UFC 3 -520-01
June 10, 2002
5-9
INFORMATION SOURCES............................................................
5-10
CHAPTER 6 POWER DISTRIBUTION AND UTILIZATION--RACEWAY AND WIRING
Paragraph
6-1
RACEWAY CRITERIA....................................................................
6-1
6-2
WIRING SYSTEM CRITERIA ........................................................
6-3
6-3
SIZING WIRING SYSTEMS FOR ENERGY SAVINGS ................
6-6
6-4
CONVENIENCE OUTLETS AND RECEPTACLES.......................
6-7
6-5
WIRING FOR TEMPORARY POWER AND LIGHTING................
6-8
6-6
ACCEPTANCE TESTING OF WIRING SYSTEMS .......................
6-10
CHAPTER 7 POWER DISTRIBUTION AND UTILIZATION-- MOTORS AND MOTOR
CONTROL CIRCUITS
Paragraph
7-1
BASIC MOTOR CRITERIA.............................................................
7-1
7-2
MOTOR CONTROL CIRCUITS .....................................................
7-3
7-3
ADJUSTABLE SPEED DRIVES.....................................................
7-5
CHAPTER 8 POWER DISTRIBUT ION AND UTILIZATION--OTHER DESIGN CRITERIA
Paragraph
8-1
ELECTRICAL EQUIPMENT CLEARANCES AND GUARDS........
8-1
8-1.1
Background.....................................................................................
8-1
8-1.2
Equipment Rated 600 Volts and Lower..........................................
8-1
8-1.3
Equipment Rated Above 600 Volts ................................................
8-5
8-2
ENCLOSURES...............................................................................
8-5
8-3
HAZARDOUS LOCATIONS ...........................................................
8-8
8-4
400-HERTZ DISTRIBUTION SYSTEMS .......................................
8-10
8-5
METERING .....................................................................................
8-11
8-6
POWER FACTOR CORRECTION.................................................
8-11
CHAPTER 9 ELECTRICAL SYSTEM PROTECTION AND COORDINATION
Paragraph
9-1
PROTECTION SYSTEM DESIGN ................................................
9-1
9-2
ELECTRICAL COORDINATION ANALYSIS CRITERIA ...............
9-1
9-2.1
Introduction .....................................................................................
9-1
9-2.2
Coordination Study Description......................................................
9-2
9-2.3
Coordination Time Intervals............................................................
9-3
9-2.4
Pickup Current ................................................................................
9-5
9-2.5
Coordination Curves .......................................................................
9-5
9-2.6
Coordination Analysis .....................................................................
9-8
9-2.7
Coordination Study Report .............................................................
9-10
9-3
PROTECTIVE RELAYS .................................................................
9-10
9-4
INSTRUMENT TRANSFORMERS.................................................
9-12
9-4.1
Background.....................................................................................
9-12
9-4.2
Current Transformers .....................................................................
9-12
9-4.3
Potential Transformers ...................................................................
9-12
9-5
FUSES ............................................................................................
9-12
9-6
OVERLOAD RELAYS ....................................................................
9-14
9-7
CIRCUIT BREAKERS.....................................................................
9-16
9-8
PROTECTIVE DEVICE DESIGNATIONS......................................
9-17
9-9
INFORMATION SOURCES............................................................
9-21
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