GLOSSARY - N
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National Electrical Code (NEC)
NEC is the National Electric Code which is a voluntary standard published by National Fire Protection Association – a private organization. Many state and local government agencies have adopted it as their code to regulate electrical construction practices. NEC sets standards for wiring and electrical devices. The NEC requirements are widely followed by local jurisdictions.NEMA
National Electrical Manufacturers Association. Includes lamp, electrical device and larger fixture manufacturers. NEMA develops consensus ratings and designations for various products.Neon Lamp
Low pressure arc discharge lamps that operate at high voltage. Typically used for decoration and signage purposes.Network, Dimming
A system of dimming controls that are wired and programmed to respond together, usually to link controls in several rooms.
NFRC
National Fenestration Rating Council, Inc. is a non-profit organization that administers the only uniform, independent rating and labeling system for the energy performance of windows, doors, skylights, and attachment products.
National Fenestration Rating Council, Inc.
8484 Georgia Avenue
Suite 320
Silver Spring, MD 20910
