Drilling Floor Joists For Wiring

But modern living requires electrical wiring and plumbing.

Drilling floor joists for wiring. The picture above shows what can happen when an untrained plumber is working on your home. 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. Drilling floor joists to run plumbing wiring or ducts can be tricky. There are very specific locations and sizes in the code telling you what is allowed.

Drill holes with a diameter of no more than one third the depth of the joist staying 2 in. Holes anywhere in the web area of engineered i joists except within 6 in. How to drill a hole through the side of a floor joist. You can drill holes anywhere between the flanges of the i joist.

Where and how to drill joists for electrical cables or. Of walls and rim joists. Let s review what is wrong with this particular joist and discuss what the proper technique is for. If you re drilling a hole in the center of the joist then you can drill up to a maximum of 4 inches in diameter 100mm.

The flanges are the thicker ends at the top and bottom of the joist. Away from the top and bottom.