List of US, Canada and Mexico National Electrotechnical Standards harmonized through CANENA.

UL Standard

CSA Standard (CSA C22.2 No.)

ANCE Standard (NMX-J-no-ANCE)

UL Standard Title

Harmonization

THC/THSC

Project Status

5A

62.1

N/A

Surface Nonmetallic Raceways

Binational

THC 23A

PROJ

6

45.1

534

Electrical Rigid Metal Conduit — Steel

Trinational

THSC23A-WG1

PROJ

6A

45-2-08

576

Electrical Rigid Metal Conduit — Aluminum, Red Brass

Trinational

THSC23A-WG1

PROJ

20

111

N/A

General-Use Snap Switches

Binational

THC/THSC

PROJ

44

38

451

Thermoset-Insulated Wires and Cables

Trinational

THSC20

PROJ

50

94.1

235/1

Enclosures for Electrical Equipment, Non- Environmental Considerations

Trinational

THC 70/31

PROJ

50E

94.2

235/2

Enclosures for Electrical Equipment, Environmental Considerations

Trinational

THC 70/31

PROJ

62

49

436

Flexible Cord and Fixture Wire

Trinational

THSC20

PROJ

83

75

10

Thermoplastic-Insulated Wires and Cables

Trinational

THSC20

PROJ

98

4

162

Enclosed and Dead-Front Switches

Trinational

THSC 121A

PROJ

218

263

626

Fire Pump Controllers

Trinational

THSC 121A-WG4

PROJ

224

198.1

N/A

Extruded Insulating Tubing

Binational

THC 15

PROJ

248-1

248.1

009/248/1

Low-Voltage Fuses – Part 1: General Requirements l

Trinational

THC 32

PROJ

248-10

248.1

009/248/10

Low-Voltage Fuses – Part 10: Class L Fuses

Trinational

THC 32

PROJ

248-11

248.11

009/248/11

Low-Voltage Fuses – Part 11: Plug Fuses

Trinational

THC 32

PROJ

248-12

248.12

009/248/12

Low-Voltage Fuses – Part 12: Class R Fuses

Trinational

THC 32

PROJ

248-13

248.13

009/248/13

Low-Voltage Fuses – Part 13: Semiconductor Fuses

Trinational

THC 32

PROJ

248-14

248.14

009/248/14

Low-Voltage Fuses – Part 14: Supplemental Fuses

Trinational

THC 32

PROJ

248-15

248.15

009/248/15

Low-Voltage Fuses – Part 15: Class T Fuses

Trinational

THC 32

PROJ

248-16

248.16

009/248/16

Low-Voltage Fuses – Part 16: Test Limiters

Trinational

THC 32

PROJ

248-18

248.18

009/248/18

Low-Voltage Fuses – Part 18: CD Fuses

Trinational

THC 32

PROJ

248-19

248.19

009/248/19

Low-Voltage Fuses – Part 19: PhotoVoltaic Fuses

Trinational

THC 32

PROJ

248-2

248.2

009/248/2

Low-Voltage Fuses – Part 2: Class C Fuses

Trinational

THC 32

PROJ

248-3

248.3

009/248/3

Low-Voltage Fuses – Part 2: Class C Fuses

Trinational

THC 32

PROJ

248-4

248.4

009/248/4

Low-Voltage Fuses – Part 4: Class CC Fuses

Trinational

THC 32

PROJ

248-5

248.5

009/248/5

Low-Voltage Fuses – Part 5: Class G Fuses

Trinational

THC 32

PROJ

248-6

248.6

009/248/6

Low-Voltage Fuses – Part 6: Class H Non-Renewable

Trinational

THC 32

PROJ

248-7

248.7

009/248/7

Low-Voltage Fuses – Part 7: Class H Renewable Fuse

Trinational

THC 32

PROJ

248-8

248.8

009/248/8

Low-Voltage Fuses – Part 8: Class J Fuses

Trinational

THC 32

PROJ

248-9

248.9

009/248/9

Low-Voltage Fuses – Part 9: Class K Fuses

Trinational

THC 32

PROJ

310

153

N/A

Electrical Quick-Connect Terminals

Binational

THC 99

PROJ

347

253

564/106

Alternating Current Contactors and Contactor-Based

Trinational

THSC WG8

PROJ

467

41

590

Grounding and Bonding Equipment

Trinational

THC/THSC

PROJ

486A-486B

65

543

Wire Connectors

Trinational

THC 99

PROJ

486C

188

548

Splicing Wire Connectors

Trinational

THC 99

PROJ

486D

198.2

519

Sealed Wire Connector Systems

Trinational

THC 99

PROJ

486F

291

N/A

Bare and Covered Ferrules

Binational

THC 99

PROJ

489

5

266

Molded-Case Circuit Breakers, Molded-Case Switches

Trinational

THSC 121A

PROJ

489B

305

N/A

Molded-Case Circuit Breakers, Molded-Case Switches and Circuit-Breaker Enclosures for use with Photovoltaic (PV) Systems

