You develop the garage attic into an ADU, which voids the grandfathering and now the garage must be brought up to 2017 Code. That requires one garage circuit, and and that one garage circuit may have no other outlets (i.e. they must all be in the garage). However, Code is...
But the pros know that there are more configurations for plugs and receptacles than the average person ever dreams of, with blades of many sizes and shapes. That’s because, once you get beyond the requirements of simple household appliances, you’ll need circuits that deliver more power with ...