back box

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  1. J

    UK Hi All. 1 gang & 2 gang 35mm back box

    Has anyone used or fitted this type of back box ? It is a 1G & 2G
  2. B

    How do I attach switch back box in lathe and plaster wall

    I'm installing smart modules in my light switches which means I need to replace the existing 25mm back boxes with 47mm ones. Downstairs all walls are brick and plaster so I've managed to deepen the back boxes with an SDS drill. I was expecting the same upstairs but some of the walls are lathe...
  3. littlespark

    Back box spacers or links

    I know I’ve seen them before…. But I can’t think of a name. I’m needing a line of metal back boxes in a kitchen… 2 lots of 2x 2 gang and a 1 gang. I just want them to look evenly spaced. I could do it with a couple of brass bushes and a steel conduit coupling, but I’m sure I’ve seen a plastic...
  4. T

    Why are single gang boxes still made with 4 fixing lugs?

    Hi all, I am an experienced DIY electrician and I just wanted to ask a quick question about something since I am new to this forum, if it hasn’t really been answered anywhere else. The question I have in mind is how come most electrical manufacturers still make single gang (25, 35mm etc) back...
  5. JimLongDone

    EICR - Shallow Back Box Depth a Fault?

    Hello, My house has 25mm back boxes throughout, but I’ve noticed the previous owner has installed sockets and switches that seem to suggest/specify 35mm minimum. The sockets and switches do still fit flush on the wall, just that it is incredibly tight behind so the wiring has been routed...
  6. laurence1995

    Can you fit 25mm conduit to a 20mm back box?

    Hello, Im really new to the world of conduit. I have some 25mm pvc conduit and cant for the life of me seem to fit back boxes with 25mm knockouts. Is there an adapter that fits a 25mm conduit in to a 20mm back box? Can i cut a 25mm hole in the back box? Do the 20mm male adapters allow for 25mm...
  7. L

    How to fit a metallic back box on a stud wall?

    Hey everyone, I'm trying to understand how to fit a metallic back box on a stud wall. Should it be fixed to a stud (on one of the sides) or is it expected to be fixed to a noggin? In either case, how would I know exactly where a noggin or a stud is, so that the hole I cut on the plasterboard...
  8. D

    No back box ... Just straight into the wall behind

    Anyone seen this before
  9. M

    Back Box In Hollow Wall Installation

    Hi Guys, I've completed rewires with hollow walls before and was able to use a dry line Box. No chance of being able to use them this time. I've never seen walls like this though. Just wondering how people have installed back boxes in this circumstance? I've attached a pic I'm assuming...
  10. O

    Cord Grip for a surface mount pattress / back box?

    I know this is a bit of an odd one, so bear with me, I have an idea in mind, but many of the power strips I see are either a) crap b) stupidly expensive, c) lack mounting holes or d) all of the above. So given I have a fair number of 3 gang sockets and back boxes (bought for a job cancelled at...
  11. LewisM

    PVC Back Box w/ Multiple Knockouts

    Hi does anybody know of single / double PVC back boxes that have multiple 20mm knockouts like metal clad? Or are plain with no knockouts ? The ones with one 20mm and trunking knockouts don't really work as when cutting the 20mm hole the trunking entry normally splits even when bracing it.
  12. R

    Extend T&E Ring in Back Box

    I’ve bought some new sockets but due to the terminals being the other way round when compared to the original socket. I’m looking for a way to extend the line as it’s just too short. Absolutely no slack on the cables. I’m quite amazed really as I’ve 10 to swap, some were okay, and the last one...
  13. J

    25mm back box - Schneider Ultimate Slim Range

    I got into a discussion with a friend - he came around to see what I had fitted. I fitted a mix of sockets - BG and MK (different up and downstairs) - he wants to replace his existing sockets with Schneider Ultimate Slim White Range - I think he has standard 25mm boxes. I said he couldn't use...
  14. N

    Combined back box

    Anyone know of a 2gang and 2x1gang combined metal boxes ??
  15. R

    Best way to extend a single back box into double on already tiled wall?

    Customer wants 1 single socket outlet turned into double point on his kitchen wall which is tiled already with single box hole cut out Is it best to measure out the space required to fix double back box , drill multiple holes around the edges and go round it with angle grinder diamond disc...
  16. R

    Cable ran through wall back box but back box needs upgrading?

    I had a job today and i’m back at it again tomorrow. The customer wants a new chrome fitted USB socket installed in his kitchen, but the current metal back box is 25mm. I need to upgrade this back box to 35mm, came across this a million times, no problems at all. With this one though there...
  17. M

    Converting 3 gang to dimmable without chasing for bigger back box

    Hi all. Just seeing if anyone found manufacturer or a solution to avoid chasing out for bigger back box if converting lights to dimmable or just converting one switch to dimmable as all types found require bigger back box. Have looked into grid switch systems but these still seem to require a...
  18. D

    Kitchen island socket back box

    Hi All, Having a new kitchen and the Mrs wants a socket on the back end of the island, does anyone have any back box suggestions? The socket will back onto a cupboard so I want to avoid a drywall back box due to it not being very sturdy. I would appreciate your suggestions. Thanks Dunk
  19. F

    Spur from socket to a FCU

    Hi. First post! I have a socket on a ring which currently is occupied by a plug which operates my boiler. I would like to use this socket for something else. My idea is to spur off this (I've checked this isn't already a spur) to a 13amp FCU which my boiler would be wired into (no need for...
  20. J

    Back box

    What's the best method to use when pushing out the back of this back box? Would I need to use a gromit?

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