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Re: Opening in service panel enclosure
Eric,
The opening does not need to be sealed, however, being as that is a cable, it is required to have a cable clamp.
It 'could have' a conduit (raceway) through which the cable is run and not require a clamp, however, in that case it would not open to the interior of the wall.
You could 'see' into the interior of the wall to know it stopped there? If you could, then that is a no-no.
They sure ran that neutral close to the top of the main and its terminals, didn't they? Could they have pulled it any tighter? Or, maybe it has been 'pulled tighter' (i.e., no cable clamp, someone pulls the other end of the cable, cable pulls tight like shown). It is 'unusual' to see a cable stripped back that far into a fitting as the cable clamp would be clamping the insulation instead of the outer sheath - also a no-no.
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