Get your wiring accessories out One 50 amp outlet (or NEMA 14-50R), a wire (6 or six-gauge is highly recommended), and a weather-resistant box. Suitable for a variety of construction applications including spas, hot tubs, kitchens, bathrooms, etc. White (or neutral wire) goes directly below it, on the silver screw (or terminal). Includes self-test as required by UL 943 as an added safety feature The Siemens 1-pole GFCI circuit breaker is to be installed only on a single phase 120/240-volt AC system.ĭouble pole, 50 Amp, type QPF2 GFCI Circuit Breaker Fifty amp breakers are most often used to power many different appliances. When installed on these systems, protection is provided for 2-wire, 240-volt AC or 208-volt AC circuits 3-wire, 120/240-volt AC circuits. 50 Amp Wire Size Details: Gauge, Breaker, 220/240V Example>50 Amp Wire Size. Wire size Fuse or breaker Small-appliance circuit 12AWG 20 amps Refrigerator. The wire size is selected based on the amperage, not the voltage. Does that mean 240V outlets, circuits, and appliances use 10 gauge wiring Not necessarily. The Siemens 2-pole GFCI circuit breaker can be installed on a 120/240-volt AC single phase, 3-wire system, the 120/240-volt AC portion of a 240/120-volt, 3-phase, 4-wire system, or on a 208Y/120-volt, 3-phase, 4-wire system. Ranges burners and ovens use 240v, but a range's timer and clock use 120v. The best wire size for 240 Volts is 10 AWG. However, the white line neutral (pigtail) must be connected to the panel neutral for the device to function. Note: A load neutral is not required on the circuit. Current imbalances of 4-6 milliamps or more between load conductors will cause the ground fault sensor to trip the circuit Breaker. Siemens GFCI circuit breakers are UL Listed and CSA Certified as Class A devices.
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