A 240 volt breaker is nothing more then a TWO POLE breaker which is connected to BOTH hot phase legs L1 & L2 in a 120/240 volt single phase three wire panelboard. THEREFORE there exists between one/either of its output terminals and the Neutral GrounDED Buss 120 volts......
If you use BOTH legs (as you would for a 240 volt branch circuit) there exists between the two pole breaker output terminals 240 volts as thats the voltage from L1 to L2.......
If you examine the panelboard feeder busses which the breakers plug into, you will see that hot phase leg L1 and the other hot phase leg L2 alternate, therefore, two single pole breakers side by side are each fed from different phases, L1 or L2 and remember L1 to L2 = 240 volts but either leg to the Neutral GrounDED Conductor is only half that or 120 volts.
So YES if a two pole breaker is physically seperated into two single pole breakers, either could "work" as a 120 volt single pole breaker with 120 volts from its output to Neutral.
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Today's Featured Article - Tractor Profile: Allis-Chalmers Model G - by Staff. The first Allis-Chalmers Model G was produced in 1948 in Gasden, Alabama, and was designed for vegetable gardeners, small farms and landscape businesses. It is a small compact tractor that came with a complete line of implements especially tailored for its unique design. It featured a rear-mounted Continental N62 four-cylinder engine with a 2-3/8 x 3-1/2 inch bore and stroke. The rear-mounted engine provided traction for the rear wheels while at the same time gave the tractor operator a gre
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