Wall-Mounted Lamp Arm

At my shop workstations, I like to use swing-arm lamps for adjustable task lighting. For convenience, I mount the lamp on a wooden arm that swings out from a nearby wall. Sometimes, a single arm does the trick, but when I need more reach and flexibility, I create an articulated arm by adding extensions as shown.

Make the primary arm from 114"-thick hardwood about 5" wide, tapering out to 112" at the end. Mine is 26" long, but suit yourself. Drill a 38"-diameter hole through the wide end on the drill press, using a long bit. Bore as deep as your drill press allows, and then raise the table to complete the hole. Rout or sand a bullnose onto the wide end. You can drill a hole on the narrow end to carry a lamp, or add an extension or two. Make an extension 114" thick by 112" wide and attach it to its mating arm with a 38" carriage bolt, a washer, a lock washer, and a nylon nut or a pair of nuts jammed against each other. Tighten the hardware enough to provide both friction and adjustability. Mount two metal L-brackets to the primary arm, using a length of 38" threaded rod secured at each end with a pair of jam nuts, and then screw the brackets to a wall stud.

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