drilling

drilling

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  1. T

    Drilling through domestic joist

    Hello, I need to run a mains spur off the existing ring main in a domestic property. To get the double socket to the correct place I have to drill through several joists. I understand that there are building regs on this. Can some provide a link to the regs or info that clarifies what I need to...
  2. P

    BS7671/ drilling joists.

    Hi all, my name is Pete and I’m new to this site. Could anyone clarify the following question for me please. Does BS7671 cover rules on acceptable locations to drill holes in joists in commercial properties. If so could anyone state the page number where I could find this. I’ve been working...
  3. A

    which drilling bits for stainless steel?

    I will start my own workshop and therefore trying to know about all the tools i need for an ideal working environment. In my little journey this is what I’ve understood “Right tools for the right materials can help solving a lot of problems” I am looking for special bits for effectively...
  4. A

    I need a drill for driving ground rods

    I'm absolutely tired of renting here. I need a drill for driving ground rods and soil is moderately hard one I wanted to know how big/heavy drill I need for ground rods. 10-13 amps, and around 12-15 lbs. Will that be enough? i know demo hammers are usually a bit higher than that Have done...
  5. P

    Drilling prefab concrete

    I have been asked about putting in a couple of network cables that need to go through the internal walls of a building. It appears to be constructed of large prefab concrete slabs, I guess they might have rebar in them but no one knows for sure. I have reasonable access to both sides once the...
  6. T

    Help with Surface Mount Patress Box Drilling for Conduit.

    Hey everyone, how's it going? I built myself a practice wall in my garage so that I can get more training in at the weekends from stuff I do in tech and on site. The difficultly is drilling holes in the boxes and getting them centered and uniform. Here is a link showing the drawing I've been...
  7. dokkan1080

    Drilling holes?

    Can these be drilled? The diagonal beams going up to the roof that is?
  8. P

    Drilling joists vertically

    I don’t know if you would be able to help me. I want to drill 2 x 25mm and a 20mm hole through these joists to get into the loft. Is drilling vertically through joists allowed? It’s a bungalow so there’s only the loft above but the only info I can find is about drilling horizontally rather...
  9. J

    Drilling downlights in horse hair plaster

    Just wondering if anyone has any experience in putting downlights in a 70 year old plaster ceiling?
  10. M

    UK Avoiding wires when drilling

    Looking a bit of advice please, in case it’s something simple. I would like to drill a hole through an internal wall (about 10 inches thick) to feed the broadband cable from my hallway into another room, so the hub can sit there. My concern is drilling into an electrical wire, and I’m wondering...
  11. T

    Notching timbers instead of drilling....

    Good morning all Is there any reg to say about drilling cables into joists instead of notching? I have been an electrician for 12 years now and have always drilled out timbers, we are starting a HUGGGGGGGGGGE rewire with long runs. It would save a lot of time i think to notch the top of the...
  12. A

    Drilling down lights

    Has anyone got any tips for drilling multiple holes, 32 90mm holes to be exact. In fridge panel, insulated panel, cool panel roof sheets? I have just done 3 house’s with 32 Downlights each and drilled top and bottom, but was hoping for an easier way?
  13. Amit Saxena

    Is there a way to move around a drilled hole in ceiling without drilling another one

    Hello everyone! Is there a way to move a drilled hole in ceiling slightly to the right without drilling another hole. I need to suspend a light ceiling lamp and want to avoid drilling another hole if possible. I am imagining something like this: So effectively I am looking for a flat...
  14. N

    Corner lights and drilling

    Hi all Just looking at installing some external corner lights. Wondering what the situation is with drilling the corner where the two walls meet for the cable entry? Will the corner not just break off when drilling? Also, once in the cavity behind the external brick, does the cable need to be...
  15. J

    Advice after drilling through electrical cable above plug socket

    Hi all, I have stupidly drilled through the same electrical cable TWICE 1 inch apart. This is above a twin plug socket which obviously now doesn’t work. The holes are about 1m above the socket. As a temporary measure I was going to connect the wires individually with Wago connectors but the 2...
  16. R

    Safety advice- caught a wire drilling?

    Hi all, I drilled a hole to fit a new cooker hood and had no shock etc when drilling. When I was cleaning the hole out to put the rawl plug in I got a small tingle (no smoke, spark, bang etc). Is it possible I've nicked a wire or just come close to one? I used a metal/ voltage finder and...
  17. M

    Drilling holes through concrete slabs

    Hi All I have a domestic two storey house to wire with hollow concrete slabs on the first floor and I was considering drilling all the sockets etc down through the slabs to save the wall tracking. Does anyone know if this is permitted with building regs? Thanks
  18. R

    Is drilling rafters OK?

    Hi guys, Had some work done on the weekend from an electrician on a 200 yr old cottage we are renovating. Noticed that one bit of work he has chased/wired up from under the floor, added some sockets and then continue up and round a window - drilling through 8 rafters in the process. He then...
  19. Pat H

    Drilling joists

    Doing a loft conversion and wondering about joist drilling. OSG states to drill in the middle of the joist 0.25 to 0.4 of joist length. I have 6" joists but the bottom 4" will be filled with 100mm celotex so If I drill at half way my cabling will be in the way of the insulation. It makes more...
  20. J

    loft wirng on rewire

    evening guys for you guys that regularly do rewires.... when you do the upstairs lighting wiring in the loft do you just use the existing holes in joists- and add a few extra 16mm holes if really needed who clips? who doesn't? to side of joist if insulation is on top and is also getting...

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