metal

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  1. Pete999

    1st fix metal back box fixing, how do you do it?

    Like the title says, I think it may have been posted before many moons ago. 1st fixing bac, boxes I used to bed all my boxes in with bricklayers compo ( the stuff they lay bricks with) wait until it sets, if you have time, and then drill and fix with rawlplugs and screws, how or what method is...
  2. R

    25mm Knockout Metal Clad Boxes.

    I’m looking for some metal clad sockets. But I need 25mm knockouts. Does anyone know any surface mounted metal clad sockets that have them? MK do some nice ones but they are only 20mm knockouts.
  3. D

    Why? Is metal conduit so thick

    I have been given a short length of Emt tube from America , which is basically their ‘go to’ produce for surface wiring. It is thinner than our version and much easier to bend than our version. I would say it’s not much thicker than copper plumbers pipe. But imo offers good mechanical strength...
  4. I

    WATER CHEMICAL FOR METAL AND STAINLESS PIPE

    We have some CHILLER SYSTEM event start for first time use water 700 TDS and than stoped for few month leter, we worry at the isntalation piping and chiller tube will be rust and cholride in stainless the tube, so, how to we keeping for and chemical should be used for that. thanks
  5. S

    Fixing light fitting to metal cladding

    Hi guys Got a job to replace some external lights to an industrial unit.(mostly 150w LED floodlights around 12kg) All lights are currently fixed via nut and bolt with no access from inside as they have now converted to offices so unable utilise existing fixings. What do you guys recommend using...
  6. I

    Refused to install metal light fitting

    Today I had a quick job on the way home which was swap a pendant for. Fancy light fitting , but when I removed the pendant there was a pre 1966 2core twin cable And a separate 2.5 single earth cable fairly new , it looks like someone has gone around every light with the earth from the board to...
  7. H

    Please don’t shoot me. Static caravan and a metal shed.

    Ok. Static caravan....... The site supply arrangement is apparently TNS and the static caravan uses this for its earth. (I will check with the DNO that it is aTNS arrangement.) There are three MCBs in the static caravan CU, one of which directly supplies to a solitary double socket inside a...
  8. C

    Arc damage metal socket front

    over the years I see this on a few occasions in kitchen where an arc strike is on the front face place in kitchens. Is there some strange science behind why this may be?
  9. cliffed

    External open metal shed

    Metal shed used for storage,it’s got no doors,like a porch effort. Swa enters the back of the shed,clipped to a commando socket,& used to supply equipment,does the shed require main,supplementary or no bonding.
  10. D

    A metal tie wrap and some metal bandy won’t even fix this problem

    'New-build homes not fire safe' - https://www.bbc.co.uk/news/business-48113301
  11. HappyHippyDad

    16mm metal back box.....6p each!

    Hello all.. Just wanted to let you know about a bargain! I wouldn't usually buy from e-bay, but you cant really go wrong with a metal back box. 100 Flush Single Metal Back Boxes 16mm 25mm 35mm 47mm 1 Gang Electrical Pattress -...
  12. rolyberkin

    Metal Cut out - Fuse Type

    Hi can anyone advise what type fuse was commonly fitted in an old style metal cut out, the head is being changed imminently by the DNO but I would like to know what is in there? Thanks
  13. C

    Plastic conduit into metal cu

    Hi this is my first post here. I’m a newly qualified spark mainly working in domestic houses, I got a job coming up where I’m planning to install pvc conduit for some sockets in garage attached to a house. Would installing pvc conduit affect the fire rating of a consumer unit or would I just...
  14. M

    Do I Connect Clean Earth On Metal Switched Socket

    I’m replacing old plastic light switches and sockets for metal ones. I’ve gone with BG Nexus range but I’m a little confused as to whether or not I need to connect a wire to the clean earth connection. Looking at the wiring diagram it is not used. I know I need to run a fly lead from the switch...
  15. D

    BG Dual RCD metal DB's

    Anyone had issues with the RCD's? Added a spur from a new DB yesterday (not installed by me). The RCD failed the 5x test when tested at the load terminals with all mcb's off. Perplexed I tried the other RCD with the same result. MFT tested the RCD on another job later with results as expected.
  16. C

    Kopex inside metal trunking

    Hi all, New to the forum, question regarding Band 1 and Band 2 segregation... So on a site I'm working on, installing access control system. Now the access control panels have designated metal trunking for all relevant cables being low voltage. The trunking is directly above the panels. The...
  17. Y

    Bonding earth to metal furring behind plasterboard.

    Should I bond all metal furring behind plasterboard to earth busbar
  18. andysparkfree

    Metal all the way, no brainer

    Hi all, just thought i'dd share the picture of the live distribution board we came across this afternoon following a callout not only was this live when we got there (seems that the fire brigade removed the wrong fuse from the ryefield board) but is a shocking example why every old...
  19. haptism

    Where are you getting your metal buckle clips

    Wheres the best value for £ metal buckle clips to be found in 2019, ive seen the SAREN ones but they are well pricey, and you need to buy the nails for them separately. The Shneider metal clips from screwfix £12 per 100 wtf. Where are the compliant housebashers getting clips for T&E nowdays ??
  20. T

    Class 2 metal fitting

    Bought 2 metal wall lights arrived today and just opened them. They are completely metal in construction states on the fitting they are class 2 and have no earth connection. The cables leaving the chocbox inside to the lampholder are single cores. How can this be class 2?

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