NYC electrical code

Since faulty electrical could burn your place down & probably open you to liability from your neighbors, best practice guidelines is the way to go !

None require separate circuits. Loads for each (as well as convenience outlets, task lighting, etc.) will determine circuiting. GFI kitchens, baths, and anywhere near water. Obviously the disposal (while legal now, still not good) must be on a dedicated outlet, which is also separately switched.

-dishwasher
-OTR microwave
-garbage disposer
-refrigerator
-ignition for gas range

Thanks, both posters. #3, I'm already on the fence about the disposal -- it would be Insinkerator's "Cover Control" model, which doesn't use a wall switch, but I'm sure is strung into a GFI circuit. But why "still not good"?

code does not require separate circuits.

I don't know what #3 was referring to but I heard years ago that garbage disposals are not desirable because they sweeten the sewage which encourages rats.

#3 was probably referring to the additional bio-load that is added to wastewater, which means more energy for water treatment, more sludge to be handled, etc. whereas the scraps are biodegradeable within traditional garbage.

If we were buying again I would want to see signed off electrical permits and inspections.
We had to rewire our place after owner didn't wire unit properly, if you don't know
electrical codes, you should not be doing the wiring.

It seems like he's doing a lot of it himself but not the electrical but it certainly pays to know something before you talk to a worker/contractor.

OP here. Correct, #9 -- I'm having a licensed electrician do the permitting, work, and inspection, and want to be educated in advance of any BS. My shoddy skills extend only to demolition, outside-of-wall plumbing and Ikea kitchen installation.

How exciting for you! Have fun. They do have some great looking stuff at Ikea.