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McGraw Hill's National Electrical Safety Code (NESC) 2023 Handbook [Hardback]

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  • Formāts: Hardback, 720 pages, height x width x depth: 236x160x33 mm, weight: 959 g, 570 Illustrations
  • Izdošanas datums: 24-Jan-2023
  • Izdevniecība: McGraw-Hill Education
  • ISBN-10: 126425718X
  • ISBN-13: 9781264257188
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McGraw Hill's National Electrical Safety Code (NESC) 2023 HandbookPalielināt
  • Formāts: Hardback, 720 pages, height x width x depth: 236x160x33 mm, weight: 959 g, 570 Illustrations
  • Izdošanas datums: 24-Jan-2023
  • Izdevniecība: McGraw-Hill Education
  • ISBN-10: 126425718X
  • ISBN-13: 9781264257188
Citas grāmatas par šo tēmu:
Permanent link: https://www.kriso.lv/db/9781264257188.html
Keywords:
Up-to-date, rule-by-rule clarification of the requirements in the 2023 NESC®

Designed to be used alongside the code itself, McGraw Hills National Electrical Safety Code® (NESC®) 2023 Handbook has been fully updated to reflect the changes in the 2023 NESC. You will gain access to straightforward, ready-to-apply code clarification, enabling you to work safely and efficiently, and achieve full compliance. The book offers concise summaries of complicated and confusing issues as well as hundreds of diagrams, photos, and practical examples.

COVERAGE INCLUDES:

General Sections:

Introduction * definitions * references * grounding methods

Safety Rules for the Installation and Maintenance of Electric Supply Stations and Equipment:

Purpose and scope * protective arrangements * installation and maintenance * rotating equipment * storage batteries * transformers and regulators * conductors * circuit breakers and other equipment *switchgear * photovoltaic generating stations

Safety Rules for the Installation and Maintenance of Overhead Electric Supply and Communication Lines:

Purpose and scope * general requirements * classes of lines and equipment * clearances * grades of construction * structural loadings * strength requirements * line insulation

Safety Rules for the Installation and Maintenance of Underground Electric Supply and Communication Lines:

Purpose and scope * general requirements * underground conduit systems * supply cable * cable in underground structures * direct-buried cable and cable in duct * risers * terminations * equipment * installation in tunnels

Work Rules for the Operation of Electric Supply and Communication Lines and Equipment:

