metal

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  1. A

    Code Question - Grounding MC Cable and Metal Junction Boxes - Garage Addition

    Hey, question for the group on grounding when using MC cable and metal boxes.... Situation: Enclosed a carport and turned it into a garage. I'm branching off of an existing bedroom outlet circuit to add 1 outlet and 7 LED light fixtures in the garage area (1 exterior, 6 interior LED puck...
    • Aaron-DIY
    • Thread
    • addition boxes cable code garage ground grounding junction metal question screwfix
    • Replies: 1
    • Forum: UK Electrical Forum
  2. W

    HELP! is my metal ceiling light live?

    Recently bought a none contact voltage tester and decided to use it on a few things around the house but a metal bedroom light is lighting up red and beeping to say the light is live. I have tried it on all of the parts of the light and it lights up everywhere. I am too scared to touch the metal...
    • worried
    • Thread
    • ceiling ceiling light help help! light live metal
    • Replies: 21
    • Forum: Lighting Forum
  3. M

    Why are metal electrical boxes so small (compared to PVC?)

    Hello all. First post. DIYer. Know enough to be dangerous (LOL). It seems "standard" blue PVC boxes here in the US are 2.25" wide and depth can go up to 3" deep. I've got an old house (built in 1955) with old BX armor shielded cable, and the old boxes are extremely difficult to put a dimmer...
  4. S

    Electric heating mat over metal screws?

    Hello, The floor boarding has been stuck down with adhesive and screwed down also with extra metal washers. Someone has now told me it is not a good idea to put an Electrical Heating Mat over it beacuse of the metal screwes and washers. Can I just take them out? Help It will then be screeded...
  5. M

    Am2s pvc and metal conduit

    Hi, can anyone who as taken the am2s give me some advice on what the pvc conduit specification is?
  6. wsoppitt

    enlarge existing hole in metal panelling

    hey guys / girls, Whats the best way to enlarge a round hole in overhead metal panelling ? Unfortunately i cant find a holesaw the correct size , so advice needed. thanks
  7. S

    Main water bond? Stop cock metal but plastic afterwards.

    Is there still a requirement to bond the main water if everything after the stop cock is plastic? Cheers
  8. craigwolf

    How do I install an outlet ( metal junction box with a gfci ) under sink for dishwasher safely?

    I was having a dishwasher delivered from Best Buy but they wouldn't install unless I had a dedicated outlet for the new d/w plug. I looked up code and its supposed to be under sink. I went to Home Depot & Lowes and they told me I can do this myself. So each helper I talked to had a different...
  9. C

    Garo PME unit for metal shed supply

    Metal shed In Garden with no extraneous conductive parts House electrics PME supply Garo make a 40a PME fault detection unit for EVs and I was thinking of exporting the PME via the garo init at the supply end and swapping out the factory 30ma to a 100ma time delay Then use 30ma RCBOs in the...
  10. pirate

    Just interested to know how you all make holes in metal enclosures, CUs etc

    This was prompted by me seeing a couple of videos of cone/step drill being used to make holes in a CU. I use a step bit quite often, especially in plastic enclosures, but in metal ones the drilling action causes noise and considerable vibration. I like to install with as little hammering and...
  11. DaveLea

    No earth in metal light switches

    I recently had a look behind my light switches for the first time and have found that all of them have no earth. This includes some metal switches that were there when we moved in. We've had a couple changed to metal previously and it looks like the electricians have put in a metal back box and...
  12. Shaun-

    Metal Supply Cupboard Used As MET

    Hi, first time poster, long time lurker. Guess I'll have to start getting involved... Just looking for some advice really on something I haven't come across before (I don't usually work on farms). So I'm working on an installation that is TN-C-S (PME too) and I'm putting in a new TT sub-main...
  13. jonperry64

    Are metal clad sockets more heat resistant than plastic ones?

    As per title really. I need to install a storage heater which is quite close to a 13amp socket. The socket would be about 5cm from very bottom of heater. I don't think much heat is emitted from that part of the heater, but as a precaution, would there be any advantage in changing the socket to a...
  14. R

    Using metal staples on earth cable

    Can you use metal staples to secure an earth bond cable to skirting
  15. B

    Adding liquidtight to rigid metal conduit

    Hello I have an existing run of rigid metal conduit outside of my house that feeds several outdoor receptacles. There is no separate ground wire inside the rigid metal conduit. Is there a way that I can use liquid tight to run to a new extension receptacle? What I am particularly concerned about...
  16. C

    Gas bond, plastic pipe but metal into properly

    Hi Guys, I'm looking for some opinions, I've got a customer with a gas meter in an in ground box (see picture). The pipe to the meter is plastic as the meter was moved a few years ago but its metal where it enters the house from the outgoing side of the meter. Would you bond this? The customer...
  17. newfutile

    Metal steps secured to concrete (bonding)

    We have had 2 metal steps installed to cover main supply cables (out to flats) from a Ryefield . when measured IR from MET to steps i got 0.091 MegOhms. The usual calculations are for when a 30 ma RCD is protecting (which is not the case here) 91 Kohm is above the usual value of 23 Kohm I...
  18. J

    Metal panel locks on plastic enclosures

    what’s your guy’s opinions on metal panel locks on fibreglass/plastic enclosures. The reason for asking is I’ve seen a few of these enclosures fitted with metal locks and I know the likely hood of the lock being made live it extremely low but would you still class the locks as exposed conductive...
  19. Mark42

    Metal saddles inside trunking when only 400mm off a concrete floor?

    I'm a bit out of touch re 18th edition. Is it really necessary to fit loads of additional metal saddles inside trunking when it's only 400mm above the concrete ground floor of a sports hall? All the stuff about premature collapse makes sense, but where, in this case, if the cable going to...
  20. W

    change plastic light switches to metal ones

    hi guys probably been asked a thousand times before but i wanna change plastic light switches on wall to metal ones but there are only 2 red wires inside metal back box with no earth wires so do i need to stick with plastic switches?
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