An input 120/208-volt, three-phase, 30-amp service connects through a 30-amp National Electrical Manufacturers Association 3R disconnect to supply two distinct circuits. Circuit one operates at 120 volts and supplies a 100-watt incandescent light fixture, a one-half horsepower 120-volt motor with a 6.5 full load amperage, a 20-amp ground-fault circuit interrupter duplex receptacle, and four 600-watt heaters governed by a thermoswitch with temperature limit switches set at 155 degrees Fahrenheit. Circuit two operates at 120 volts and provides power to the heating components controlled by a thermoswitch. The installation utilizes vapor-tight weather-resistant construction for the light fixture and a National Electrical Manufacturers Association 3R rating for the control enclosure.
G N 30A NEMA 3R DISCONNECT N/A 110B (25A LOAD) 110A (VARIES) 1 5 4 OFF 111 2 3 100 6 CIRCUIT #2 120V 1/2" HP 120V MOTOR 6.5 FLA GFI DUPLEX RECEPTACLE 20A 100 W. INCANDESCENT LIGHT 100 112 (4) 600W HEATERS W/ TEMPERATURE LIMIT SWITCHES SET AT 155° F CIRCUIT #1 120V 120V 120V 120V INPUT 120/208V/3Ø/30A SERVICE & TERMINATIONS ON 110A 110B THERMOSWITCH REEL MOTOR RUN 100 3 1. LIGHT FIXTURE: VAPOR TIGHT WEATHER-RESISTANT CONSTRUCTION 2. CONTROL ENCLOSURE: NEMA 3R
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