Repair advice needed

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Old 07-14-14, 11:26 AM
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Repair advice needed

Buddy of mine lives in Maryland and tells me this tale of his weekend:

"Yesterday I was digging a trench for a 4 drain pipe to connect the gutter downspout that is near the location for the deck stairs. I applauded myself for not severing the PVC sprinkler pipe, but then I cut the control wires that were running next to it! Its a NM cable with eight 18-ga wires. Will have to figure out how to make splices that will last when buried underground. Maybe Ill run the wire into a plastic box and do the splices there."

This isn't up to code in the first place, being buried NM, right? He's of the understanding it's ok since it's low voltage but neither of us are electricians.

Any suggestions how best to repair?

Thanks
 
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Old 07-14-14, 02:24 PM
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It is not type NM cable, it is underground sprinkler control cable. I would slip a piece of heatshrink tubing over one end and then use crimp butt connectors to make the splice. Stagger the butt connectors if possible so that they are not all bunched together and then slide the heatshrink over and shrink it. Adhesive lined heatshrink would be best but probably not absolutely necessary.
 
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Old 07-14-14, 02:44 PM
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A Scotch kit from 3M that is resin filled would work to keep the moisture out.
 
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Old 07-14-14, 02:56 PM
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I thank both of you gentlemen and will relay your advice.
 
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