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NFPA 70B 2019

NFPA 70B 2019

$80.71

NFPA 70B, Recommended Practice for Electrical Equipment Maintenance

Published By Publication Date Number of Pages
NFPA 2019 302
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Apply the 2019 edition of NFPA 70B along with NFPA 70E® to maintain electrical systems correctly and safeguard your personnel, your facility, and your business. Electrical systems maintenance helps protect workers, avoid equipment downtime, and reduce the cost of repairs. In fact, proper maintenance is absolutely essential to the safety of your facility and your employees. Get guidance you can trust in NFPA 70B, Recommended Practice for Electrical Equipment Maintenance. NFPA 70B details preventive maintenance for electrical, electronic, and communication systems and equipmen — such as those used in industrial plants, institutional and commercial buildings, and large multi-family residential complexes. Used alongside the requirements in NFPA 70E®, Standard for Electrical Safety in the Workplace® NFPA 70B helps facility managers develop and carry out an effective Electrical Preventive Maintenance (EPM) program for all types of equipment and assemblies. Contractors look to NFPA 70B for information about properly servicing equipment, and designers depend on it for developing specifications for installation that take maintenance into account. Updates in NFPA 70B coordinate with NFPA 70E and the “dot” standards from the Institute of Electrical and Electronics Engineers (IEEE). New recommendations for performing a maintenance-related design study correlate with the latest edition of NFPA 70E. New references help you identify content covered in approximately 70 IEEE “dot” standards in the IEEE 3000 Standards Collection™, replacing references to the IEEE Color Books. NFPA 70B chapters address every aspect of equipment maintenance: Planning and developing an Electrical Preventive Maintenance (EPM) program 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 Ground-fault protection Grounding Plus detailed chapters on many different types of assemblies, equipment, cables, and devices Stay focused on safety and your bottom line with NFPA 70B. Maintain equipment and develop your EPM using the latest guidance from the field.

