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THE VITAL NEED FOR ADEQUATE WIRING
The Principal Markets
Design of the Wiring System
2 other sections not shown
60 AMPERE SERVICE adequate wiring installation aggressive promotion AIR SPACE 41 alternating current systems amount of copper appliances available from Edison BRANCH CIRCUIT CAPACITY CABINET CENTRALLY LOCATED circuits and outlets Code Maximum commercial buildings Common Neutral CONDUIT FILL CONOUCTOR CN CABLE consistent with safety contractors copper capacity covered neutral cable Current Rating Total DISTRIBUTION CABINET CENTRALLY Edison Electric Institute electric service electrical industry electrical metallic tubing encourage wiring adequacy existing conduits Fill Maximum Current GROUNDED NEUTRAL CONDUCTOR I2 THINWALL TYPE I8 4 AMP ICAL improved increase wiring adequacy industrial buildings INSTITUTE 420 LEXINGTON insulating coverings larger number LEXINGTON AVENUE lighting loaded MARKET materials and methods Maximum under N.E.C. National Electrical Code neutral and thin-wall overloaded present raceway residences residential rigid conduit safe shaded circle shown supply THINWALL TYPE I8.4 three conductors trunk Undersized copper uninsulated neutral conductor unit costs utility voltage Volts single phase wiring materials wiring method wiring system