Looking for help in trying to get more electrical outlets installed in my woefully under-receptacled garage. I have one GFCI 20A outlet at the door going into the garage, one single ceiling outlet for the garage door opener, and one single outlet on the opposite wall that is powering my sprinkler system. I don't like the Clark Griswold approach I've got now at my workbench-an extension cord from the GFCI that connects to a power strip to handle all of my tool needs. I would rather wire outlets properly. My question is how many standard outlets can be strung in series from the GFCI? The outlet hasn't tripped with as many as 8 items running simultaneously (mostly LED bench lights mind you), so I was thinking of installing two 4-outlet boxes or perhaps a switch at my bench to power these outlets. Would these be simply run in a chain from the GFCI to each outlet (or switch)? Are the number of outlets added simply dependent on the load? Any advice would be appreciated.
I would rather do something even more efficient like adding a new circuit or two to the panel, but that may be outside of my skill set. Any tips you can provide will be appreciated.