Purpose and scope * employer rules * employee rules * additional rules for communication employees * additional rules for supply employees
Preface xiii
Acknowledgments xv
Rule
General Sections
Section 01 Introduction to the National Electrical Safety Code
3(14)
010 Purpose
3(3)
011 Scope
6(3)
012 General Rules
9(1)
013 Application
9(3)
014 Waiver for Emergency and Temporary Installations
12(1)
015 Intent
12(2)
016 Effective Date
14(1)
017 Units of Measure
14(1)
018 Method of Calculation
15(2)
Section 02 Definitions of Special Terms
17(2)
Section 03 References
19(2)
Rule
Section 09 Grounding Methods for Electric Supply and Communications Facilities
21(44)
090 Purpose
21(1)
091 Scope
21(1)
092 Point of Connection of Grounding Conductor
22(11)
093 Grounding Conductor and Means of Connection
33(10)
094 Grounding Electrodes
43(7)
095 Method of Connection to Electrode
50(2)
096 Ground Resistance Requirements
52(4)
097 Separation of Grounding Conductors
56(4)
098 Number 098 Not Used in This Edition
60(1)
099 Additional Requirements for Grounding and Bonding of Communication Apparatus
60(5)
Part 1 Safety Rules for the Installation and Maintenance of Electric Supply Stations and Equipment
Section 10 Purpose and Scope of Rules
65(6)
100 Purpose
65(1)
101 Scope
65(4)
102 Application of Rules
69(1)
103 Referenced Sections
69(2)
Section 11 Protective Arrangements in Electric Supply Stations
71(18)
110 General Requirements
71(13)
111 Illumination
84(2)
112 Floors, Floor Openings, Passageways, and Stairs
86(1)
113 Exits
87(2)
Section 12 Installation and Maintenance of Equipment
89(14)
120 General Requirements
89(1)
121 Inspections
89(1)
122 Guarding Shaft Ends, Pulleys, Belts, and Suddenly Moving Parts
90(1)
123 Protective Grounding
90(1)
124 Guarding Live Parts
91(6)
125 Working Space about Electric Equipment
97(1)
126 Equipment for Work on Energized Parts
97(3)
127 Classified Locations
100(1)
128 Identification
101(1)
129 Mobile Hydrogen Equipment
102(1)
Section 13 Rotating Equipment
103(4)
130 Speed Control and Stopping Devices
103(1)
131 Motor Control
104(1)
132 Number 132 Not Used in This Edition
105(1)
133 Short-Circuit Protection
105(2)
Rule
Section 14 Storage Batteries
107(4)
140 General
107(2)
141 Switchgear and Plant Batteries
109(1)
142 Grid Storage Batteries
109(2)
Section 15 Transformers and Regulators
111(8)
150 Current-Transformer Secondary Circuits Protection When Exceeding 600 V
111(1)
151 Grounding Secondary Circuits of Instrument Transformers
111(1)
152 Location and Arrangement of Power Transformers and Regulators
112(3)
153 Short-Circuit Protection of Power Transformers
115(4)
Section 16 Conductors
119(6)
160 Application
119(1)
161 Electrical Protection
120(1)
162 Mechanical Protection and Support
121(1)
163 Isolation
122(1)
164 Conductor Terminations
122(3)
Section 17 Circuit Breakers, Reclosers, Switches, Fuses, and Other Equipment
125(6)
170 General
125(1)
171 Arrangement
125(2)
172 Application
127(1)
173 Circuit Breakers, Reclosers, and Switches Containing Oil
128(1)
174 Switches and Disconnecting Devices
128(1)
175 Disconnection of Fuses
129(1)
176 Open Gaps and Breaks
129(1)
177 Arresters
129(2)
Section 18 Switchgear and Metal-Enclosed Bus
131(6)
180 Switchgear Assemblies
131(4)
181 Metal-Enclosed Bus
135(2)
Section 19 Photovoltaic Generating Stations
137(6)
190 General
137(1)
191 Location
137(1)
192 Grounding Configurations
138(1)
193 Vegetation Management
139(1)
194 DC Overcurrent Protection
139(1)
195 DC Conductors
139(4)
Part 2 Safety Rules for the Installation and Maintenance of Overhead Electric Supply and Communication Lines
Section 20 Purpose, Scope, and Application of Rules
143(4)
200 Purpose
143(1)
201 Scope
143(3)
202 Application of Rules
146(1)
Rule
Section 21 General Requirements
147(24)
210 Referenced Sections
147(1)
211 Number 211 Not Used in This Edition
147(1)
212 Induced Voltages
147(1)
213 Accessibility
148(1)
214 Inspection and Tests of Lines and Equipment
148(3)
215 Grounding and Bonding
151(7)
216 Arrangement of Switches
158(1)
217 General
159(8)
218 Vegetation Management
167(4)
Section 22 Relations between Various Classes of Lines and Equipment
171(14)
220 Relative Levels
171(6)
221 Avoidance of Conflict
177(1)
222 Joint Use of Structures
178(2)
223 Communications Protective Requirements
180(1)
224 Communication Circuits Located within the Supply Space and Supply Circuits Located within the Communication Space
180(1)
225 Electric Railway Construction
181(4)
Section 23 Clearances
185(150)
230 General
194(13)
231 Clearances of Supporting Structures from Other Objects
207(5)
232 Vertical Clearances of Wires, Conductors, Cables, and Equipment Aboveground, Roadway, Rail, or Water Surfaces
212(24)
233 Clearances between Wires, Conductors, and Cables Carried on Different Supporting Structures
236(11)
234 Clearance of Wires, Conductors, Cables, and Equipment from Buildings, Bridges, Rail Cars, Swimming Pools, Supporting Structures, and Other Installations
247(26)
235 Clearance for Wires, Conductors, or Cables Carried on The Same Supporting Structure
273(24)
236 Climbing Space
297(7)
237 Working Space
304(1)
238 Clearances at the Support between Specified Communications and Supply Facilities Located on the Same Structure
