Let me start by saying I've wired countless 120v circuits/lights/rec, etc.
I just got done with my first 220v receptacle and its not working. I am using a standard NEMA 6-20 250v 20a receptacle. I wired it using 12-2WG wire using the white and black lines as hot and ground being ground. It feeds from the box through a 2-pole 20a THQP breaker.
It is wired exactly like this;
Now, I dont have a big fancy multimeter, but I do have something that looks like this;
When I test across the two hot lines, I get nothing.
Im hoping this is something obvious that Ive overlooked and the collective wisdom of SMC will have my new jointer up and running in no time