Re: Threaded hole for grounding screw - upgrading from 2-prong to 3-prong outlet
Something you may be missing here... it sounds like in the OP's case, there is no ground wire in the box; ground is provided by the conduit. So the ground screw on the receptacle needs to be bonded to the box.
Originally Posted by dj1
The "Senior Member" designation under my name doesn't mean I know a lot, it just means I talk a lot.I've been a DIYer since I was 12 (thanks, Dad!). I have read several books on various home improvement topics. I do not have any current code books I can refer to. I was an apprentice plumber for two years.