How to Secure Romex


ROMEX® wire consists of electrical wires surrounded by a plastic coating. Installing ROMEX® eliminates the need to run electrical conduit and pulling separate wires through the conduit to wire your home. This reduces the time required to wire your house. Securing the cable to studs and junction boxes ensures the cable will remain in position. An unsecured ROMEX® cable can pull from an installed breaker or junction box increasing the chances of a short circuit, which can lead to an electrical fire.

Things You'll Need

  • Hammer
  • ROMEX® staple
  • Flathead screwdriver
  • ROMEX® connector
  • Hold a length of ROMEX® in the mounting location.

  • Set a ROMEX® staple over the cable. Hit the top of the staple with a hammer to drive it into the mounting material. Stop hitting the staple when it rests against the cable without it cutting through the protective sheathing covering the cable.

  • Move along the ROMEX® cable, installing a staple every three to four feet.

  • Align the tip of a flathead screwdriver in the center of a junction box knockout. Hit the end of the screwdriver with a hammer to snap the knockout from the junction box.

  • Remove the castle nut from the threaded side of a ROMEX® connector. Push the threaded end of the connector into the knockout opening of the junction box.

  • Secure the connector to the junction box by threading the castle nut onto the connector threads and turning it clockwise. Tighten the castle nut by setting the tip of a flathead screwdriver onto a knurl of the nut and hitting it sharply with a hammer.

  • Turn the two screws located on the connector counterclockwise with a screwdriver. Slide one end of the ROMEX® cable into the connector. Tighten both screws to secure the ROMEX® to the junction box.

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