several methanol ( ch3oh ) dimers are drawn and several proposed intermolecular bonding interactions are highlighted in dotted red lines. sort the interactions into valid and not valid hydrogen bonding interactions.

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