Binational

THC 121A

PROJ

514A

18.1

023/1

Metallic Outlet Boxes

Trinational

THC 23B-1

PROJ

514B

18.3

017

Conduit, Tubing, and Cable Fittings

Trinational

THC 23A

PROJ

514D

42.1

N/A

Cover Plates for Flush-Mounted Wiring Devices

Binational

THC 23BC

PROJ

568

126.2

N/A

Nonmetallic Cable Tray Systems

Binational

THC 23A

PROJ

674

145

652

Electric Motors and Generators for Use in Hazardous (Classified) Locations

Trinational

THC 02

PROJ

773A

284-16

715

Nonindustrial Photoelectric Switches for Lighting Control

Trinational

THC 23BC

PROJ

797

83.1

536

Electrical Metallic Tubing — Steel

Trinational

THC 23A

PROJ

845

254

353

Motor Control Centers

Trinational

THSC 121/SC121B

PROJ

857

27

148

Busways

Trinational

THC121B

PROJ

891

244

118/2

Switchboards

Trinational

THC 17D

PROJ

943

144.1

520

Ground-Fault Circuit-Interrupters

Trinational

THC23E

PROJ

1004-1

100

773

Rotating Electrical Machines

Trinational

THC 02

PROJ

1008

178.1

672

Transfer Switch Equipment

Trinational

THSC 121A MT18

PROJ

1426

341

N/A

Electrical Cables for Boats

Binational

THC/THSC

PROJ

1441

198.3

N/A

Coated Electrical Sleeving

Binational

THC15C

PROJ

1449

269.1-5

 N/A

Standard for Surge Protective Devices

Binational

THC 37

PROJ

1472

184.1

N/A

Solid-State Dimming Controls

Binational

THC 23BC

PROJ

1561

C22.2 NO. 47

N/A

Dry-Type Power Transformers

Binational

THC 14

PROJ

1565

18.5

N/A

Positioning Devices

Binational

THC 23A-62275

PROJ

1569

2556

556

Metal-Clad Cables

Trinational

THC 20

PROJ

1598

250.0

307/1

Luminaires

Trinational

THC 34

PROJ

1653

227.1

851

Electrical Nonmetallic Tubing

Trinational

THC 23A

PROJ

1660

227.2

764

Liquid-Tight Flexible Nonmetallic Conduit

Binational

THC 23A

PROJ

1682

182.1

719

Standard for Plugs, Receptacles, and Cable Connectors, of the Pin and Sleeve Type

Trinational

THC 23H

PROJ

1691

1691

N/A

Single Conductor Pin and Sleeve Devices Intended for Theater, Stage, and Studio Applications

Binational

THC 23H

PROJ

1696

227.3

ANCE

Nonmetallic Mechanical Protection Tubing

Trinational

THC 23A

PROJ

1976

TBD

N/A

Crimp Tools

Binational

THC 99

PROJ

1993

1993

578/1

Self-Ballasted Lamps Adapters

Trinational

THC 34

PROJ

1995

236

N/A

Heating And Cooling Equipment

Binational

THC 61D

PROJ

2158

112

N/A

Electric Clothes Dryer

Binational

THC/THSC

PROJ

2251

282

678

Standard Testing for Charging Inlets and Plugs

Trinational

THC 69-2

PROJ

2231-1

281.1

668/1

Personal Protection Systems for Electrical Vehicles (EV) Supply Circuits – Part 1: General Requirements for Protection Devices for use in Charging

Trinational

THC 69-1

PROJ

2231-2

281.2

668/2

Personal Protection Systems for Electrical Vehicles (EV) Supply Circuits – Part 2: Particular Requirements for Protection Devices for use in Charging