PDF Catalog

PDF Pages PDF Title
2 Important Notices and Disclaimers
3 Additional Important Notices and Disclaimers
12 Chapter 1 Administration
1.1 Scope.
1.2 Purpose.
Chapter 2 Referenced Publications
2.1 General.
2.2 NFPA Publications.
2.3 Other Publications.
15 2.4 References for Extracts in Recommendations Sections.
Chapter 3 Definitions
3.1 General.
3.2 NFPA Official Definitions.
3.3 General Definitions.
19 Chapter 4 Why an Effective Electrical Preventive Maintenance (EPM) Program Pays Dividends
4.1 Why EPM?
4.2 Value and Benefits of a Properly Administered EPM Program.
20 4.3 EPM and Energy Conservation.
4.4 Case Histories.
Chapter 5 What Is an Effective Electrical Preventive Maintenance (EPM) Program?
5.1 Introduction.
5.2 Essential Elements of an EPM Program.
5.3 Planning an EPM Program.
5.4 Personnel.
5.5 Survey and Analysis.
5.6 Programmed Inspections.
21 Chapter 6 Planning and Developing an Electrical Preventive Maintenance (EPM) Program
6.1 Introduction.
22 6.2 Survey of Electrical Installation.
24 6.3 Identification of Critical Equipment.
25 6.4 Establishment of a Systematic Program.
27 6.5 Methods and Procedures.
28 6.6 Maintenance of Imported Electrical Equipment.
29 6.7 Maintenance of Electrical Equipment for Use in Hazardous (Classified) Locations.
6.8 Outsourcing of Electrical Equipment Maintenance.
6.9 Emergency Preparedness and Electrical System and Equipment Restoration (EPnSR).
6.10 Counterfeit Components, Devices, Tools, and Equipment.
30 Chapter 7 Personnel Safety
7.1 Introduction.
7.2 Grounding of Equipment to Provide Protection for Electrical Maintenance Personnel.
33 Chapter 8 Fundamentals of Electrical Equipment Maintenance
8.1 Design to Accommodate Maintenance.
8.2 Scheduling Maintenance.
8.3 Equipment Safety.
34 8.4 Protective Scheme.
8.5 Acceptance Testing.
8.6 Guidelines and Impact of Additions/Rework to Retrofitting Equipment.
8.7 Equipment Cleaning.
35 8.8 Special Handling and Disposal Considerations.
36 8.9 Supervisory Control and Data Acquisition (SCADA) Systems.
8.10 Lubrication.
8.11 Threaded Connections and Terminations.
37 Chapter 9 System Studies
9.1 Introduction.
9.2 Short-Circuit Studies.
38 9.3 Coordination Studies.
9.4 Load-Flow Studies.
39 9.5 Reliability Studies.
40 9.6 Risk Assessment Studies.
9.7 Maintenance-Related Design Study.
Chapter 10 Power Quality
10.1 Introduction.
41 10.2 Harmonics.
45 10.3 Transients (Surges).
46 10.4 Voltage Sags and Swells.
48 10.5 Long-Duration Undervoltages and Sustained Voltage Interruptions.
10.6 Unbalanced Voltages and Single Phasing.
50 10.7 Symptoms — Grounding.
10.8 Noise in Electrical and Electronic Systems.
51 10.9 Interharmonics.
10.10 Voltage Fluctuations and Flicker.
52 10.11 Power Quality Audit.
10.12 Power Quality References.
53 Chapter 11 Testing and Test Methods
11.1 Introduction.
11.2 Acceptance Tests and Maintenance Tests.
11.3 As-Found and As-Left Tests.
11.4 Frequency of Tests.
54 11.5 Special Precautions and Safety.
11.6 Qualifications of Test Operators.
11.7 Test Equipment.
11.8 Forms.
55 11.9 Insulation Testing.
57 11.10 Low-Voltage Circuit Breakers.
59 11.11 Transformer Tests.
61 11.12 Protective Relays.
62 11.13 Grounding Systems.
63 11.14 Battery Testing.
64 11.15 Switches.
65 11.16 Medium and High Voltage Circuit Breakers.
69 11.17 Infrared Inspection.
70 11.18 Fuses.
11.19 Insulating-Liquid Analysis.
73 11.20 Rotating Machine Testing.
75 11.21 Cables.
78 11.22 Adjustable-Speed Drive Testing.
11.23 Switchgear and Switchboard Assemblies.
11.24 Surge Arresters.
79 11.25 Power Factor Correction Capacitors.
11.26 Emergency Systems.
80 11.27 Test or Calibration Decal System.
Chapter 12 Maintenance of Electrical Equipment Subject to Long Intervals Between Shutdowns
12.1 Introduction.
12.2 General Aspects of Maintaining Medium- and Low-Voltage Distribution Systems.
82 12.3 Utilization.
86 12.4 Process Instrumentation and Control.
88 Chapter 13 Ground-Fault Protection
13.1 Introduction.
13.2 Ground-Fault Protective Equipment for Excessive Leakage Currents.
89 13.3 Ground-Fault Protective Equipment to Prevent Damage.
Chapter 14 Grounding
14.1 Introduction.
90 14.2 Symptoms and Causes of Inadequate Grounding.
14.3 Grounding System Inspection, Testing, and Monitoring.
91 14.4 Solutions to Inadequate Grounding.
Chapter 15 Substations and Switchgear Assemblies
15.1 Substations.
92 15.2 Switchgear Assemblies.
94 15.3 Circuit Interrupters.
15.4 Air Circuit Breakers.
96 15.5 Vacuum Circuit Breakers.
97 15.6 Oil Circuit Breakers.
15.7 Interrupter Switches.
15.8 Gas-Insulated Substations and Gas-Insulated Equipment.
99 15.9 Auxiliary Equipment.
103 15.10 Torque Tables.
104 Chapter 16 Motor Control Equipment
16.1 Introduction.
16.2 Components and Maintenance of Motor Controls.
105 16.3 Enclosures.
16.4 Bus Bar, Wiring, and Terminal Connections.
