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NFPA 70B 2023

NFPA 70B 2023

$80.71

NFPA 70B: Standard for Electrical Equipment Maintenance

Published By Publication Date Number of Pages
NFPA 2023 219
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Access the latest requirements for safe and effective electrical system maintenance to help protect your business, facility, and personnel. NFPA® 70B, Standard for Electrical Equipment Maintenance, details preventive maintenance for electrical, electronic, and communication systems and equipment in industrial, institutional, commercial, and large residential buildings. Used in conjunction with NFPA 70E®, Standard for Electrical Safety in the Workplace®, the document provides requirements for helping to safeguard workers, avoid equipment downtime, and reduce the cost of repairs. The biggest change to the 2023 edition is that is has been converted from a recommended practice to a standard. Changes were made throughout the document to update the provisions from recommendations to mandatory requirements. Aspects of equipment maintenance addressed in NFPA 70B include: Planning and carrying out an electrical preventive maintenance program for all types of equipment and assemblies Developing specifications for installation that take maintenance into account Personnel safety Fundamentals of electrical equipment maintenance System studies Power quality Testing and test methods Maintenance of electrical equipment subject to long intervals between shutdowns Grounding and ground-fault protection Plus, detailed chapters on many different types of assemblies, equipment, cables, and devices

PDF Catalog

PDF Pages PDF Title
11 Chapter 1 Administration
1.1 Scope.
1.2 Purpose.
1.3 Application.
1.4 Equivalency.
1.5 Units of Measurement.
Chapter 2 Referenced Publications
2.1 General.
2.2 NFPA Publications. (Reserved)
2.3 Other Publications.
2.4 References for Extracts in RecommendationsMandatory Sections.
Chapter 3 Definitions
3.1 General.
12 3.2 NFPA Official Definitions.
3.3 General Definitions.
14 Chapter 4 General
4.1 General Requirements.
4.2 Electrical Maintenance Program (EMP).
15 4.3 Personnel.
4.4 Survey and Analysis.
4.5 Planned Inspections.
4.6 Acceptance Test Report.
4.7 Impact of Additions/Rework to Retrofitting Equipment.
16 4.8 Equipment Cleaning.
Chapter 5 Personnel Safety
5.1 Introduction.
Chapter 6 Single-Line Diagrams and System Studies
6.1 Introduction.
6.2 Single-Line Diagrams.
6.3 Short-Circuit Studies.
6.4 Coordination Studies.
6.5 Load-Flow Studies.
6.6 Reliability Studies.
6.7 Incident Energy Analysis (Arc-Flash Study).
17 6.8 Electrical Maintenance-Related Design.
Chapter 7 Fundamental Tests
7.1 Fundamental Tests.
7.2 Bolted Bus Connections, Conductor Terminations, and Conductor Connectors.
7.3 Insulation Resistance Quality.
18 7.4 Infrared Thermography.
Chapter 8 Field Testing and Test Methods
8.1 Introduction.
8.2 Risk Assessment Special Considerations.
8.3 Testing Category Types.
8.4 Qualifications of Testing Personnel.
8.5 Test Equipment and Tools.
19 8.6 Test Record.
8.7 Condition of Maintenance Indication.
Chapter 9 Maintenance Intervals
9.1 Scope.
9.2 Frequency of Maintenance.
9.3 Equipment Condition Assessment.
24 Chapter 10 Hazardous (Classified) Location Electrical Equipment
10.1 General.
10.2 Maintenance Personnel for Hazardous (Classified) Locations.
10.3 Elimination of Hazardous Atmospheres.
10.4 Elimination of Ignition Sources.
10.5 Equipment Reassembly.
10.6 Conduit and Equipment Seals.
10.7 Bolts and Screws.
10.8 Handling of Equipment, Components, and Tools.
10.9 Field Modifications.
Chapter 11 Power and Distribution Transformers
11.1 Scope.
25 11.2 Frequency of Maintenance.
11.3 Periodic Maintenance Procedures.
29 Chapter 12 Substations and Switchgear
12.1 Scope.
12.2 Frequency of Maintenance.
12.3 Periodic Maintenance Procedures.
