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L-Acoustics LA12x - Powering Amp Racks with 208v/3Phase

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Brian Jojade:
It's possible that they require a neutral because the internal overload protection is only on a single leg, and not a dual trip which is required for dual hot connections.  It's a safety thing for unexpected failures.

Requiring the ground connection is the same thing.  Most gear happily will continue to operate without the ground lug, and nobody INSTANTLY dies. Although, if something goes wrong, they could.


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