Metal Junction Box Cable Clamps

Electrical cables typically must be secured to boxes with approved cable clamps.

Metal junction box cable clamps.

If the box you re using doesn t include clamps buy clamps separately and. The reversible locknut cuts through protective coatings on boxes and enclosures to. Usually there are two clamps that can hold two cables each. The carlon handy box is a nonmetallic switch and outlet box specifically designed for use with nonmetallic conduit systems and nonmetallic sheath cabling.

Of sheathing is visible inside the box. Run cable through the hole. Combination clamp connector 5 pack is the 3 8 in. The national electrical code prohibits use of bx technically named armored cable ac in wet locations.

Securing cable with an internal clamp. Conduit clamp pipe clamps reducer conduit fittings southwire conduit fittings 1 2 emt t fitting conduit offset riser. Some metal boxes have built in cable clamps. Metal cable and conduit depend on the contact from its metal sheathing to the metal box to complete grounding.

There are standard metal clamps and push in plastic clamps. Make sure the sheathing on the cable is trapped under the clamp and that about 1 4 in. Flexible metal conduit fmc combination clamp connector 5 pack model 20570 3 28 bag. If a clamp is not next to the knockout you are using simply unscrew the clamp and move it to the desired location.

Use metal clad mc with a metal sheath specifically listed as impervious to water or underground feeder branch circuit cable uf either by itself or in a conduit system approved for use in wet locations if you desire additional. Some metal boxes come with saddle shaped clamps already mounted inside the box. 4 0 out of 5 stars 1. Free shipping on your first order shipped by amazon.

Many boxes have internal clamps already present but if a box has no means for clamping you must use a clamp that mounts to the box through one of the knockout holes in the box. Cables must be connected to metal boxes with an approved cable clamp. Tug to make sure the cable clamps tightly. Whichever clamping method the box uses 1 2 inch of sheathing should show inside the box.

91 0 62 oz get it as soon as thu oct 8. Strip 8 12 inches of sheathing and run the cable into the box. Flexible metal conduit fmc duplex connector 25 box model 15803b 21 06 box 21 06 box. Combination clamp connector 5 pack is designed to connect non metallic sheathed cable flexible metal conduit metal clad cable and armored cable to a steel outlet box or other metal enclosure.