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384.10 Wiring Methods and Materials, Uses Permitted
As extensions of unbroken lengths through walls, partitions, and floors where closure strips are removable from either side and the portion within ...
384.10 Wiring Methods and Materials, Uses Permitted
As extensions of unbroken lengths through walls, partitions, and floors where closure strips are removable from either side and the portion within ...
669.8 Special Equipment, Disconnecting Means
Where more than one power supply serves the same dc system, a disconnecting means shall be provided on the dc side of each power supply ...