{"id":81708,"date":"2024-10-17T18:57:30","date_gmt":"2024-10-17T18:57:30","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/ieee-241-1991\/"},"modified":"2024-10-24T19:47:41","modified_gmt":"2024-10-24T19:47:41","slug":"ieee-241-1991","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/ieee\/ieee-241-1991\/","title":{"rendered":"IEEE 241 1991"},"content":{"rendered":"

Revision Standard – Active. This IEEE Standards product is part of the Color Books family. A guide and general reference on electrical design for commercial buildings is provided. It covers load characteristics; voltage considerations; power sources and distribution systems; power distribution apparatus; controllers; services, vaults, and electrical equipment rooms; wiring systems; systems protection and coordination; lighting; electric space conditioning; transportation; communication systems planning; facility automation; expansion, modernization, and rehabilitation; special requirements by occupancy; and electrical energy management. Although directed to the power oriented engineer with limited commercial building experience, it can be an aid to all engineers responsible for the electrical design of commercial buildings. This recommended practice is not intended to be a complete handbook; however, it can direct the engineer to texts, periodicals, and references for commercial buildings and act as a guide through the myriad of codes, standards, and practices published by the IEEE, other professional associations, and governmental bodies.<\/p>\n

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PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\nTitle Page <\/td>\n<\/tr>\n
4<\/td>\nIntroduction
Participants <\/td>\n<\/tr>\n
7<\/td>\nCONTENTS <\/td>\n<\/tr>\n
15<\/td>\n1. Introduction
1.1. Scope <\/td>\n<\/tr>\n
17<\/td>\n1.2. Commercial Buildings <\/td>\n<\/tr>\n
18<\/td>\n1.3. The Industry Applications Society (IAS) <\/td>\n<\/tr>\n
19<\/td>\n1.4. IEEE Publications
1.5. Professional Registration <\/td>\n<\/tr>\n
20<\/td>\n1.6. Codes and Standards <\/td>\n<\/tr>\n
22<\/td>\n1.7. Handbooks <\/td>\n<\/tr>\n
23<\/td>\n1.8. Periodicals <\/td>\n<\/tr>\n
24<\/td>\n1.9. Manufacturers’ Data
1.10. Safety <\/td>\n<\/tr>\n
25<\/td>\n1.11. Maintenance <\/td>\n<\/tr>\n
26<\/td>\n1.12. Design Considerations <\/td>\n<\/tr>\n
29<\/td>\n1.13. Estimating <\/td>\n<\/tr>\n
30<\/td>\n1.14. Contracts
1.15. Building Access and Loading
1.16. Contractor Performance <\/td>\n<\/tr>\n
31<\/td>\n1.17. Environmental Considerations
1.18. Technical Files <\/td>\n<\/tr>\n
32<\/td>\n1.19. Electronic Systems
1.20. Power Supply Disturbances <\/td>\n<\/tr>\n
33<\/td>\n1.21. Definitions <\/td>\n<\/tr>\n
38<\/td>\n1.22. References <\/td>\n<\/tr>\n
39<\/td>\n2. Load Characteristics
2.1. General Discussion <\/td>\n<\/tr>\n
45<\/td>\n2.2. Load Characteristics <\/td>\n<\/tr>\n
