater (rated 12.8kW - 53A at 230v), a Shower (rated 10.5kW - 45A), Heatrae Amptec electric central heating (rated 9kW - 39A) an electric hob (rated 6kW - 25A) and double oven (rated 5.5kW - 23A) in...
  3. E

    Granny Flat

    I was asked to do some work on a shop etc. What the lad wants is a new board and a sub mtr in extenstion he built. He has a 3 phase supply to his shop and he wants me to take a feed from this to the new board ect. What he has done is pull x2 twin and earths 6mm cables from his 3 phase...
  4. S

    Flat roof mounting

    Hi, Does anyone know how to calculate ballast requirements for the schueco flat roof mounting systems PV light 10, 20 or 30 angles. I have used the Schueco wind load software tool and it gives a value of 0.744Kn/M^2 so how do you turn this into Kg? I also used the BRE guide for the same...
  5. Jimmy Boy

    Split flat board change

    I have just changed a CU as an example piece for Part P reg. RCBO on each circuit except bell as in surface trunking. I have some concerns. 1) Gas bonding.. this is other side of wall to supply and is NOT accessible anywhere else in building up to boiler. So bonded in boundary box ? OK ...
  6. A

    Can Two Dwellings (Upstairs+Downstairs flat) Share PME Main Earth?

    Just been to a subdivided house - now up+downstairs flats. There are two earth rods which go to a single earth block under the floor, then leave the block as two earths up to the C/Us. (Effectively each flat is connected to the two spikes). There is a single mains head with 100A BS1361 fuse...
  7. M

    Flat plate accessories

    Has anyone had the problem of flat plate accessories not fitting side by side on a dual accessory patress? these were volex and the boxes were recessed behind tiles but the screw holes were all lined up and they overlapped by about 5mm, ended up having to use normal ones that fitted fine
  8. K

    Self-contained flat in a house

    Hi, I have been asked to advice on supply and wiring arrangements for creating a self-contained flat in a house (using one storey of the house as the self-contained flat). I haven't contacted the Distribution Network Operator yet, just wanted a heads up first. What is the normal...
  9. R

    Flat above shop, CU in shop PIR

    Had a look at a possible PIR on a flat above a shop.... unfortunately the CU and meter etc for the flat is in a shop, and when the shop is closed at night, there is no way to get to the CU from the flat, and no way to isolate the installation. What would this be on a PIR? I'm thinking it's a...
  10. D

    Swa flat cable help

    Hi wondering if someone can help, I left my BRB in my office and stuck on job trying to work out a few things. I need the CCC of 16mm flat SWA 2 core cable, armoured is takin earth from meter cupboard to flat on 2nd floor. roughly a 15m run as its already a exisiting installation, it...
  11. M

    Tails for flat

    Got to replace a CU in a flat this week, question is do I need to upgrade the tails? TNC-S, supply runs from meter in common cupboard on GF, into 60a fused isolator, then from there in 16mm T&E. I am going to upgrade the main earth and bonding to services to 16mm and 10mm respectively but...
  12. sythai

    Volex flat plate....

    Anyone fitted this stuff before.... Screwfix.com?:mad::mad::mad: Right pain in the ...... !! customer brought it themselves, nice and cheap. Once screwed back it fits so tight in the knock out box that you dont actually get any play to do that final tweek to get it level.. right nightmare if...
  13. G

    one large house to a three flat conversion, what about the supply?

    A large house needs to be converted into three flats, does EDF need to come install new supplies for each flat. If that is the case how long does the procedure take and any idea of cost? Or is there some other way of doing it?
  14. T

    Flat Lighting Issues

    Hello folks, I'm an electrician in training and this is my first post in the this forum so take it easy if I mess anything up. I've had a lot of trouble with the lighting in my flat with dimmer switches controlling GU10 Hallogen bulbs, with the main problem that each module is being...
  15. E

    Mains Riser to a top flat ?

    Hi Guys Just looking for some advice on how to run a mains riser? Its a Victorian Terraced House and the top of the house is the 3rd floor as it is to be renivated into a flat. The Meter and fuse boards for the other floors are in the ground floor kitchen. I plan to run a mains riser...
  16. K

    off peak supplies to flat conversion

    Hi Guys, first time post but always been interested viewer. Trying to understand how to provide off peak supply to flat conversions without sending a 4 core Submain . got a good understanding (so far - been 20 years since last carried out) that you can wire through a signal wire at origin and...
  17. M

    new cu chhoice for mall 1 bed flat

    Hi I am intending in installing a non split board for this. I cannot see point of having dual rcd in such a small installation. Anyone disagree? Martin
  18. W

    CU in a Flat in an Enclosure

    Hello Chaps, From a previous post a few week ago I have some pictures at last. This is the CU in a ground floor flat (1984), the customer wants new bathroom lights, sockets in Kitchen, new shower. The problem is replacing this old Crabtree board is not easy, there is no room in the metal...
  19. G

    Council flat rewire with concrete ceiling and floors???

    I have a customer who wants a full rewire of his newly purchased ex-council flat. The problem is the ceiling and floor are solid concrete. The only thing I could think of is to put in false ceilings in throughout. Any other suggestions?
  20. G

    Drilling Flat Roof Joists

    Are we allowed to do this ? If yes is it the same hole size/distances as floor joists ? I normally use the safe zones, but this isn't possible as its like an all glass byfold door type extension. I'm thinking I can as surely floor joists have just as much weight on them, thought I'd see what...

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