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  • drill bit to drill joist for wiring

    I am going to drill many holes through joists for wires.

    Please recommend a good drill bit for this purpose.

    Is 7/8" hole big enough for 3 #12 romex cables?

  • #2
    Re: drill bit to drill joist for wiring

    Really....you're asking about a drill bit?! If you don't even have this basic grasp of knowledge then you're in over your head. You're going to burn down your house...call an electrition.
    Buy cheap, buy twice.

    Comment


    • #3
      Re: drill bit to drill joist for wiring

      a short ship auger bit on a milwaukee hole hawg.

      edit: according to your listed location - boston, ma - you cannot do this work legally. the cities follow a statewide code.

      http://www.cityofboston.gov/isd/building/epg.asp

      Electrical, Gas Fitting, Plumbing and Fire Alarm Permits must be applied for and obtained by a licensed professional.
      Last edited by Plumber Punky; 02-07-2013, 08:10 AM. Reason: info
      ~~

      ... it was plumbed by Ray Charles and his helper Stevie Wonder

      Comment


      • #4
        Re: drill bit to drill joist for wiring

        Mr. This new owner AKA "a handyman"

        STOP!!!!!!

        first you have been told here by many to get a licensed electrician!

        Now you don't even know what size hole to drill?

        By the way do you know the CORRECT way to drill holes in the joists?

        There is a specific building code criteria as to where to drill, how to drill,
        and how many holes per joist are allowed etc.

        If you drill holes incorrectly you will compromise the strength of the joist and then
        you will have even more problems than just doing electrical wires!!!!!!!!

        So STOP !!!!!!

        hire a professional licensed electrician

        get the correct building permits

        Building permits and hiring professionals that are licensed are not designed to irritate you.
        They are designed for your protection. There is a reason for building codes etc.
        Yes it may cost you some money but if you really screw up can you live under/in a
        dollar bill?

        Owning power tools, hand tools, and watching the DIY network does not make you qualified
        to do any of this type of remodeling!!!!!!!!

        Finally you list yourself as a handyman....how about sharing your credentials and tell
        us the handyman stuff you have recently done.


        Cactus Man
        Last edited by cactusman; 02-07-2013, 12:15 PM. Reason: spelling error

        Comment


        • #5
          Re: drill bit to drill joist for wiring

          Originally posted by cactusman View Post
          Mr. This new owner AKA "a handyman"

          STOP!!!!!!

          first you have been told here by many to get a licensed electrician!

          Now you don't even know what size hole to drill?

          By the way do you know the CORRECT way to drill holes in the joists?

          There is a specific building code criteria as to where to drill, how to drill,
          and how many holes per joist are allowed etc.

          If you drill holes incorrectly you will compromise the strength of the joist and then
          you will have even more problems than just doing electrical wires!!!!!!!!

          So STOP !!!!!!

          hire a professional licensed electrician

          get the correct building permits

          Building permits and hiring professionals that are licensed are not designed to irritate you.
          They are designed for your protection. There is a reason for building codes etc.
          Yes it may cost you some money but if you really screw up can you live under/in a
          dollar bill?

          Owning power tools, hand tools, and watching the DIY network does not make you qualified
          to do any of this type of remodeling!!!!!!!!

          Finally you list yourself as a handyman....how about sharing your credentials and tell
          us the handyman stuff you have recently done.


          Cactus Man
          Don't worry too much, sir. Professional is on his way.

          Comment


          • #6
            Re: drill bit to drill joist for wiring

            it is best to work with a pro in this instance, but depending on the person you hire, he may be happy to let you do the grunt work, drilling and fishing the wire and so on, but follow what he says, where to drill and so on,

            some of the choice on bits will depend on the type of drill one has or can get, the self feeding bits are great (until you hit a nail), and usually take a heavy duty 1/2" drill to drive them,

            spade bits in a 3/8" drill do a good job, just do not over heat the drill, again they do not do nails well, but then one can easily resharpen them on a wheel grinder, if you know how to, and the price is such that if you do mess one up it affordable. the price on some of them makes them nearly disposable,


            the auger bits usually take more effort and know how to properly resharpen them with a file,

            it looks like they make stubby spade bits now, as well as a self feeding units,

            for example here is a 1" (what came up first), self feed stubby spade bit that one company is selling for $1.70 it looks like.
            Vermont American 14490 1 Self Feed Black Oxide Stubby Length Spade Bit

            as for the hole size and the number of wires to run through it follow your licensed electricians directions,
            Push sticks/blocks Save Fingers
            ~~~~~~~~~~~~~~~~~~~
            "The true measure of a man is how he treats someone who can do him absolutely no good."
            attributed to Samuel Johnson
            ~~~~~~~~~~~~~~~~~~~
            PUBLIC NOTICE: Due to recent budget cuts, the rising cost of electricity, gas, and oil...plus the current state of the economy............the light at the end of the tunnel, has been turned off.

            Comment


            • #7
              Re: drill bit to drill joist for wiring

              I use a dewalt right angle drill and stubby spade bits
              you do not force them let the drill do the work.
              with floor joists you have to be very careful where and how you drill them
              as BHD said (as for the hole size and the number of wires to run through it follow your licensed electricians directions.)
              shooting the s*** is a lot more fun when you use hollow points (much more splatter)

              coffee hell gimme booze!!!

              Comment


              • #8
                Re: drill bit to drill joist for wiring

                Brass as a metal comprises both copper and zinc alloys. This metal has properties like strength, ductility, wear-resistance, machine ability, hardness, antimicrobial, thermal and electrical conductivity, and corrosion-resistance. This material is available in different colors, depending on the zinc content.
                Thanks.
                Brass Fittings india

                Comment


                • #9
                  Re: drill bit to drill joist for wiring

                  Originally posted by shivshaktibrass View Post
                  brass as a metal comprises both copper and zinc alloys. This metal has properties like strength, ductility, wear-resistance, machine ability, hardness, antimicrobial, thermal and electrical conductivity, and corrosion-resistance. This material is available in different colors, depending on the zinc content.
                  Thanks.
                  wtf.....

                  Comment


                  • #10
                    Re: drill bit to drill joist for wiring

                    Probably a good idea not to click on that "brass fittings india" link.
                    Teach your kids about taxes..........eat 30 percent of their ice cream.

                    Comment

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