54<\/td>\n2.3. Electromagnetic Hazards, Pollution, and Environmental Quality <\/td>\n<\/tr>\n
55<\/td>\n2.4. Additions to Existing Systems <\/td>\n<\/tr>\n
56<\/td>\n2.5. Total Load Considerations <\/td>\n<\/tr>\n
60<\/td>\n2.6. Example- Sample Partial Load Calculation for an Office Building <\/td>\n<\/tr>\n
63<\/td>\n2.7. References <\/td>\n<\/tr>\n
64<\/td>\n3. Voltage Considerations
3.1. General Discussion <\/td>\n<\/tr>\n
68<\/td>\n3.2. Voltage Control in Electric Power Systems <\/td>\n<\/tr>\n
77<\/td>\n3.3. Voltage Selection <\/td>\n<\/tr>\n
79<\/td>\n3.4. Voltage Ratings for Utilization Equipment <\/td>\n<\/tr>\n
80<\/td>\n3.5. Effect of Voltage Variation on Utilization Equipment <\/td>\n<\/tr>\n
84<\/td>\n3.6. Calculations of Voltage Drops <\/td>\n<\/tr>\n
96<\/td>\n3.7. Improvement of Voltage Conditions <\/td>\n<\/tr>\n
97<\/td>\n3.8. Voltage-Drop Considerations in Locating the Low-Voltage Power Source
3.9. Momentary Voltage Variations- Voltage Dips <\/td>\n<\/tr>\n
99<\/td>\n3.10. Calculation of Voltage Dips <\/td>\n<\/tr>\n
101<\/td>\n3.11. Phase Voltage Unbalance in Three-Phase Systems <\/td>\n<\/tr>\n
105<\/td>\n3.12. Harmonic Voltages <\/td>\n<\/tr>\n
107<\/td>\n3.13. Transient Overvoltages <\/td>\n<\/tr>\n
108<\/td>\n3.14. References <\/td>\n<\/tr>\n
109<\/td>\n3.15. Bibliography
4. Power Sources and Distribution Systems
4.1. General Discussion
4.2. Electric Power Supply <\/td>\n<\/tr>\n
115<\/td>\n4.3. Interrelated Utility and Project Factors That Influence Design <\/td>\n<\/tr>\n
116<\/td>\n4.4. Electric Utility Metering and Billing <\/td>\n<\/tr>\n
121<\/td>\n4.5. Transformer Connections <\/td>\n<\/tr>\n
122<\/td>\n4.6. Principal Transformer Secondary Connections <\/td>\n<\/tr>\n
123<\/td>\n4.7. System Grounding <\/td>\n<\/tr>\n
125<\/td>\n4.8. Distribution Circuit Arrangements <\/td>\n<\/tr>\n
138<\/td>\n4.9. Emergency and Standby Power Systems <\/td>\n<\/tr>\n
144<\/td>\n4.10. Uninterruptible Power Supply (UPS) Systems <\/td>\n<\/tr>\n
158<\/td>\n4.11. Voltage Regulation and Power Factor Correction
4.12. System Reliability Analysis <\/td>\n<\/tr>\n
159<\/td>\n4.13. References <\/td>\n<\/tr>\n
161<\/td>\n5. Power Distribution Apparatus
5.1. General Discussion <\/td>\n<\/tr>\n
162<\/td>\n5.2. Transformers <\/td>\n<\/tr>\n
171<\/td>\n5.3. Medium- and High-Voltage Fuses <\/td>\n<\/tr>\n
176<\/td>\n5.4. Metal -Enclosed 5-34.5 kV Interrupter Switchgear <\/td>\n<\/tr>\n
177<\/td>\n5.5. Metal-Clad 5-34.5 kV Circuit Breaker Switchgear <\/td>\n<\/tr>\n
179<\/td>\n5.6. Metal-Enclosed, Low-Voltage 600 V Power Switchgear and Circuit Breakers <\/td>\n<\/tr>\n
181<\/td>\n5.7. Metal-Enclosed Distribution Switchboards <\/td>\n<\/tr>\n
182<\/td>\n5.8. Primary-Unit Substations
5.9. Secondary-Unit Substations <\/td>\n<\/tr>\n
183<\/td>\n5.10. Panelboards <\/td>\n<\/tr>\n
