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method

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  1. Gavin John Hyde

    Whats your method for holes in ceilings

    Been fitting some new lights today in a Georgian townhouse that has been converted to apartments. Finding the unexpected in these old buildings around Bath is nothing new. Took the old light down and the hole in ceiling is 4 inches across at its widest part, good point was I could get my arm up...
  2. Edtwozeronine

    Can anyone point me towards a complete installation method table

    I have one in the OSG and I have the BSI IET (size of a yellow pages) regs book. I found this too: http://www.tisoft.com/en/support/help/electrical/reference/bs7671/tables/table-4a2-schedule-of-installation-methods-of-cables I've chosen A for air tight conduits in the concrete wall of a...
  3. haptism

    Reference method for cable behind kingspan

    Hi, been looking at which reference method would be suitable in this case. The cable drops of a ring circuit to each socket are fixed direct to a concrete block wall (using capping) ; kingspan boards are to be dot&dabbed directly to the wall. Im thinking worst case would be ref method 102...
  4. A

    Reference Method Question

    Hi all, I'm not an electrician, just like to understand things for self learning. I was reading about how reference methods will derate the cable. However, either I have some misinformation or I am not fully understanding. Given the example of twin and earth, inside plastic conduit, buried in...
  5. D

    Method to install 19.6KW oven in single phase property

    As the title says, a customer has bought a 19.6 Kw 3 oven/6 induction hob burner that they have kindly asked me to install for them into their 3 bedroom semi! I'm a bit stuck as to go about this as the amps it pulls is over 80, I know there will be some diversity etc but has anyone any...
  6. Sparky_marky2

    SWA armour supply to outbuilding, what CSA cable? and Reference Method?

    Hi guys, I am running a supply to an outbuilding that requires a 22m run from the Main CU (in the garage) to the CU in the outbuilding, at the Main CU it will be a 40A MCB supplying an 63ma RCD protected sub board which will then supply: 6A type B MCB for 12 downlights and an extractor fan 32A...
  7. Pete999

    Pete's Videos The "Pinch method of stripping twin and earth cable"

  8. J

    Swa bonding, what method.

    Hi all Just need your advice, theirs a discussion going on atm on site between a couple of sparks. We have around 50 apartments being fed by 3core swa from a panel room all glanded into the top of a run of trunking, armour isn't used as cpc. One spark is saying we need to run individual 16mm...
  9. Les Macaulay

    Domestic Lighting Circuit Methods In New Builds

    To my knowledge, there are 3 methods of splitting the line conductor in each lighting circuit: Joint box below floor, or above ceiling Three terminal ceiling rose/batten lampholder Joint in switch box (neutral) I am wondering which method is most commonly used in new houses. I have been in...
  10. P

    Install method 101 or 103 for a ring main

    hi I would like clarification on the following: 101 shows a cable clipped to a ceiling joist and then covered with 100mm of insulation ( from memory). 103 shows a cable fully surrounded by insulation in a stud wall. If I have a cable clipped to a stud in a wall which is insulated with sound...
  11. Dave Jenkins

    Four Ring Circus - an unconventional method of wiring ring finals

    I've been working in a Victorian semi. I was asked by the client to take a look at the wiring for the kitchen ring final - in particular the state of the wiring under the floor boards. What I found was a mass of cables connected into two 30A screw-terminal junction boxes. On closer examination...
  12. S

    What reference method

    Cables clipped to a brick wall with plasterboard dot n dabbed over them what reference method ? And any proof as ref c says clipped direct but nic inspector says that means just clipped to a wall the rest of the methods says insulation ?
  13. haptism

    Ring final install method query

    Hope someone can help. When finding the cabling current capacity for a ring (wired in 2.5), would you use the data for 4mm in either/or table D5 of BYB or table 7.1 (11) in the OSG ? As the ring circuit is in effect 5mm ! Looking at the OSG ref methods; a 2.5 with ref method 101 says 17A...
  14. M

    Cooker wiring dilemma

    A house renovation, including kitchen extension, all plastered out with a 10mm twin+e feed in place for the 7.3kw induction hob. The single oven and the combi microwave should have been spurred from the kitchen ring as each being 2.9kw. Neff have decided to up them to 3.45kw for the oven and...
  15. charlie76

    Stramit - Straw Walls - Installation Reference Method

    Evening all. Working on a bungalow at the minute with the dreaded stramit walls. All my new cables have been surface, galv capped and the builder is dot 'n' dabbing over. There is an existing radial serving sockets in the living room which is not being rewired. For those that are familiar with...
  16. J

    2.5mm ring ref method 100

    Afternoon men (already bored of the football!) for radials circuits that are to be installed as 100,101,102,103-table F6 is your friend! but when it comes to ring circuits wired in 2x 2.5mm on a 32amp it always confused me a little! -I know that 20amps per leg is the magic number- so the...
  17. Leader

    What would be your method? New lighting circuit

    Evening, I am rewiring my house and would like to put spotlights (around 10) in my kitchen. I was thinking loop in at the switch (from previous rose and to rose in next room) and then run the t&e cable (l,n & cpc) from one spot to the next to the next. Is this correct? (Usual caveat- I'm still...
  18. yellowvanman

    Cooker/Hob circuit

    Customer asking for a quote to re-vamp kitchen. Got some high end ovens/hobs: Hob: 7.2kW Oven: 3.7Kw Steam Oven: 2.9Kw Warming Drawer: 0.81Kw She has told me other electricians have said another cable needs to be run for all this. Problem is that the CU is full, is build into a small...
  19. B

    Cheapest Method- Float Switch to GSM SMS alart

    Hello all I'm fairly new to the forum I'm writing a post about cellphone bilge alarms on my website. I want to use a GSM device relay to send a message when my float switch is activated on my boat. All I can find is devices that send SMS messages to open doors etc- I want the opposite. Is...
  20. V

    lighting wiring

    Hello all, When wiring a lighting circuit is it possible to go from the RCD to each switch in the house, then from each switch go to the relevant set of lamps for that particular room?

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