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Code Quiz: Underground Systems Containing Mixed Wiring Types

2015-04-23 00:05:26| Electrical Construction & Maintenance

Per Sec. 820.47(A) of the 2014 NEC, when installing underground coaxial cables in a duct, pedestal, handhole enclosure, or manhole that contains electric light, power, or Class 1 or non-power-limited fire alarm circuit, conductors shall be in a section permanently separated from such conductors by means of a _________. read more

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