Does it come with bulbs?
Yes. These units come with bulbs unless specified otherwise in the individual product descriptions.
Do I have to hardwire it?
Many of the 120v bar heaters can be used with a standard cord and plug. Check spec sheets before ordering to determining if hard wiring is required.
How hot do they get?
Temperatures vary by model, distance from food, and environmental factors. Bar Heaters are designed to keep food at proper serving temperatures.