I agree with Gerry (Jerry?), one of the panel members in the video, the limit of the bathtub/shower is still left undefined. If you have a hard shower enclosure this is pretty clear language, but if a shower curtain is in use in a tub, there is a 3" or so ledge that is outside the shower and could be argued is outside the interior limit of the tub since there is no tub water basin directly below it.
I have a similar issue in my house. It would be nice to have the bathroom light switch inside the bathroom, but there is a stub halfwall that forms the uphill end of the bathtub just inside the bathroom door way. The electrician put the light switch for the bath in the hallway outside otherwise, it would have been above this half wall which forms part of the shower enclosure, even though it would be behind a shower curtain.
Another variation in this theme comes with a tub that drops into a platform. Are switches permitted above the platform? What if the platform is sized to have a substantial seating area at one end. Would a switch be permitted above the seating area? I suppose you could argue that this is exactly the reason we have an AHJ to approve these sort of reasonable compromises, and then we start complaining about how a particular AHJ has once done us wrong. I suspect it is a rare AHJ who would stick their neck out for this sort of allowance.
Cheers Ken Lillemo
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