Binational

THC 69-1

PROJ

2239

18.4

N/A

Hardware for the Support of Conduit, Tubing, and Cable

Binational

THC 23A

PROJ

2420

2420

N/A

Below ground Reinforced Thermosetting Resin Conduit (RTRC) and Fittings

Binational

THC 23A

PROJ

2459

2459

N/A

Insulated Multi-pole Splicing Wire Connectors

Binational

THC 99

PROJ

2515

2515

N/A

Above ground Reinforced Thermosetting Resin Conduit (RTRC) and Fittings

Binational

THC 23A

PROJ

2556

2556

556

Wire and Cable Test Methods

Trinational

THSC 20

PROJ

2594

280

677

Electric Vehicle Supply Equipment

Trinational

THC 69-1

PROJ

4248-1

4248.1

009/4248/1

Fuseholders – Part 1: General Requirements

Trinational

THC 32

PROJ

4248-11

4248.11

009/4248/11

Fuseholders – Part 11: Type C (Edison Base) and Typ

Trinational

THC 32

PROJ

4248-12

4248.12

009/4248/12

Fuseholders – Part 12: Class R

Trinational

THC 32

PROJ

4248-15

4248.15

009/4248/15

Fuseholders – Part 15: Class T

Trinational

THC 32

PROJ

4248-19

4248.19

009/4248/19

Photovoltaic fuseholder

Trinational

THC 32

PROJ

4248-4

4248.4

009/4248/4

Fuseholders – Part 4: Class CC

Trinational

THC 32

PROJ

4248-5

4248.5

009/4248/5

Fuseholders – Part 5: Class G

Trinational

THC 32

PROJ

4248-6

4248.6

009/4248/6

Fuseholders – Part 6: Class H

Trinational

THC 32

PROJ

4248-8

4248.8

009/4248/8

Fuseholders – Part 8: Class J

Trinational

THC 32

PROJ

4248-9

4248.9

009/4248/9

Fuseholders – Part 9: Class K

Trinational

THC 32

PROJ

4703

271

733

Photovoltaic Wire and Cable

Trinational

THSC 20

PROJ

60320-1

60320-1

N/A

Appliance Couplers for Household and Similar General Purposes – Part 1: General Requirements

Binational-IEC

THC 61D

PROJ

60335-1

60335-1

235/1

Household and Similar Electrical Appliances, Part 1: General Requirements

Trinational-IEC

THC 61D

PROJ

60335-2-34

60335-2-34

N/A

Household and Similar Electrical Appliances, Part 2-34: Particular Requirements for Motor-Compressors

Binational-IEC

THC 61C

PROJ

60335-2-40

60335-2-40

N/A

Household and Similar Electrical Appliances, Part 2-40: Particular Requirements for Electrical Heat Pumps

Binational-IEC

THSC61D

PROJ

60335-2-89

60335-2-89

N/A

Household and Similar Electrical Appliances, Part 2-89: Particular Requirements for Commercial Refrigerating Appliances with an Incorporated or Remote Refrigerant Unit or Compressor

Binational-IEC

THC 61C

PROJ

60947-1

60947-1-07

515

Low-Voltage Switchgear and Controlgear – Part 1: General Rules

Trinational-IEC

THSC 17A/121A/121B

PROJ

60947-4-1

60947-4-1

538/7-1

Low-Voltage Switchgear and Controlgear – Part 4-1: Contactors and motor-starters – Electromechanical contactors and motor – starters

Trinational-IEC

THSC 17A/121A/121B

PROJ

60947-4-2

60947-4-2

N/A

Low-Voltage Switchgrear and Controlgear – Part 4-2: Contactors and motor-starters- AC Semiconductor Motor Controllers and Starters

Binational-IEC

THSC 17A/121A/121B

PROJ

60947-5-1

60947-5-1

N/A

Low-Voltage Switchgear and Controlgear – Part 5-1: Control Circuit Devices and Switching Elements – Electromechanical Control Circuit Devices

Binational-IEC

THSC 17B-WG3

PROJ

60947-5-2

60947-5-2

538/7-1

Low-Voltage Switchgear and Controlgear – Part 5-2: Control Circuit Devices and Switching Elements – Proximity Switches

Trinational-IEC

THSC 17B-WG3

PROJ

60947-7-1

60947-7-1

538/7-2

Low-Voltage Switchgear and Controlgear – Part 7-1: Ancillary Equipment – Terminal Blocks for Copper Conductors

Trinational-IEC

THSC121A/SC 121B

PROJ

60947-7-2

60947-7-2

N/A

Low-Voltage Switchgear and Controlgear – Part 7-2: Ancillary Equipment –  Protective Conductor Terminal Blocks for Copper Conductors

Binational-IEC

THSC 121A/SC 121B

PROJ

60947-7-3

60947-7-3

N/A

Low-Voltage Switchgear and Controlgear – Part 7-3: Ancillary Equipment – Safety Requirements for Fuse Terminal Blocks

Binational-IEC

THSC 121A/SC 121B

PROJ

60947-7-4

60947-7-4

N/A

Low-Voltage Switchgear and Controlgear – Part 7-3: Ancillary Equipment – PCB Terminal Blocks for Copper Conductors

Binational-IEC

THSC 121A/SC 121B

PROJ

62275

62275

623

Cable management systems – Cable ties for electrical installations

Trinational-IEC

THC 23A

PROJ

62477-1

62477-1

N/A

Power Electronic Converter Systems and Equipment

Binational-IEC

THC 22H

PROJ

2202

346

817

DC Charging Systems for Electric Vehicles

Trinational

THC 69-1

PROJ

2263

332

738

Electric Vehicle Cable

Trinational

THC 69-1

PROJ

2251

282

678

Plugs, Receptacles, and Couplers for Electric Vehicles

Trinational

THC 69-2

PROJ

2996

344

N/A

Outline of Investigation for In-Ground Boxes

Binational

THC 23B-1

PROJ

9741

348

N/A

Electric Vehicle Power Export Equipment (EVPE)

Binational

THC 69-1

PROJ

Supporting Company and Association Members