185<\/td>\n5.11. Molded-Case Circuit Breakers <\/td>\n<\/tr>\n
186<\/td>\n5.12. Low-Voltage Fuses <\/td>\n<\/tr>\n
190<\/td>\n5.13. Service Protectors
5.14. Enclosed Switches <\/td>\n<\/tr>\n
191<\/td>\n5.15. Bolted Pressure Switches and High-Pressure Contact Switches <\/td>\n<\/tr>\n
192<\/td>\n5.16. Network Protectors <\/td>\n<\/tr>\n
193<\/td>\n5.17. Lightning and System Transient Protection <\/td>\n<\/tr>\n
195<\/td>\n5.18. Load Transfer Devices <\/td>\n<\/tr>\n
199<\/td>\n5.19. Interlock Systems
5.20. Remote Control Contactors <\/td>\n<\/tr>\n
202<\/td>\n5.21. Equipment Ratings
5.22. References <\/td>\n<\/tr>\n
204<\/td>\n5.23. Bibliography <\/td>\n<\/tr>\n
205<\/td>\n6. Controllers
6.1. General Discussion <\/td>\n<\/tr>\n
206<\/td>\n6.2. Starting <\/td>\n<\/tr>\n
211<\/td>\n6.3. Protection <\/td>\n<\/tr>\n
214<\/td>\n6.4. Special Features <\/td>\n<\/tr>\n
215<\/td>\n6.5. Control Systems <\/td>\n<\/tr>\n
218<\/td>\n6.6. Low-Voltage Starters and Controllers <\/td>\n<\/tr>\n
220<\/td>\n6.7. Multiple-Speed Controllers <\/td>\n<\/tr>\n
221<\/td>\n6.8. Fire Pump Controllers
6.9. Medium-Voltage Starters and Controllers <\/td>\n<\/tr>\n
222<\/td>\n6.10. Synchronous Motor Starters
6.11. DC Motor Controls
6.12. Pilot Devices <\/td>\n<\/tr>\n
225<\/td>\n6.13. Speed Control of DC Motors <\/td>\n<\/tr>\n
226<\/td>\n6.14. Speed Control of AC Motors <\/td>\n<\/tr>\n
227<\/td>\n6.15. Power System Harmonics from Adjustable Speed Motor Controls
6.16. References
7. Services, Vaults, And Electrical Equipment Rooms
7.1. Incoming Lines and Service Laterals <\/td>\n<\/tr>\n
231<\/td>\n7.2. Service Entrance Installations <\/td>\n<\/tr>\n
237<\/td>\n7.3. Vaults and Pads for Service Equipment <\/td>\n<\/tr>\n
238<\/td>\n7.4. Network Vaults for High-Rise Buildings <\/td>\n<\/tr>\n
241<\/td>\n7.5. Service Rooms and Electrical Closets <\/td>\n<\/tr>\n
242<\/td>\n7.6. References
8. Wiring Systems
8.1. Introduction
8.2. Cable Systems <\/td>\n<\/tr>\n
243<\/td>\n8.3. Cable Construction <\/td>\n<\/tr>\n
253<\/td>\n8.4. Cable Outer Finishes <\/td>\n<\/tr>\n
257<\/td>\n8.5. Cable Ratings <\/td>\n<\/tr>\n
263<\/td>\n8.6. Installation <\/td>\n<\/tr>\n
270<\/td>\n8.7. Connectors <\/td>\n<\/tr>\n
274<\/td>\n8.8. Terminations <\/td>\n<\/tr>\n
282<\/td>\n8.9. Splicing Devices and Techniques <\/td>\n<\/tr>\n
285<\/td>\n8.10. Grounding of Cable Systems <\/td>\n<\/tr>\n
286<\/td>\n8.11. Protection from Transient Overvoltage
8.12. Testing <\/td>\n<\/tr>\n
291<\/td>\n8.13. Locating Cable Faults <\/td>\n<\/tr>\n
294<\/td>\n8.14. Cable Specification
8.15. Busway <\/td>\n<\/tr>\n
295<\/td>\n8.16. Busway Construction <\/td>\n<\/tr>\n
296<\/td>\n8.17. Feeder Busway <\/td>\n<\/tr>\n
297<\/td>\n8.18. Plug-in Busway <\/td>\n<\/tr>\n
298<\/td>\n8.19. Lighting Busway <\/td>\n<\/tr>\n
299<\/td>\n8.20. Trolley Busway
8.21. Standards <\/td>\n<\/tr>\n
