Unplug the work light's power cord from the electrical outlet.
Snap open the wire cage over a work light or unscrew the cap on the top of a light that works with a fluorescent tube bulb.
Unscrew and discard an incandescent bulb. Pull a fluorescent tube bulb straight out of its socket and dispose of the bulb.
Screw in a new incandescent bulb or push the prongs on a fluorescent bulb into the two sockets.
Close the wire cage until it snaps or replace the cap on the work light, depending on your Bayco model.
Plug in the power cord.