metal back box no earth I've tried to find a solution on here to this exact scenario but had no such luck. Could somebody please advise on where I should place the earth wire on a plastic back box with no earth terminal when adding a new metal face plate?
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0 · wiring back box with earth
1 · metal light switches no earth
2 · earthing metal back boxes
3 · earth tag for metal back box
4 · connecting metal back box to earth
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Do you need to connect the earth tag to a metal back box?Sometimes you see electrical back boxes with a link to the earth terminal of a wiring accessory. Whe. IET states that earthing to back box is not compulsory but it a good code of practice, if you look on the back of the socket the earth is usually connected to the front plate screws. . No requirement to earth the back box provided there is one metal fixed lug on the box. You earth the accessory and the fixing screw picks up the death from the fixed lug. There doesn't appear to be a back box at all, although the fixing screws are threaded, rather than being wood screws. You say "an electrician has put in a metal back box and then run an earth to that " for another switch.
Particularly as you’re installing metal plate sockets you should earth the back box. If you have a loose connection which energises the backbox the screws holding the socket on would .
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I've tried to find a solution on here to this exact scenario but had no such luck. Could somebody please advise on where I should place the earth wire on a plastic back box with no earth terminal when adding a new metal face plate? I have seen a few metal back boxes that have no earth terminal lug. Do the regs state the metal back box must have an earth wire to it? The earth on the socket/FCU is .
wiring back box with earth
As there is usually no earth terminal on a light switch, the earth wire(s) should be connected to the earth terminal on the metal back box. If you have any queries relating to the electrical . I completed an EICR today and there was no earth at the light switches with metal face plates. Would I be correct to fail this and request Further Investigation. There is a .
There is no requirement to provide a fly lead to earth a metal back box as long as there is one fixed lug. (many think that it is "good practice" so to do although I'm not entirely .For metal back boxes which are fully recessed and covered by the faceplate: Sockets, fused spurs, etc The earth wire(s) should be connected to the earth terminal on the socket. Light switches As there is usually no earth terminal on a light switch, the earth wire(s) should be connected to the earth terminal on the metal back box. There is no requirement to provide a fly lead to earth a metal back box as long as there is one fixed lug. (many think that it is "good practice" so to do although I'm not entirely sure what that means). However, a plastic light switch does not have an earth terminal on it so the cpc's are terminated in the back box. So, if you're changing to a .
Daftly enough, metal back-boxes DO have to have an earth to the socket earth. This is discussed in one of the IEE Guidance Notes where it was argued that the only exposed metalwork would be the screwheads once the socket front was fastened back. Arguement fell on deaf ears though, so YES you do have to earth up all metal backboxes. . How to as electrician Matt adds a fly lead from the earth terminal in the back of a metal flush switch box to the earth terminal of a metal light switch (exp. We've had a couple changed to metal previously and it looks like the electricians have put in a metal back box and then run an earth to that (and no further). Am I going to need a full rewire if I want to swap out all of the switches to metal (which was my intent in the first place)? DPG-Esteemed. Arms. Patron. Joined Dec 9, 2008 No earth on a metal back box would be; C2 if there is a metal light switch (the cpc should be sleeved and terminate to the accessory), also if the cover screws could be touched as the box would become live in the vent of a fault on the light switch
Find Light Switch Back Boxes with no earth terminal Advice and Help. How-to Light Switch Back Boxes with no earth terminal in the UK Electrical Forum advice boards on ElectriciansForums.net | Free Electrical Advice - Electricians Forums: Electricians' Talk Forums. Light Switch Back Boxes.
No specific need to earth the boxes unless they're being used as part of the earthing system, eg, metal conduit, swa etc. If the accessory has an earth terminal use that, otherwise put the earth conductors into a piece of connector block. If using metal accessories the back box will be sufficiently earthed by the accessory fixing screws.
