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If you ever plan to heat the space, consider insulating and finishing off the wall behind the bench now. It's also a good idea to prewire the wall before starting the bench. That means planning and installing the wiring for undercabinet and hanging lights, four-way outlets above the bench, outlets inside cabinets for recharging stations, dedicated compressor and table saw outlets, and outlets for drop cords.
Other electrical tips:
  • Finished walls. If your wall is finished, surface-mount strip outlets and boxes, then fish wires through the walls to the main panel.

  • Cold-weather lighting. If you live in a cold climate and don't plan to heat the garage all the time, use special fluorescent lights that operate in temperatures below 45 degrees F. A cheaper alternative is to install regular fluorescent lights for warm-weather use and standard incandescent (separately switched) for cold.

  • GFCI-protected outlets. Unless a garage outlet is dedicated to a permanent light or tool, it must be protected by a GFCI.

  • Service panel spacing. If the bench is on the wall that contains the home's electrical panel, code requires you to keep a 3-ft. wide and deep space in front open from the floor to the ceiling (Photo 1).

  • Special circuits. Tools like large air compressors require lots of amps. Wire not only for the tools you have but also for the ones on your wish list. Add dedicated 240-volt or separate circuits when necessary.

  • Electrical inspection. Contact your local electrical inspector before beginning the wiring and obtain a permit. Or hire a licensed electrician.



QTY.
MATERIAL PURPOSE
2
2" x 4" x 12' Bottom shelf framing
15
2" x 4" x 8' Shelf framing, legs, miscellaneous framing
5
4" x 8" x 3/4" plywood
Shelves, table saw module, drawer bottoms, flip-up workbench
5
1" x 6" x 8' Drawer sides
1
1" x 2" x 10' Flip-up table edging
2
2" x 2" x 8' Miter saw fence extension, table saw module
Pair
22" heavy-duty drawer slides Slide-out storage panel
12
2" fixed wheels
Drawer wheels
2
2" swivel wheels Table saw module
3
4" butt hinges
Flip-up assembly table
3
3" butt hinges Table saw outfeed support table
2
3" strap hinges Table saw module
1
4" gate latch Table saw module lock
4
1/4" x 5/16" T-nuts Table saw lock-down fasteners and 1/4" x 1-1/2" wing screws
12
4" x 5/16" lag screws and washers Bench-to-wall fasteners
2
3" x 1/4" lag screws Miter saw lock-down fasteners
1 lb.
16d nails  
1 lb.
1-5/8" drywall screws  
1 lb.
3" drywall screws