33 Chapter 13 Panelboards and Switchboards
13.1 Scope.
13.2 Frequency of Maintenance.
13.3 Periodic Maintenance Procedures.
35 Chapter 14 Busways
14.1 Scope.
14.2 Frequency of Maintenance.
14.3 Periodic Maintenance Procedures.
38 Chapter 15 Circuit Breakers, Low- and Medium-Voltage
15.1 Scope.
15.2 Frequency of Maintenance.
15.3 Periodic Maintenance Procedures for Low-Voltage Power Circuit (LVPCB), Molded Case Circuit Breaker (MCCB), and Insulated Case Circuit Breakers (ICCB).
39 15.4 Periodic Maintenance Procedures for Medium-Voltage Power Circuit Breakers.
46 Chapter 16 Fuses
16.1 Scope.
16.2 Frequency of Maintenance.
16.3 Periodic Maintenance Procedures.
47 Chapter 17 Switches
17.1 Scope.
17.2 Frequency of Maintenance.
17.3 Periodic Maintenance Procedures.
52 Chapter 18 Power Cables and Conductors
18.1 Chapter Scope.
18.2 Frequency of Maintenance.
18.3 Periodic Maintenance Procedures.
53 Chapter 19 Cable Tray
19.1 Scope.
19.2 Frequency of Maintenance.
19.3 Periodic Maintenance Procedures.
54 Chapter 20 Grounding and Bonding
20.1 Scope.
20.2 Frequency of Maintenance.
20.3 Periodic Maintenance Procedures.
55 Chapter 21 Ground-Fault Circuit Interrupters and Ground-Fault Protection of Equipment Systems
21.1 Scope.
21.2 Frequency of Maintenance.
21.3 Periodic Maintenance Procedures.
58 Chapter 22 Lighting
22.1 Scope.
22.2 Frequency of Maintenance.
22.3 Periodic Maintenance Procedures.
Chapter 23 Lighting Control Systems (Reserved)
Chapter 24 Wiring Devices
24.1 Scope.
24.2 Frequency of Maintenance.
24.3 Periodic Maintenance Procedures.
60 Chapter 25 Uninterruptible Power Supplies (UPS)
25.1 Scope.
25.2 Frequency of Maintenance.
25.3 Periodic Maintenance Procedures.
25.4 Special Procedures.
62 Chapter 26 Electronic Equipment (Reserved)
63 Chapter 27 Rotating Equipment
27.1 Scope.
27.2 Frequency of Maintenance.
27.3 Periodic Maintenance Procedures.
65 Chapter 28 Motor Control Equipment
28.1 Scope.
28.2 Frequency of Maintenance.
28.3 Periodic Maintenance Procedures.
67 Chapter 29 Portable Electrical Tools and Equipment
29.1 Scope.
29.2 Frequency of Maintenance.
29.3 Periodic Maintenance Procedures.
68 Chapter 30 Photovoltaic Systems
30.1 Scope.
30.2 Frequency of Maintenance.
30.3 Documentation and Labeling.
30.4 Periodic Maintenance Procedures.
70 Chapter 31 Wind Power Electric Systems and Associated Equipment
31.1 Scope.
31.2 Frequency of Maintenance.
31.3 Periodic Maintenance Procedures.
71 Chapter 32 Battery Energy Storage Systems
32.1 Scope.
32.2 Frequency of Maintenance.
32.3 Documentation.
32.4 Periodic Maintenance Procedures.
73 Chapter 33 Electric Vehicle Power Transfer Systems and Associated Equipment
33.1 Scope.
33.2 Frequency of Maintenance.
33.3 Documentation.
33.4 Periodic Maintenance Procedures.
74 Chapter 34 Public Pools, Fountains, and Similar Installations
34.1 Scope.
34.2 Frequency of Maintenance.
34.3 Periodic Maintenance Procedures.
75 Chapter 35 Protective Relays
35.1 Scope.
35.2 Frequency of Maintenance.
35.3 Periodic Maintenance Procedures.
78 Chapter 36 Stationary Standby Batteries
36.1 Scope.
36.2 Frequency of Maintenance.
36.3 Documentation.
36.4 Periodic Maintenance Procedures.
36.5 Special. (Reserved)
80 Chapter 37 Instrument Transformers (Reserved)
Chapter 38 Control Power Transformers (Reserved)
Annex A Explanatory Material
99 Annex B Suggestions for Inclusion in a Walk-Through Inspection Checklist
100 Annex C Symbols
104 Annex D Diagrams
107 Annex E Forms
174 Annex F NEMA Configurations
177 Annex G Primary Contact Matrix
179 Annex H Equipment Storage and Maintenance During Construction
181 Annex I Reliability Centered Maintenance
193 Annex J Power Quality
201 Annex K Electrical Disaster Recovery
204 Annex L Case Histories
208 Annex M Informational References

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NFPA 70B 2023
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