300<\/td>\n8.22. Selection and Application of Busways <\/td>\n<\/tr>\n
305<\/td>\n8.23. Layout <\/td>\n<\/tr>\n
307<\/td>\n8.24. Installation <\/td>\n<\/tr>\n
308<\/td>\n8.25. Field Testing
8.26. Busways Over 600 V (Metal-Enclosed Bus) <\/td>\n<\/tr>\n
310<\/td>\n8.27. References <\/td>\n<\/tr>\n
311<\/td>\n8.28. Bibliography <\/td>\n<\/tr>\n
312<\/td>\n9. System Protection and Coordination
9.1. General Discussion <\/td>\n<\/tr>\n
322<\/td>\n9.2. Short-Circuit Calculations <\/td>\n<\/tr>\n
324<\/td>\n9.3. Selection of Equipment <\/td>\n<\/tr>\n
325<\/td>\n9.4. Basis of Short-Circuit Current Calculations <\/td>\n<\/tr>\n
327<\/td>\n9.5. Details of Short-Circuit Current Calculations <\/td>\n<\/tr>\n
358<\/td>\n9.6. Method of Reducing the Available Short-Circuit Current <\/td>\n<\/tr>\n
362<\/td>\n9.7. Selective Coordination <\/td>\n<\/tr>\n
376<\/td>\n9.8. Fuses <\/td>\n<\/tr>\n
391<\/td>\n9.9. Current-Limiting Circuit Breakers
9.10. Ground-Fault Protection <\/td>\n<\/tr>\n
393<\/td>\n9.11. References <\/td>\n<\/tr>\n
394<\/td>\n9.12. Bibliography <\/td>\n<\/tr>\n
395<\/td>\n10. Lighting
10.1. General Discussion <\/td>\n<\/tr>\n
396<\/td>\n10.2. Lighting Terminology <\/td>\n<\/tr>\n
398<\/td>\n10.3. Illumination Quality <\/td>\n<\/tr>\n
401<\/td>\n10.4. Illumination Quantity <\/td>\n<\/tr>\n
403<\/td>\n10.5. Light Sources <\/td>\n<\/tr>\n
409<\/td>\n10.6. Ballasts <\/td>\n<\/tr>\n
412<\/td>\n10.7. Luminaries <\/td>\n<\/tr>\n
415<\/td>\n10.8. Lighting Application Techniques <\/td>\n<\/tr>\n
432<\/td>\n10.9. Control of Lighting <\/td>\n<\/tr>\n
437<\/td>\n10.10. Lighting Maintenance
10.11. Voltage <\/td>\n<\/tr>\n
439<\/td>\n10.12. Power Factor
10.13. Temperature <\/td>\n<\/tr>\n
440<\/td>\n10.14. Ballast Sound <\/td>\n<\/tr>\n
441<\/td>\n10.15. Lighting Economics <\/td>\n<\/tr>\n
443<\/td>\n10.16. Illuminance Calculations
10.17. Lighting and Thermal Considerations <\/td>\n<\/tr>\n
445<\/td>\n10.18. References <\/td>\n<\/tr>\n
446<\/td>\n11. Electric Space Conditioning
11.1. General Discussion
11.2. Primary Source of Heat <\/td>\n<\/tr>\n
451<\/td>\n11.3. Energy Conservation <\/td>\n<\/tr>\n
454<\/td>\n11.4. Definitions <\/td>\n<\/tr>\n
455<\/td>\n11.5. References <\/td>\n<\/tr>\n
456<\/td>\n12. Transportation
12.1. General Discussion <\/td>\n<\/tr>\n
457<\/td>\n12.2. Types of Transportation <\/td>\n<\/tr>\n
462<\/td>\n12.3. Elevator Control, Motors, and Motor Generators <\/td>\n<\/tr>\n
465<\/td>\n12.4. Elevator Horsepower and Efficiency <\/td>\n<\/tr>\n
466<\/td>\n12.5. Elevator Energy Consumption and Heat Release
12.6. Elevator Conductors and Diversity Factor <\/td>\n<\/tr>\n
469<\/td>\n12.7. Elevator Operation <\/td>\n<\/tr>\n
470<\/td>\n12.8. Quality of Elevator Performance <\/td>\n<\/tr>\n
471<\/td>\n12.9. Elevator Doors and Automatic Door Operation <\/td>\n<\/tr>\n
472<\/td>\n12.10. Group Supervisory Control
