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9 Common Wiring Mistakes and Code Violations
punctured by a long fastener that missed its mark. When using nonmetallic sheathed ... maintain a 11⁄ 4-in. clearance from the edge of a stud to protect the wire from errant drywall screws or long trim nails. It’s hard enough to fix the damage properly, but the risk that the ... outlet box. 2. Don’t mix line-voltage and low-voltage wires.
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