A rope of negligible mass is wrapped around a 225-kg solid cylinder of radius 0. 400 m. The cylinder is suspended several meters off the ground with its axis oriented horizontally, and turns on that axis without friction.

Which of the following would be considered a nec code violation in regards to the installation of luminaires? a. an outdoor lighting fixture mounted to a tree b. a five-pound, 12-inch diameter light fixture supported by the screw shell of the lampholder c. florescent lay-in fixtures attached to the framing sections of a suspended ceiling with sheet-metal screws d. track lighting over a sink, 2 feet from a bathtub