Electrical Wiries Through Floor Joist

The best way to install an electrical staple is to put the prongs.

Electrical wiries through floor joist.

Drill holes with a diameter of no more than one third the depth of the joist staying 2 in. Cutting notches and drilling holes in joists as part of any new installation work or a re wire a cable trunking or cable tray sometimes has to pass through an element of building construction such as a floor wall or beam necessitating the formation of a notch or opening in the element. Running wire through floor joists. I remember reading somewhere concerning rules about drilling though floor joists but i can t find it anymore.

Although not technically an electrical question it does pertain to electrical installation more than any other forum so i will go ahead and post this here. Where and how to drill joists for electrical cables or plumbing runs depends on what type of floor framing you have. Keep the hole at least 2 in. Away from the top and bottom.

Electrical staples are approximately 1 2 inch wide and can be attached with a hammer to hold the wire in place beneath the joists. Appears to be a bit of a judgement call.