metal

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  1. HappyHippyDad

    How to fit a junction box to a round metal pole?

    Evening all. I may have to fit a weatherproof junction box to a hollow, round metal pole. The junction box will be around 20-30cm from the ground and 2 x SWA will enter from the bottom (CW20). 1 x rubber flex will leave through the back of the JB into the pole and up to the top where the light...
  2. M

    Plastic Light fitting with metal trim & no CPC

    I have a couple of lights on a circuit that does not have a CPC. The light fittings are plastic but they have a metal trim that screws into the plastic body. I wonder if anyone can advise me if these are deemed as safe considering the main body of the light fitting is plastic and the metal trim...
    • martynguk2010
    • Thread
    • cpc fitting light metal no cpc plastic
    • Replies: 4
    • Forum: DIY Electrical Advice
  3. P

    Small Metal enclosure for door entry power supply

    Hi all, I am hoping someone has already had this problem and can suggest a solution. Last minute decision by client to have an electronic release on a door means we have to mount the power supply (bell systems 340c) on the wall in a public space so it needs to go in a metal enclosure. PSU...
    • Paulgwat
    • Thread
    • door enclosure entry metal power power supply small supply
    • Replies: 2
    • Forum: UK Electrical Forum
  4. bigspark17

    Metal clips/ties for data trades?

    Obviously bs7671 governs us in our electrical trade, and to the 18th we will need to use metal clips in all areas where cables are surface mount. So do data/cctv engineers have to use metal clips ect to prevent from premature collapse and who governs them to do so?
  5. Jason Philip

    Metal conduit straps

    Anyone know if there is a conduit strap available in UK market similar to this one: One Hole EMT Conduit Strap, Steel, 1/2 in. | Garvin Industries - https://www.garvinindustries.com/hanging-and-support/cable-conduit-surface-mount/emt-one-hole-straps/ohs-50 I'm thinking for 20/25mm pvc conduit...
  6. Gary Tollison

    Fused connection unit mounted on metal backbox

    greetings :) I’m taking a spur from a ring final. A fused connection unit will be controlling the spur. FCU will be mounted on a metal backbox flush in a brick wall. I’m planning on using a junction box to break into the RFC, and taking the spur cable to the FCU. My question is, do both cables...
  7. Spoon

    The use of plastic wall plugs for the 18th....

    I was just reading an interesting post about the 18th when the above was mentioned. there seems some debate about this. I initially thought that the idea of prohibiting the use of them was stupid, but I'm not sure now...
  8. E

    Metal clips...............

    Anyone know of any clips that'll meet the expanded scope of new regs concerning clipping cables (not just trunking only clips). Have used D-Line ones just wondering if there were other options people had tried (obviously there are other things you can use other than clips, but my question is...
  9. R

    PME METAL OUTBUILDING

    Scenario encountered: New submain looks to have been taken from a PME supply in 4c 10mm SWA with no copper earth to a external metal feeder pillar. The SWA has been glanded into new metal clad DB within the feeder pillar effectively incorporating it into the PME supply. A Earth has also been...
  10. H

    Earthing the metal framed building

    Hi, I am currently working on a block of flats which the whole building is steel framed, my question is really... does it need to be earthed? Thanks
  11. MFS Electrical

    Metal blanks in AMD 3 boards

    I hate metal blanks there I said it I simply do not see the point the cover should stay closed itself and if there were an internal fire the mcbs would melt and the fire would get no further than the metal lid what about earthing are you supposed to drill and bolt an earth onto the blank? Scrape...
  12. E

    For Sale get your wallets out, shed clearance mcbs, metal clad items etc

    MK stuff (New in package) 2x 13A DP secret key CU with neon, tamper proof key metal clad with boxes 1x 20A DP key operated switch metal clad with backbox 1x 2G 13A socket with backbox 1x Acel 2G socket enclosure ip65 1x Wiska 900x900mm JB white 1x Honeywell 8v 1A transformer 1x Aico Ei208 CO...
    • elsparko
    • Thread
    • clearance get items mcbs metal metal clad out shed
    • Replies: 10
    • Forum: For Sale and Wanted Forum
  13. O

    Switch fuse - metal clad recommendations

    Need to do a switch fuse install and I was wondering which products people prefer ........ Needs to be metal as the sub main is going to be SWA Thanks
    • Octopus
    • Thread
    • fuse metal metal clad recommendations switch
    • Replies: 54
    • Forum: UK Electrical Forum
  14. DeanoRN

    Earthing metal back boxes.

    Hi, i was just after a definitive answer of someone regarding if metal back boxes are to be earthed? Ive had a look around and can't find a definitive answer, i was told by an experienced electrician i was assisting to earth them, then yesterday i was with another gaining some experience and...
  15. K

    earthing a metal junction box?

    my father recently bought a house and it has an ancient consumer unit fitted, next to the unit is a metal junction box which all the cables pass into and they are joined what i assume is the original wiring, all i can assume is that the consumer unit has been moved over and so the wires have...
    • Keith Clement
    • Thread
    • box earthing junction junction box metal
    • Replies: 27
    • Forum: UK Electrical Forum
  16. M

    Glanding 3 phase into metal distribution board.

    Quick question, have a small caravan site to wire up. Have 3 phase supply and TT earthing, 30ma RCD in each individual pods. Was planning on using a 100ma type S incomer in the main DB to protect the sub feeds. ( this should stop a dodgy caravan tripping the whole site being 100ma time...
    • -Matt
    • Thread
    • 3 phase board distribution distribution board metal phase
    • Replies: 38
    • Forum: UK Electrical Forum
  17. B

    ADA Gen 4 system metal casing

    I have replaced the alarm panel. The alarm tests are ok. The walk test is ok. I have changed the Engineers& User codes also set up the zones, times zones, inhibited zones , entry and exit times. The alarm with not activate just keeps beeping. Should there be a wire into Set terminal next to the...
  18. R

    Am2 exam question bonding cable tray/ metal trunking?

    Hi everyone, I am sitting my AM2 exam a week today and was wondering if the metal trunking, cable tray etc needs bonded back to the MET in the board? Will you fail if its not bonded or will it be a minor? Anyone got any ideas? Thanks.
    • RyanF
    • Thread
    • am2 am2 exam bonding cable cable tray exam metal question trunking
    • Replies: 20
    • Forum: UK Electrical Forum
  19. A

    Metal Halide Circuit Issues

    The background: I'm building a rig for an engineering project to age polymers, using UV radiation and water cycles. The power supply, water pump and actuator (use not relevant) are controlled via an Arduino. The rig has worked in the past with Infrared bulbs (for a different project). I'm now...
    • ab6014
    • Thread
    • circuit issues metal
    • Replies: 6
    • Forum: Lighting Forum
  20. E

    Damaged thread on lug of metal back box

    Can anyone suggest a way to fix a damaged screw lug on double socket back box?
    • Electron
    • Thread
    • back box backbox box damaged lug metal thread
    • Replies: 13
    • Forum: The Welcome Forum

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