Voltage Classification
IEEE C2
(2002) National Electrical Safety Code
IEEE C62.41
(1991; R 1995) Recommended Practice for
Surge Voltages in Low-Voltage AC Power
Circuits
IEEE Std 81
(1983) Guide for Measuring Earth
Surface Potentials of a Ground System
(Part 1)Normal Measurements
NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)
NEMA 250
(2003) Enclosures for Electrical Equipment
(1000 Volts Maximum)
NEMA C136.15
(2004) Roadway Lighting Equipment -
High-Intensity-Discharge and Low-Pressure
Sodium Lamps in Luminaires - Field
Identification
NEMA C136.3
Luminaire Attachments
NEMA C136.6
(2004) American National Standard for
and Reflector Assemblies - Mechanical and
Optical Interchangeability
NEMA C78.42
(2004) Electric Lamps - High-Pressure
Sodium Lamps
NEMA ICS 1
(2000) Industrial Control and Systems:
General Requirements
NEMA ICS 2
(2000; R
2004) Industrial Controls and
Systems:
Controllers, Contactors, and
Overload
Relays Rated Not More than 2000
Volts AC
or 750 Volts DC
NEMA ICS 6
(1993; R 2001) Industrial Control and
Systems: Enclosures
NEMA OS 1
(2003) Sheet Steel Outlet Boxes, Device
Boxes, Covers, and Box Supports
NEMA OS 2
(1998) Nonmetallic Outlet Boxes, Device
Boxes, Covers and Box Supports
NEMA RN 1
(1998) Polyvinyl Chloride (PVC) Externally
Coated Galvanized Rigid Steel Conduit and
Intermediate Metal Conduit
NEMA TC 6 & 8
(2003) Polyvinyl Chloride PVC Plastic
Utilities Duct for Underground
Installations
SECTION 16528A
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