AC polarity

You can buy a polarity checker at the hardware store for about $5...plugs in and has lights that confirm if it's ok or what's switched...

Well I ain't no lectrician like some folks around here but the large slot on the left is neutral and the other narrow one on the right is hot.

Also, this is an area that gets lots of talk up, but an AC source has no "polarity." AC is by definition an equal and repeating plus and minus voltage swing. Switching the plugs or improperly wiring them would have no effect on "polarity." Could be ground/safety issue.

Sincerely, I remain

Dear Jkubina, The black, AC hot wire goes to the narrow blade. There are neat test plugs available for testing. I believe Radio Shack and Hardware stores sell these. cordially, richard.....