Are blank box covers listed for use as nailplates?
While I certainly cant see ANY conceivable hazard from their use, all it would take is one AHJ who wants to abandon common sense and insist on a listing.....
300.4(A)(1) does not require a listed plate. The code only requires that the plater be made of steel that is at least 1/16" thick. A blank cover meets this rule. Don
Never had any trouble with the "rockers" but I have seen some tapers that should have been shot. Put in a couple of recpts for the trades to use in a house once and the tapers proceeded to fill all of them with mud,while they were HOT!
I've had the same thing happen a few times. If you're charging the GC extra for putting in "temporary" power/receptacles for the guys it doesn't seem to bother you as much.
Sparky,
If you don't leave those guys some wood to hit they might start using a Hilti.