12.11. Specification of Elevator Plant <\/td>\n<\/tr>\n
475<\/td>\n12.12. Regenerated Energy <\/td>\n<\/tr>\n
476<\/td>\n12.13. Standby Power Operation of Elevators <\/td>\n<\/tr>\n
477<\/td>\n12.14. Operation of Elevators During Fire Conditions <\/td>\n<\/tr>\n
478<\/td>\n12.15. Emergency Signals and Communications
12.16. Car Lighting
12.17. References <\/td>\n<\/tr>\n
479<\/td>\n13. Communication and Signal System Planning
13.1. General Discussion <\/td>\n<\/tr>\n
482<\/td>\n13.2. Telephone Facilities <\/td>\n<\/tr>\n
486<\/td>\n13.3. Data Facilities <\/td>\n<\/tr>\n
490<\/td>\n13.4. Fire Alarm Systems <\/td>\n<\/tr>\n
491<\/td>\n13.5. Security and Access Control Systems
13.6. Audio Communications Systems <\/td>\n<\/tr>\n
494<\/td>\n13.7. Image Communication Systems <\/td>\n<\/tr>\n
495<\/td>\n13.8. Nurse Call Systems <\/td>\n<\/tr>\n
496<\/td>\n13.9. Pocket Paging Systems
13.10. References <\/td>\n<\/tr>\n
497<\/td>\n14. Facility Automation
14.1. Introduction
14.2. Functions <\/td>\n<\/tr>\n
498<\/td>\n14.3. Establishment of System Requirements <\/td>\n<\/tr>\n
499<\/td>\n14.4. System Description and Equipment <\/td>\n<\/tr>\n
501<\/td>\n14.5. Central Monitoring and Control Equipment <\/td>\n<\/tr>\n
504<\/td>\n14.6. HVAC and Energy Management <\/td>\n<\/tr>\n
509<\/td>\n14.7. Fire Management <\/td>\n<\/tr>\n
512<\/td>\n14.8. Security <\/td>\n<\/tr>\n
513<\/td>\n14.9. Transportation and Traffic
14.10. Pollution and Hazardous Waste <\/td>\n<\/tr>\n
514<\/td>\n14.11. Electric Systems <\/td>\n<\/tr>\n
515<\/td>\n14.12. Mechanical Utilities <\/td>\n<\/tr>\n
516<\/td>\n14.13. Communications
14.14. Miscellaneous Systems <\/td>\n<\/tr>\n
518<\/td>\n14.15. FAS Design and Installation <\/td>\n<\/tr>\n
522<\/td>\n14.16. Training <\/td>\n<\/tr>\n
523<\/td>\n14.17. Maintenance and Operation <\/td>\n<\/tr>\n
525<\/td>\n14.18. References <\/td>\n<\/tr>\n
526<\/td>\n14.19. Bibliography <\/td>\n<\/tr>\n
527<\/td>\n15. Expansion, Modernization, and Rehabilitation
15.1. General Discussion
15.2. Preliminary Study <\/td>\n<\/tr>\n
532<\/td>\n15.3. Design Considerations <\/td>\n<\/tr>\n
535<\/td>\n15.4. Retaining Old Service Equipment <\/td>\n<\/tr>\n
536<\/td>\n15.5. Completely New Service Equipment
15.6. Additional New Service Point <\/td>\n<\/tr>\n
537<\/td>\n15.7. Voltage Transformation
15.8. Distribution of Power to Main Switchboards <\/td>\n<\/tr>\n
538<\/td>\n15.9. Existing Plans <\/td>\n<\/tr>\n
539<\/td>\n15.10. Scheduling and Service Continuity <\/td>\n<\/tr>\n
545<\/td>\n15.11. Wiring Methods <\/td>\n<\/tr>\n
546<\/td>\n15.12. References
16. Special Requirements by Occupancy
16.1. General Discussion <\/td>\n<\/tr>\n
547<\/td>\n16.2. Auditoriums <\/td>\n<\/tr>\n
548<\/td>\n16.3. Automobile Areas <\/td>\n<\/tr>\n
550<\/td>\n16.4. Banks <\/td>\n<\/tr>\n
551<\/td>\n16.5. Brokerage Offices
16.6. Places of Worship <\/td>\n<\/tr>\n
