Telecom
NEC
Acronyms
Hazardous Locations
100

This type of cable consists of 8 small copper conductors twisted together in pairs and is typically used for ethernet/internet lines.

Cat 5e/6 UTP

100

This article covers the topic of Services

230

100

NFPA

National Fire Prevention Association

100

This article covers class I, class II, and class III hazardous locations in general

500

200

This type of cable consists of just 1 copper conductor and is typically used for residential TV systems

Coaxial Cable 

200

This article covers the topic of Feeders

215

200

AHJ

Authority Having Jurisdiction

200

This article covers class I hazardous locations in greater detail

501

300

POTS is an acronym for this phrase

Plain-Old-Telephone-System

300

This article covers the topic of PVC

352

300

MBJ

Main Bonding Jumper

300

This article covers class II hazardous locations in greater detail

502

400

This standard is largely recognized as the North American standard for telecom systems, but is still technically a voluntary standard

ANSI/TIA-EIA

400

This article covers the topic of Swimming pools, fountains, & similar installations

680

400

USE

Underground Service Entrance

400

This article covers class III hazardous locations in greater detail

503

500

The 4 colors (and stripped variants) of insulation used for Cat 5e UTP cable

Orange/Green/Blue/Brown

500

This article covers the topic of Health Care Facilities

517

500

PVC

Poly-Vinyl Chloride

500

This class of location is considered hazardous because of flammable gases, flammable liquid-produced vapors, or combustible liquid-produced vapors are or may be present in the air in quantities sufficient to produce explosive or ignitable mixtures.

Class I