Coaxial cables are the main cables used for hooking up satellite TV, cable TV, the Internet, and components such as VHS and DVD players. If your coaxial cable gets cut or damaged, you can repair the cable yourself for much less than it costs to replace it. When a coaxial cable is cut, there are two ways to reconnect the cable with just a few simple supplies.
- Skill level:
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Things you need
- Box cutter, pocket knife or craft knife
- Electric tape
- Tape measure
- Silicone grease
- Coaxial connector
Use the knife to cut a slit in the black plastic coating 1/4 of an inch from the cut on both cut edges of the cable. Pull back on the plastic cover to expose the insulator wire and shield and remove the plastic coating. Pull the wires back and cut them 1/4 inch from the end. Remove the metal insulator shield. Cut the clear plastic coating and slide the coating off the connector wire.
Twist the two connector wires together to create a connection. Solder can be used if you can not get a tight twist. The exposed wire should be about 1/4-inch long. Apply a small amount of silicone grease to the cut ends of the insulators to prevent any moisture from getting in.
Wrap the connection with electrical tape. Cover the entire area of exposed wire. If you want the connection to look like the rest of the cable, you can wrap multiple layers of electrical tape to the desired thickness.
Cut and remove the plastic coating of the cable 1 inch from the cut area. Remove the braided copper insulator wires. Cut as close as possible to the black plastic. Take the metal foil shield off the plastic insulator. Cut the clear plastic insulator along the edge of the black plastic cover and pull it off the end of the wire.
Rub silicone grease over the layers of cut insulators. This will create a water seal around the insulators, making the cable last longer.
Slide the copper connection wire through the hole in the connector and screw it onto the end of the cable. The connection wire sticking out will be longer than needed. Cut the connector wire so that it is level with the sides of the connector. If the connector is cut at a 45-degree angle with the lowest part of the angle is level with the connector, it is easier to slide into coaxial ports.
Wrap the area where the connector and the cable meet with electrical tape to seal the area.
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