552<\/td>\n16.7. Athletic and Social Clubs <\/td>\n<\/tr>\n
553<\/td>\n16.8. Colleges and Universities <\/td>\n<\/tr>\n
554<\/td>\n16.9. Computer Centers <\/td>\n<\/tr>\n
555<\/td>\n16.10. Department Stores <\/td>\n<\/tr>\n
557<\/td>\n16.11. Fire Stations <\/td>\n<\/tr>\n
558<\/td>\n16.12. Gymnasiums
16.13. Health Care Facilities <\/td>\n<\/tr>\n
563<\/td>\n16.14. Hotels <\/td>\n<\/tr>\n
565<\/td>\n16.15. Libraries
16.16. Museums
16.17. Newspaper Buildings <\/td>\n<\/tr>\n
566<\/td>\n16.18. Office Buildings <\/td>\n<\/tr>\n
571<\/td>\n16.19. Parks and Playgrounds
16.20. Piers, Docks, and Boat Marinas
16.21. Police Stations <\/td>\n<\/tr>\n
572<\/td>\n16.22. Prisons <\/td>\n<\/tr>\n
573<\/td>\n16.23. Radio Stations <\/td>\n<\/tr>\n
574<\/td>\n16.24. Recreation Centers
16.25. Residential Occupancies (Commercial) <\/td>\n<\/tr>\n
575<\/td>\n16.26. Restaurants <\/td>\n<\/tr>\n
576<\/td>\n16.27. Schools (Kindergarten Through 12th Grade)
16.28. Shopping Centers <\/td>\n<\/tr>\n
577<\/td>\n16.29. Supermarkets <\/td>\n<\/tr>\n
578<\/td>\n16.30. Swimming Pools and Fountains
16.31. Telephone Buildings <\/td>\n<\/tr>\n
579<\/td>\n16.32. Television Studios
16.33. Theaters <\/td>\n<\/tr>\n
580<\/td>\n16.34. Transportation Terminals <\/td>\n<\/tr>\n
584<\/td>\n16.35. References <\/td>\n<\/tr>\n
585<\/td>\n16.36. Bibliography
17. Electrical Energy Management
17.1. Energy Management Requirements <\/td>\n<\/tr>\n
586<\/td>\n17.2. Energy Conservation Opportunities <\/td>\n<\/tr>\n
587<\/td>\n17.3. The Energy Management Process <\/td>\n<\/tr>\n
589<\/td>\n17.4. Lighting <\/td>\n<\/tr>\n
598<\/td>\n17.5. Calculating Energy Savings <\/td>\n<\/tr>\n
603<\/td>\n17.6. Load Management <\/td>\n<\/tr>\n
605<\/td>\n17.7. efficiencies of Electrical Equipment <\/td>\n<\/tr>\n
607<\/td>\n17.8. Metering <\/td>\n<\/tr>\n
609<\/td>\n17.9. Operations <\/td>\n<\/tr>\n
610<\/td>\n17.10. Energy Conservation Equipment <\/td>\n<\/tr>\n
612<\/td>\n17.11. References
17.12. Bibliography <\/td>\n<\/tr>\n
613<\/td>\n17.13. Projects <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

IEEE Recommended Practice for Electric Power Systems in Commercial Buildings<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
IEEE<\/b><\/a><\/td>\n1991<\/td>\n613<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":81709,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2644],"product_tag":[],"class_list":{"0":"post-81708","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ieee","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/81708","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/81709"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=81708"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=81708"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=81708"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}