Yes the kiln has a 4 prong plug. My husband is not an electrician, but has wired whole houses before with zero problems. Just had to do research about wire sizes for some things. We are use to running stuff like 12/2, 6/3, 8/3, 10/2 etc. We just can't really find the exact wire size to run for this kiln, which is why I came here. I called paragon, but they are not open on Fridays and we wanted to get this done tomorrow. My husband is at work right now, so I was trying to find out the wire size for him. The previous replier said #8 wire and kiln requires a 4 wire circuit, does that mean I need 8/4 wire?