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  1. Commercial Electrical Forum
    Hey yall When you craft a cantruss rack assembly for pipe or tray, do you often use a lock washer? I learnt as a first year to always scure the threaded rod to the beam clamp with a nut AND lock washer; and also to secure rock couplings with a nut and lock on either side. At my new spot they...
  2. Canadian Electrical Forum
    Client has purchased 8 x 100watt 12Vdc solar panels and wants to hook them up to supply a battery rack which will supply an inverter to a small load centre for a couple receptacles. He wants to mount the roof junction box to his chimney stack and send conduit down the chimney to supply the...
  3. General Electrical Discussion
    I am modeling conduits in matric template. I need standard conduit spacing chart for matric format. Please share. ref doc for conduit spacing in imperial
  4. NEC Code Forum
    Hello , I’m currently roughing in and installing the feeders for a new 800 sq ft building that was built inside an existing 4000 sq ft warehouse ( yes, a building inside a building ) I am using EMT supported by all thread and Unistrut trapeze for the feeders to the new building...does the...
  5. General Electrical Discussion
    I just checked the 2020 NEC and it only mentions runs of 6ft and nothing on a 3' rule or smaller could anyone refrence an article , by the way the area of installation is class 1 division 2 , a master electrician came in and checked the 3' runs as not being code complaint he said they have to be...
  6. Canadian Electrical Forum
    Hi Everybody! I’d like to run three 6 AWG TWN75 wires (two hot, one neutral) plus a fourth 8 AWG insulated ground wire out from my panel, in rigid PVC conduit, suspended about 1m above grade along an exterior wall (hidden from view just behind the clapboard that ends at that height), then down...
  7. Residential Electrical Forum
    I'm accustomed to pulling cable in conduit, but I have a home with a 1" underground conduit that has two 14/2 UF cables running through it from the home to a detached garage. The run is roughly 25-30 feet. The customer needs an EV car charger installed, so the plan was to remove the two cables...
  8. General Electrical Discussion
    Hello, 1st post here. I did search first, but couldn't find an answer. Client has a house wired by others about 7 years ago. Garage sits about 30 feet higher in elevation. Water has now started to push up from the garage to house conduit. I know the best solution would be to jack hammer the...
  9. General Electrical Discussion
    This is probably a dumb question but here I am. I’m wiring up an in ground pool. I have a question regarding the pool light conduit. With the amount of bends in the pvc the pool contractor put in the forming shell, I will exceed the 360 degree pipe rule by piping to the light jbox. Is there...
  10. Residential Electrical Forum
    Hi There: Happy Memorial Day to all. First post, about a post! Going to ditch witch trench 36 inches to accommodate 2.5" conduit, seventy feet, box at street to side of house. Two elbows/sweeps maximum. That puts it at footer, which stick out about a foot past outside wall. Panel mounted...
  11. NEC Code Forum
    I working in a commercial building in NYC bad we have a generator (Kohler) with multiple ATS switches in different locations throughout the building. My question is can I run the genset control wires in the same conduit as the Ethernet ( Ethernet is for the ats which goes back to the generator...
  12. Services and Service Equipment
    I am working on a service upgrade in Southern California in an area that was electrified in the 1920's w. underground conduit. We dug a nice trench down to an old 2" galvanized conduit to our new pad. When the time came to cut the old conduit we had exposed, to couple on our new conduit, the...
  13. General Electrical Discussion
    Hey everyone, New to the forum, but not to DIY. Pretty handy with most things (cars, general carpentry, DIY around the house, etc), but not afraid to ask for help when I need it and for this project wanted to consult some of the experts so I get it right the first time since it'll be a pain to...
  14. New Member Introductions
    Hello people! First of all, I am not an electrician. Having learned what (relative) little I know about electricity to apply it to a do it yourself off-grid solar system, I have HUGE RESPECT FOR YOU PEOPLE. Lord have mercy, this stuff is confusing!!! LOL. Anyway, I have a question if I...
  15. General Electrical Discussion
    I have a question. Typically, when I do a panel change (residential), the cabinet may be lower or higher than the original. Sometimes the cable sheathing doesn't quite make it into the new panel cabinet. Therefore, I would often run metal flex over the cable to protect that portion of...
  16. General Electrical Discussion
    I don't have a ton of experience bending EMT. I can make most of my bends without any issues. But I cannot seem to make a 4-point saddle bend in 1" EMT without kinking the last bend. Bending the EMT while it's on the ground isn't an issue. But once I have to flip the bender upside down and bend...
  17. General Electrical Discussion
    Hey guys, Just wondering what everyone has done in the past for running conduits in the slab. On a recent job I have completed the layout and also involved in running the actual conduits on site. I have attached a couple pictures for an idea. What have you done in the past for going through...
  18. Canadian Electrical Forum
    I have a friend looking to have a new feed ran to his garage for his future EV in Alberta. He is looking to run PVC underground from his house directly to his garage, and was previously suggested by someone to use 6/3 NMWU. Looking through the code now I'm not sure if it's possible to run NMWU...
  19. General Electrical Discussion
    I am wondering people's thoughts on the effect Power over Ethernet will have on electrical infrastructure, especially in lighting. What conduit/cable products will no longer be needed due to this? I assume some armored cabling will no longer be necessary if buildings switch their ceiling...
  20. Canadian Electrical Forum
    Hi All I am installing a 100 amp sub panel in a garage. The feed is coming from the 200 amp main in the house. I will be burying teck cable. The teck cable will come out of the ground at the garage and go straight into the back of the panel. My issue is what is the proper way to go through...
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