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How To Repair Small Underground Cable
John Cooper, Oxford, Miss.: “If I accidentally cut a small underground cable, I repair it on the cheap using a short length of pvc pipe and a tube of outdoor sealant. I slide a length of 3/4 or 1-in. dia. pvc pipe over the wire just beyond the area that was cut, use new wire to make a splice, and then tape it up. I then slide the pipe back over the splice and use a caulking gun to squirt rubberized outdoor sealant as far as possible into both ends of the pipe. The pipe should be long enough so both ends extend at least 6 to 8 in. beyond the splice.
  “The sealant keeps water from getting inside the pipe and possibly shorting out the wires. This technique works great on any small underground wire such as phone, cable and fiber optic wire.”

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2016 - Volume #40, Issue #5