Breaker hold down kit

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Is the feed from a utility interactive inverter?

Is the feed from a utility interactive inverter?

If it is, then there is no requirement to secure the breaker.

690.10 Stand-Alone Systems.
...
(E) Back-fed Circuit Breakers. Plug-in type back-fed circuit breakers connected to a stand-alone inverter output in either stand-alone or utility-interactive systems shall be secured in accordance with 408.36(D). Circuit breakers that are marked ?line? and ?load? shall not be backfed.

Utility interactive inverters drop their output so quickly when the output loses connection to another source, that the backfed breaker's stabs are not a hazard.
 
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