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In recent years the Northern California market has seen an increase in the use of pre-wired electrical boxes on a number of projects. A pre-wired electrical box is installed during the rough-in phase with the switch or outlet already installed with a metal cover plate to protect it during the hanging and taping phases. This results in a number of challenges for the drywall hanger and the taper. First, the drywall hanger has increased blow outs, broken bits, and the cover plate causes over sizing of the cut out. Then the taper comes behind and has extra work to bring the boxes into tolerances for cover plates and fix blow outs. In addition the taper now has to work around the protruding device, interrupting the motion of the tool stroke. The costs associated with the use of pre-wired boxes have been difficult to measure due to the added time being buried within our normal processes. The case taken to the general contractor for reimbursement of lost time is similarly difficult to argue without firm data showing the lost production. This is where "a picture is worth a thousand words" enters into the negotiations process. In order to provide empirical data on the actual lost production caused by pre-wired boxes, this video was created.