16.5 Disconnects.
107 16.6 Molded Case Breakers.
16.7 Fuses.
16.8 Contactors.
109 16.9 Motor Overload Relays — Thermal Types.
16.10 Pilot and Miscellaneous Control Devices.
16.11 Interlocks.
110 Chapter 17 Insulated-Case/Molded-Case Circuit-Breakers
17.1 Introduction.
17.2 Application Considerations.
17.3 Phase-Fault Current Conditions.
17.4 Ground-Fault Tripping.
17.5 Types of Insulated-Case/Molded-Case Circuit Breakers.
17.6 Special-Purpose Breakers.
17.7 Types of Maintenance.
17.8 Inspection and Cleaning.
17.9 Loose Connections.
17.10 Mechanical Mechanism Exercise.
17.11 Electrical Testing.
111 Chapter 18 Fuses
18.1 Fuses Rated 1000 Volts or Less.
18.2 Fuses Rated over 1000 Volts.
112 Chapter 19 Power Cables
19.1 Introduction.
19.2 Visual and Mechanical Inspection.
19.3 Aerial Installations.
19.4 Raceway Installations.
19.5 Electrical Testing.
19.6 Inspection and Testing Records.
Chapter 20 Cable Tray and Busway
20.1 Introduction.
113 20.2 Cable.
20.3 Cable Tray.
20.4 Low-Voltage (600-Volt) Busway.
114 Chapter 21 Power and Distribution Transformers
21.1 Introduction.
21.2 Liquid-Filled Transformers.
116 21.3 Dry-Type Transformers.
117 Chapter 22 Electronic Equipment
22.1 Introduction.
22.2 Reasons for Maintenance.
22.3 Special Precautions.
22.4 Preventive Maintenance Operations.
118 Chapter 23 Lighting
23.1 Introduction.
23.2 Cleaning.
23.3 Relamping.
23.4 Voltage.
23.5 Lamps and Ballasts.
120 23.6 Disposal.
Chapter 24 Wiring Devices
24.1 Introduction.
24.2 Connector and Receptacle.
24.3 Receptacles.
121 24.4 Adapters.
24.5 General-Use Snap Switches.
24.6 Cover Plates.
24.7 Boxes.
24.8 Pin and Sleeve Devices.
122 Chapter 25 Rotating Equipment
25.1 Introduction.
25.2 Safety Precautions.
25.3 Stator and Rotor Windings.
123 25.4 Brushes, Collector Rings, and Commutators.
25.5 Bearings and Lubrication.
25.6 Cleaning and Drying Insulation Structures.
124 25.7 General Overhaul.
25.8 Records.
25.9 Testing.
25.10 Energy Efficiency of Motors.
Chapter 26 Vibration
26.1 Introduction.
26.2 Machine Vibration.
26.3 Types of Instruments.
125 26.4 Resonance.
26.5 Methods of Balance.
26.6 Assembly and Installation Guidelines.
26.7 Baseline Data.
26.8 Noise.
126 Chapter 27 Hazardous (Classified) Location Electrical Equipment
27.1 Types of Equipment.
27.2 Maintenance of Electrical Equipment for Use in Hazardous (Classified) Locations.
127 Chapter 28 Uninterruptible Power Supply (UPS) Systems
28.1 Introduction.
28.2 Types of UPS Systems.
28.3 UPS System Maintenance Procedures — General.
129 28.4 UPS Testing.
28.5 System Tests.
130 Chapter 29 Portable Electrical Tools and Equipment
29.1 Introduction.
29.2 Employee Training.
29.3 Tool Maintenance.
29.4 Cord and Attachment Plug Care.
131 29.5 Extension Cords.
29.6 Major Overhauls.
29.7 Leakage Current Testing.
Chapter 30 Reliability-Centered Maintenance (RCM)
30.1 General.
132 30.2 Operations and Maintenance (O&M) Documentation.
30.3 Technical Support.
30.4 Availability Metric.
Chapter 31 EPM from Commissioning (Acceptance Testing) Through Maintenance
31.1 Introduction.
31.2 Purpose.
31.3 Requirements.
31.4 Commissioning Planning Stages.
31.5 Developing of Functional Performance Tests (FPTs).
133 31.6 Testing Implementation.
134 31.7 Costs of Commissioning.
Chapter 32 Electrical Disaster Recovery
32.1 Introduction.
32.2 Catastrophic Event Categories.
136 Chapter 33 Photovoltaic Systems
33.1 Introduction.
137 33.2 Maintenance of the Photovoltaic System.
33.3 Markings and Labeling.
Chapter 34 Electric Vehicle Charging Systems
34.1 Introduction.
34.2 Maintenance of the Electric Vehicle Charging Stations.
138 Chapter 35 Wind Power Electric Systems and Associated Equipment
35.1 Introduction.
35.2 Towers and Foundations.
35.3 Yaw Systems.
35.4 Generators.
35.5 Pitch Systems.
35.6 Instrumentation and Controls.
35.7 Supervisory Control and Data Acquisition System (SCADA).
35.8 Transformers and Converters.
35.9 Circuit Breakers.
35.10 Cable Support Systems, Cables, and Terminations.
35.11 Collector Substations and Switchgear.
35.12 Associated Electrical Equipment.
35.13 Power Quality.
Annex A Explanatory Material
141 Annex B How to Instruct
145 Annex C Reserved
Annex D Reserved
Annex E Suggestions for Inclusion in a Walk-Through Inspection Checklist
147 Annex F Symbols
Annex G Diagrams
153 Annex H Forms
220 Annex I NEMA Configurations
Annex J Primary Contact Matrix
Annex K Long-Term Maintenance Guidelines
260 Annex L Maintenance Intervals
263 Annex M Equipment Storage and Maintenance During Construction
265 Annex N Reliability Centered Maintenance
276 Annex O Energy Efficiency of Motors
278 Annex P Identification of Transformers by Cooling Class
279 Annex Q Case Histories
283 Annex R Informational References

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NFPA 70B 2019
$80.71