Case study: Cordless drill: Rejuvenating a product

He had asked her to leave the porch light on, but she hadn´t. Now he would have to return tomorrow to do the job. The contractor, who was to install storm windows on the woman´s house while she was away, had nowhere to plug in his electric drill; he had planned to insert a plug receptacle into the porch light fixture, but with the power switch inside the house turned off, this would be futile.