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334.15 (Residential cabinets)

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    334.15 (Residential cabinets)

    My supervisor has asked me to spec a residential job for under cabinet lighting. I’ve located the power source from a lower floor. 1/2” EMT will pass up from lower floor, directly into lower part of kitchen cabinetry (into metal 4” JC)

    The other cabinet I need to get to is inaccessible via the basement , so I’m planning on running 3/8” flex up through lower cabinet and across cabinetry above microwave (to get to other cabinets)

    Per 334.15, flex should be sufficient for protection from physical damage. But getting conflicting answers.

    Thoughts?

    #2
    Are we talking 120v lighting or low-voltage?

    What are you considering putting in the 3/8"?
    Master Electrician
    Electrical Contractor
    Richmond, VA

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      #3
      Hi Larry. 14/2 inside

      Comment


        #4
        Using 14-2 MC will save you a lot of labor.

        May I presume 120v then?
        Master Electrician
        Electrical Contractor
        Richmond, VA

        Comment


          #5
          Originally posted by Kimura View Post
          My supervisor has asked me to spec a residential job for under cabinet lighting. I’ve located the power source from a lower floor. 1/2” EMT will pass up from lower floor, directly into lower part of kitchen cabinetry (into metal 4” JC)

          The other cabinet I need to get to is inaccessible via the basement , so I’m planning on running 3/8” flex up through lower cabinet and across cabinetry above microwave (to get to other cabinets)

          Per 334.15, flex should be sufficient for protection from physical damage. But getting conflicting answers.

          Thoughts?
          I agree that 3/8" flex should be fine however if you read this (below) an inspector could turn it down. My personal opinion is where it says "where necessary" and inside the cabinet is not a place I would worry about

          334.15(B) Protection from Physical Damage. Cable shall be protected
          from physical damage where necessary by rigid metal
          conduit, intermediate metal conduit, electrical metallic tubing,
          Schedule 80 PVC conduit, Type RTRC marked with the suffix -
          XW, or other approved means. Where passing through a floor,
          the cable shall be enclosed in rigid metal conduit, intermediate
          metal conduit, electrical metallic tubing, Schedule 80 PVC
          conduit, Type RTRC marked with the suffix -XW, or other
          approved means extending at least 150 mm (6 in.) above the
          floor.
          They say I shot a man named Gray and took his wife to Italy
          She inherited a million bucks and when she died it came to me
          I can't help it if I'm lucky


          sigpic

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            #6
            BTW, will 14/2 even go inside 3/8" flex. We usually use 1/2" carflex and have never been turned down
            They say I shot a man named Gray and took his wife to Italy
            She inherited a million bucks and when she died it came to me
            I can't help it if I'm lucky


            sigpic

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              #7
              Originally posted by LarryFine View Post
              Using 14-2 MC will save you a lot of labor.

              May I presume 120v then?
              Im sorry, yes 120v

              Comment


                #8
                Originally posted by Dennis Alwon View Post
                I agree that 3/8" flex should be fine however if you read this (below) an inspector could turn it down. My personal opinion is where it says "where necessary" and inside the cabinet is not a place I would worry about
                Thank you Dennis

                Pulling 14/2 through 3/8 flex isn’t fun, but I’ve done it once before

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