Labeling Dictionary

Labeling systems dictionary

Labeling Dictionary N

NEMA-12
A standard from the National Electrical Manufacturers Association, which is intended for indoor use, provides some protection against dust, falling dirt, and dripping noncorrosive liquids. Meets drip, dust, and rust resistance tests.
NEMA-4 and NEMA-4X
A standard from the National Electrical Manufacturers Association, which is intended to be watertight (weatherproof). Must exclude at least 65 GPM of water from 1-in. nozzle delivered from a distance not less than 10 ft for 5 min. Used outdoors on ship docks, in dairies, and in breweries.
NEMA-7
A standard from the National Electrical Manufacturers Association, which defines explosion-proof enclosures for use in locations classified as Class I, Groups A, B, C or D, as specified in the National Electrical Code.
Network
1) Any system of computers and peripherals. 2) In an electrical or hydraulic circuit, any combination of circuit elements.
NIST
Abbreviation for the National Institute of Science and Technology.
Node
A terminal on a data communications network.
Noise
An unwanted electrical interference on the signal wires.
Not To Exceed (NTE)
Purchase order, or contract, terminology used when the entire cost of a project or part of a project is not known. A not to exceed figure lets the buyer know that is the maximum amount they will pay without any additional notice or negotiation.
Numerical control (NC)
1) A machine tool that uses machine-readable sets of numeric codes that control the activities used in its operation. 2) A technique of operating machine tools or similar equipment in which motion is generated in response to numerically ordered commands generated by CAD systems, punched tapes, or other communication media.

For more information about WLS’ labeling solutions and services, please call us at 856-273-3377 or email us at sales@weilerls.com.

top