305(19)
239 Clearance of Vertical and Lateral Facilities from Other Facilities and Surfaces on the Same Supporting Structure
324(11)
Section 24 Grades of Construction
335(10)
240 General
335(2)
241 Application of Grades of Construction to Different Situations
337(3)
242 Grades of Construction for Conductors
340(3)
243 Grades of Construction for Line Supports
343(2)
Section 25 Structural Loadings for Grades B and C
345(22)
250 General Loading Requirements and Maps
345(7)
251 Conductor Loading
352(3)
Rule
252 Loads on Line Supports
355(8)
253 Load Factors for Structures, Crossarms, Support Hardware, Guys, Foundations, and Anchors
363(4)
Section 26 Strength Requirements
367(38)
260 General (see also Section 20)
367(9)
261 Grades B and C Construction
376(24)
262 Number 262 Not Used in This Edition
400(1)
263 Grade N Construction
400(1)
264 Guying and Bracing
400(5)
Section 27 Line Insulation
405(9)
270 Application of Rule
405(1)
271 Material and Marking
406(1)
272 Ratio of Flashover to Puncture Voltage
406(2)
273 Insulation Level
408(1)
274 Factory Tests
408(1)
275 Special Insulator Applications
408(1)
276 Number 276 Not Used in This Edition
409(1)
277 Mechanical Strength of Insulators
409(2)
278 Aerial Cable Systems
411(1)
279 Guy and Span Insulators
411(3)
Section 28 Section Number 28 Not Used in This Edition
414(1)
Section 29 Section Number 29 Not Used in This Edition
414(3)
Part 3 Safety Rules for the Installation and Maintenance of Underground Electric Supply and Communication Lines
Section 30 Purpose, Scope, and Application of Rules
417(4)
300 Purpose
417(1)
301 Scope
417(2)
302 Application of Rule
419(2)
Section 31 General Requirements Applying to Underground Lines
421(8)
310 Referenced Sections
421(1)
311 Installation and Maintenance
421(2)
312 Accessibility
423(2)
313 Inspection and Tests of Lines and Equipment
425(1)
314 Grounding of Circuits and Equipment
425(3)
315 Communications Protective Requirements
428(1)
316 Induced Voltage
428(1)
Rule
Section 32 Underground Conduit Systems
429(24)
320 Location
429(9)
321 Excavation and Backfill
438(1)
322 Conduit, Ducts, and Joints
438(3)
323 Manholes, Handholes, and Vaults
441(12)
Section 33 Supply Cable
453(4)
330 General
453(1)
331 Sheaths and Jackets
453(1)
332 Shielding
454(1)
333 Cable Accessories and Joints
454(3)
Section 34 Cable in Underground Structures
457(10)
340 General
457(1)
341 Installation
457(8)
342 Grounding and Bonding
465(1)
343 Number 343 Not Used in This Edition
465(1)
344 Communication Cables Containing Special Supply Circuits
465(2)
Section 35 Direct-Buried Cable and Cable in Duct Not Part of a Conduit System
467(18)
350 General
467(3)
351 Location and Routing
470(3)
352 Installation
473(4)
353 Deliberate Separations---Equal to or Greater Than 12 in (300 mm) from Underground Structures or Other Cables
477(2)
354 Random Separation---Separation Less Than 12 in (300 mm) from Underground Structures or Other Cables
479(5)
355 Additional Rules for Duct Not Part of a Conduit System
484(1)
Section 36 Risers
485(6)
360 General
485(1)
361 Installation
485(2)
362 Pole Risers---Additional Requirements
487(3)
363 Pad-Mounted Installations
490(1)
Section 37 Supply Cable Terminations
491(4)
370 General
491(1)
371 Support at Terminations
492(1)
372 Identification
492(1)
373 Clearances in Enclosures or Vaults
493(1)
374 Grounding
494(1)
Section 38 Equipment
495(8)
380 General
495(2)
381 Design
497(3)
Rule
382 Location in Underground Structures
500(1)
383 Installation
501(1)
384 Grounding and Bonding
501(1)
385 Identification
502(1)
Section 39 Installation in Tunnels
503(4)
390 General
503(1)
391 Environment
504(3)
Part 4 Work Rules for the Operation of Electric Supply and Communications Lines and Equipment
Section 40 Purpose and Scope
507(6)
400 Purpose
507(1)
401 Scope
508(1)
402 Referenced Sections
509(4)
Section 41 Supply and Communications Systems---Rules for Employers
513(8)
410 General Requirements
515(2)
411 Protective Methods and Devices
517(4)
Section 42 General Rules for Employees
521(18)
420 General
523(8)
421 General Operating Routines
531(2)
422 Overhead Line Operating Procedures
533(2)
423 Underground Line Operating Procedures
535(4)
Section 43 Additional Rules for Communications Employees
539(10)
430 General
544(1)
431 Approach to Energized Conductors or Parts
544(2)
432 Joint-Use Structures
546(1)
433 Attendant on Surface at Joint-Use Manhole
546(1)
434 Sheath Continuity
547(2)
Section 44 Additional Rules for Supply Employees
549(26)
440 General
554(1)
441 Energized Conductors or Parts
554(3)
442 Switching Control Procedures
557(4)
443 Work on Energized Lines and Equipment
561(5)
444 De-Energizing Equipment or Lines to Protect Employees
566(4)
445 Protective Grounds
570(2)
446 Live Work
572(2)
447 Protection Against Arcing and Other Damage While Installing and Maintaining Insulators and Conductors
574(1)
Rule
Appendix. Photographs of NESC Applications 575(104)
Index 679
David J. Marne (Missoula, MT) is a branch manager and senior engineer at SSR Engineers, inc, where he specializes in NESC applications. Mr. Marne teaches widely on the NESC, and is a Senior Member of the IEEE.