There is no regulation requiring a metal back box with 1 fixed lug to be bonded to the cpc in the ring final or lighting circuit (as per Limestone Cowboy), however it is considered good practice to connect the back box to the cpc with a sheathed wire (as per Mr H). The only time it must be bonded is with metal faced sockets and switches. Metal back box has no earthing and no screws in the back. . So, should I earth the metal back box from the lug to the 2G plasic socket or leave it, my only issue is the space I have inside. Everything is tightly packed and the wangos take up . The pendants I opened up did not have an earth, only live a neutral coming from above the ceiling. The metal light fittings did not show continuity using the wander lead between the consumer unit. I have sent the report back with C2 and will propose to change all metal switches/fixtures to plastic. Thanks guys!! If your socket box has two fixed lugs, you won’t need any earth tail. When you attach the front plate of the box with metal screws, it will automatically earth the socket box. There’s a metal strip at the socket’s back connecting the earth terminal with the fixing holes, and the metal back box fixed lug through the 3.5mm metal screw.
The two earths from the cables should come into the light switch, then a strand of earth cable goes from the light switch into the back box. Someone please correct me if I’m wrong. If so, you just need to put the earth that’s currently in the back box to the switch, and then a piece of cable from the switch to the back box.
metal light switches no earth
Hey there, bit of an electrical novice. But recently I installed a metal 1way light switch in place of my old plastic light switch. I wired everything correctly using the COM and L1 Slots, but I did not wire the earth into my faceplate since it was already mounted to the metal back box which I assumed was adequate earthing.
For discussions sake lets assume the back box is metal and has 1 fixed lug. . Other way around, the back box wouldnt be earthed if faceplate removed , because what nutter would take the incoming earth to the back box then a fly lead to the faceplate ? Best practice would be earth to faceplate (as always ) and if a metal accessory then a . It looks like that particular K/O box has nylon lugs, so it doens't *have* to be earthed, however as you have an earth bext to connect it. I usually drill and tap a hole in the back of the box (taped to M4 works well), crimp an . Hello - I've removed a 2 gang 1 way plastic light switch and I'm replacing it with a 1 gang brushed chrome light switch. When removing the old plastic light switch, the earth wire was attached to a special earth "hole" in the metal back box. Following the instructions in the new brushed chrome.
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Being metal in my mind it should be grounded and there is an earth fitting on the back of the new switch. The issue I have is that the original switch only has two wires (live and neutral). The cable is run through a conduit in the wall and I .
Most have metal back boxes and I can easily earth the switches. The light switches in the loft conversion have plastic back boxes. One of these is a two way gang switch which had a sleeved earth 'hanging' about when I removed the switch so I attached this directly to the earth terminal on the chrome switch. Hi All, I had an electrician around last week to do a few jobs, including extending an existing ring into a conservatory. Customer service was pretty low and although had all the badges, there were a few statements which made me a little concerned (e.g. you can't get 10 amp fuses for a spur that needed one).
It starts that section by saying: "A metal back box of a surface-mounted accessory is an exposed-conductive-part [no argument there!], and a metal back box for a flush-mounted accessory is deemed to be an exposed-conductive-part. Back boxes, like all exposed-conductive-parts, are required to be earthed." If you have a metal back box you can also earth the back box for good measure by taking a 'fly' from the earth terminal on the socket to the earth lug on the back box but obviously, if you have a fast fix plasterboard box then this isn't necessary. Does this help? Reply to Cirrus. OP . .
" The others I want to address. 2. I've addressed by the actions I describe in the other post (nylon screws, plastic pattress boxes). 3. I suspect is down to lack of earth tail inside the box, but the screws are earthed so the back box is earthed. Hence this post. 4. I'm not worried about - the two are bonded under the floorboards near the CU. From his post I and others assumed that he was looking for the best way to earth a metal back box ,that didn,t have an earth tag . . (even though it may not be able to be touched). Therefore, such back boxes, no less than every other exposed-conductive-part, are required to be earthed in accordance with Regulations 413-02-06 (TN systems) and . I scanned this in from Guidance Note 1 EARTHING OF FLUSH METAL ACCESSORY BOXES It has been questioned whether flush metal accessory boxes come within the definition of 'exposedconductive-parts', which require to .Regarding the earth, it’s good practice to earth the metal back box, once upon a time NICEIC would have pulled up an electrician for not doing so during an inspection / audit, whether you loop the earth via the back box or the face plate doesn’t matter. . Run an earth to the back box if you wish for good measure, if not it’s unlikely .
It's a good idea to earth the back box and the faceplate. I hate the idea of not earthing faceplates directly, and relying on the fixed metal lug of an earthed back box. Absolutely hate it. If someone was to loosen the faceplate whilst decorating, as people do, the faceplate won't be earthed.
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metal back box no earth|earth tag for metal back box