NPS
Negative Phase Sequence
Negative Phase Sequence
A relay which switches in response to a specific number of applied impulses.
Non-Halogen Ethylene Copolymers combine attributes of polyethylene and polypropylene to produce cable insulating and jacketing compounds with superior fire protection. Unlike other ethylene compounds, these do not contain chemicals from the Halogen group
Luminaire light distribution is classified as non-cutoff when there is no candlepower limitation in the zone above max candlepower.
Voltage of a fully charged cell or battery when delivering rated capacity at a specific discharge rate. The nominal voltage per cell is 2V for Lead Acid, 1.2V for Nickel-Cadmium, 1.2V for Nickel Metal Hydride and 3.9V for Lithium Ion (small cells only).