And then they get separated and are looking for each other. Only thing beyond that I can remember is one scene, where one of the guys is like "hanging" under a green light bulb in empty room, it seems that he is somehow "captured" by the light bulb?? Movie is from late 70's, 80's or early 90's.
One reviewer lists out the three spooky tales:
~ Screenshots taken from The Bloody Pit of Horror