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<blockquote data-quote="Rob Timmerman" data-source="post: 137448" data-attributes="member: 172"><p>Re: Sound & Stage Power</p><p></p><p>The Socapex-style connectors are a bit more fragile than most of the more common power connectors, and are generally not field-repairable. Additionally, if you are needing 6 single-phase circuits into the mult, you've got 12 current-carrying conductors, and so need to derate your cable ampacity by 50% (2 3-phase circuits only have 6 current-carrying conductors, so only need to derat by 20%). For 2 3-phase circuits, this means either limiting yourself to 15A breakers, or using 10AWG wire (which is not common).</p><p></p><p>Since Socapex cable is also used prettty extensively for dimmed lighting circuits, you'll probably also want to be careful about labeling cables when working events where lighting is also using multicable.</p><p></p><p>If you can fit into 3 circuits and will always have 3-phase power available, I'd probably lean towards using L21-20 instead.</p></blockquote><p></p>
[QUOTE="Rob Timmerman, post: 137448, member: 172"] Re: Sound & Stage Power The Socapex-style connectors are a bit more fragile than most of the more common power connectors, and are generally not field-repairable. Additionally, if you are needing 6 single-phase circuits into the mult, you've got 12 current-carrying conductors, and so need to derate your cable ampacity by 50% (2 3-phase circuits only have 6 current-carrying conductors, so only need to derat by 20%). For 2 3-phase circuits, this means either limiting yourself to 15A breakers, or using 10AWG wire (which is not common). Since Socapex cable is also used prettty extensively for dimmed lighting circuits, you'll probably also want to be careful about labeling cables when working events where lighting is also using multicable. If you can fit into 3 circuits and will always have 3-phase power available, I'd probably lean towards using L21-20 instead. [/QUOTE]
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