# Difference between Single Pole and Double Pole?

Electronic circuits generally contain and on and off switch. They also usually contain switches that control how the circuit works. The number of separate circuits that switch controls is referred to as a pole. The difference between a single pole and double pole is that a single pole controls one circuit, while a double pole controls two. Switches with more than two poles are not common. However, the rotary switch is one type that can have 16 or more switches.
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 Single pole only switches the live wire. Double pole switches live and neutral. < The electrical code only allows the neutral to be switched in one type of installation. It is http://wiki.answers.com/Q/What_is_the_difference_i...
 Electrical Service to a Home From its source of generation, electricity flows at a high voltage through wires to our homes. A transformer near the home reduces the voltage or " http://www.ehow.com/how_6500389_difference-_amp_-d...
 (SPDT) Three terminal switch in which one terminal can be connected to either one of the other terminals. http://www.answers.com/topic/single-pole-double-th...
 Single pole breaker means just that it handles one circuit, usually 120 volts. A double pole breaker is for 240 volts, not two 120 volt legs. You do not add 120 volts together to http://answers.yahoo.com/question/index?qid=200804...
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