tandem breakers

Old 12-21-12, 04:56 PM
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tandem breakers

I guess a tandem breaker isnt really diiferent than a double pole because it picks up juice from 2 different points on the bussbar.That makes it a series type of connect I suppose.
Are they generally used for smaller 240 loads ??? or is it just convenient to be able to use it for any circuits later on if your needs change???
Old 12-21-12, 05:05 PM
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A pair of tandem breakers installed in the space for one full-height breaker can only supply two 120V circuits. They are connected to the same leg of the 240V single-phase service.

In order for a breaker to supply a 240V load, each half of the two-pole breaker is fed from a separate leg of the service.

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