Craig DiLouie provided a few angles (for his Lighting Controls Association employers) on the IgCC and lighting. Included:
What’s in it for lighting? How is the IgCC different than the IECC?
Electrical power and lighting systems in new construction and remodeling projects is covered in Section 608. The lighting aspects enhance compliance with the IECC. Most of these aspects are related to lighting controls.
Indoor and outdoor lighting systems that must remain operational even when the lighted area is unoccupied must be reduced to a step between full power and OFF to save energy during these unoccupied periods unless the application is specifically exempted. Alternately, outdoor lighting systems can be controlled by occupancy sensors or be self-powered (solar). Applications include corridors, enclosed stairwells, storage and stack areas not open to the public, parking garages, and all outdoor lighting within two hours of conclusion of facility operations.
Exterior façade, sign and landscape lighting, meanwhile, must be automatically turned OFF within one hour of facility operations stopping up until one hour of operations resuming. If facility operation is continuous, decorative building façade and landscape lighting must be turned off from midnight to 6:00 AM.
Source: http://electricalcontractor.com/?p=9746
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