Applications
IEEE Std 525
(1992) Design and Installation of Cable
Systems in Substations
IEEE Std 80
(2000) Safety in AC Substation Grounding
IEEE Std 81
(1983) Guide for Measuring Earth
Surface Potentials of a Ground System
(Part 1)Normal Measurements
ISA S18.1
(1979; R 1992) Annunciator Sequences and
Specifications
NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)
NEMA 250
(2003) Enclosures for Electrical Equipment
(1000 Volts Maximum)
NEMA AB 1
Molded Case Switches, and Circuit-Breaker
Enclosures
NEMA LA 1
(1992; R 1999) Surge Arresters
NEMA PB 1
NEMA SG 6
(2000) Power Switching Equipment
NEMA WD 1
(1999) General Color Requirements for
Wiring Devices
NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)
NFPA 70
(2005) National Electrical Code
UNDERWRITERS LABORATORIES (UL)
UL 1236
(2002) Battery Chargers for Charging
Engine-Starter Batteries
UL 467
(2004) Grounding and Bonding Equipment
UL 486A-486B
(2003; Rev thru Apr 2004) Wire Connectors
UL 489
(2002; Rev thru May 2003) Molded-Case
and Circuit-Breaker Enclosures
UL 50
(1995; Rev thru Sep 2003) Enclosures for
Electrical Equipment
UL 6
(2000; Rev thru May 2003) Rigid Metal
Conduit
UL 67
SECTION 16311A
Page 11