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<blockquote data-quote="TJ Cornish" data-source="post: 137494" data-attributes="member: 162"><p>Re: Sound & Stage Power</p><p></p><p></p><p>Expanding on this, a two-pole 50A breaker is... wait for it... a 50A breaker. This means that if you draw 55 amps on one leg and 0 amps on the other leg, both poles of the the breaker will simultaneously trip. If everything is perfectly balanced - breaker tolerances notwithstanding, you can draw up to 50A on each pole; and if all loads are 120v Line -> Neutral, that is potentially 100A of capacity.</p><p></p><p>The reason 50A breakers are commonly broken into 6 20A circuits (3 20A breakers per 50A leg) is that it's very difficult to use all 20A possible capacity of every circuit simultaneously, so there is usually some headroom available.</p></blockquote><p></p>
[QUOTE="TJ Cornish, post: 137494, member: 162"] Re: Sound & Stage Power Expanding on this, a two-pole 50A breaker is... wait for it... a 50A breaker. This means that if you draw 55 amps on one leg and 0 amps on the other leg, both poles of the the breaker will simultaneously trip. If everything is perfectly balanced - breaker tolerances notwithstanding, you can draw up to 50A on each pole; and if all loads are 120v Line -> Neutral, that is potentially 100A of capacity. The reason 50A breakers are commonly broken into 6 20A circuits (3 20A breakers per 50A leg) is that it's very difficult to use all 20A possible capacity of every circuit simultaneously, so there is usually some headroom available. [/QUOTE]
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