22 August 2006
including specific considerations for seismic reinforcement and other conditions.
Ceiling System. When lighting systems are intended to be recessed into or
mounted onto ceilings, determine the ceiling system type and capacity for lighting,
including plenum height and other factors. Determine whether the ceiling is fire rated.
Consider insulation locations and IC ratings of fixtures for residential projects.
Power System. Determine the available voltages, frequency, and capacity of
power sources for lighting.