Running Romex Through Floor Joists

I m in bc canada and need to figure out how many holes i need to bore in the dimensional floor joist lumber and the number of wires i can run in each hole as a run across the room to a main panel.

Running romex through floor joists. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. Make sure the mark is at least 2 inches away from either the bottom or top edge of the floor joist. Smaller cables shall be run either through bored holes in joists or on running boards. I need to run about 8 x 14 2 wires 12 wire water heater 10 dryer wire and 2 x 12x2 wires through a set of 10 floor joists 2x10.

Circular holes are drilled in the wood to allow the wire to pass from one side to the next. The hole cannot be larger than one third the depth of the joist so the maximum hole size for a 2 12 joist actual size 1 1 2 x 11 1 4 in is 3 3 4 in. House wires are frequently run through both vertical framing members such as wall studs and window cripples or through horizontally placed floor and ceiling joists. Diameter plenty big enough for running cable.

You can drill the holes anywhere along the length of the joist first photo. Cable is run at angles with joists in unfinished basements and crawl spaces it shall be permissible to secure cables not smaller than two 6 awg or three 8 awg conductors directly to the lower edges of the joists.