Metal Junction Box Cable Clamps

Securing cable with an internal clamp.

Metal junction box cable clamps.

Some metal boxes come with saddle shaped clamps already mounted inside the box. 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. Hubbell raco 8524 2 1 2 inch deep gangable switch electrical box with ts wood metal 1 2 inch setback stud bracket 2 x 1 2 inch knockouts and 4 x nmsc cable clamps 3 inch x 2 inch. If a clamp is not next to the knockout you are using simply unscrew the clamp and move it to the desired location.

Run cable through the hole. Some metal boxes have built in cable clamps. The reversible locknut cuts through protective coatings on boxes and enclosures to. Flexible metal conduit fmc duplex connector 25 box model 15803b 21 06 box 21 06 box.

Whichever clamping method the box uses 1 2 inch of sheathing should show inside the box. Tug to make sure the cable clamps tightly. There are standard metal clamps and push in plastic clamps. If the box you re using doesn t include clamps buy clamps separately and.

Free shipping on your first order shipped by amazon. 91 0 62 oz get it as soon as thu oct 8. Of sheathing is visible inside the box. Flexible metal conduit fmc combination clamp connector 5 pack model 20570 3 28 bag.

Make sure the sheathing on the cable is trapped under the clamp and that about 1 4 in. Electrical cables typically must be secured to boxes with approved cable clamps. Combination clamp connector 5 pack is the 3 8 in. Strip 8 12 inches of sheathing and run the cable into the box.

The carlon handy box is a nonmetallic switch and outlet box specifically designed for use with nonmetallic conduit systems and nonmetallic sheath cabling. 4 0 out of 5 stars 1. The national electrical code prohibits use of bx technically named armored cable ac in wet locations. Unlike metal boxes the carlon handy box has two integral cable clamps.

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. Use a metal electrical box when metal sheathed cable also called armored bx cable or metal conduit is running in or out of the box. Conduit clamp pipe clamps reducer conduit fittings southwire conduit fittings 1 2 emt t fitting conduit offset riser. Metal cable and conduit depend on the contact from its metal sheathing to the metal box to complete grounding.