Technical Committees

02 Rotating Machines23A Metal Cable Trays
15C Electrical Tubing and Sleeving Products23A Electrical Non-Ferrous Rigid Conduit (Aluminum, Red Brass & Stainless Steel)
17A/121A/121B Industrial Control Equipment23A Nonmetallic Cable Trays
THSC 121A WG GR General Rules23A Metal Electrical Conduit and Fittings for Conduit and Cable
THSC 121A WG1 Medium Voltage Controllers23A Nonmetallic Raceway Products and Accessories
THSC 121A WG3 Pilot and Control Circuit Devices23A-62275 Cable Ties
THSC 121A WG4 Fire Pump Controllers23B-1 Switch and Outlet Boxes
THSC 121A WG5 Terminal Blocks23BC Wiring Devices
THSC 121A WG6 Transfer Switches23E Ground Fault Circuit Interrupters
17A/121A/17C/121B WG 7 Revising IEC-Based CANENA Harmonized Standards23H Pin and Sleeve Type Plugs, Receptacles and Connectors
THSC WG8 Transfer Switches over 750V32 Low Voltage Fuses and Fuseholders
THC 121A Enclosed Switches34 Lighting Products
121A Molded Case Circuit Breakers61C Safety Requirements for Household Refrigerators & Freezers
THC 121B Busways61D Air-Conditioning and Refrigeration Equipment
17D Panelboard and Switchboard70/31 Enclosures
121B Control Centers99 Connectors
20 Electric CablesTHC69-1 EVSE and Personnel Protection
THSC 20, Flexible Cords and CablesTHC69-2 EVSE Connectors
THSC 20, Building Wire and CableTHSC 20, Wire and Cable Test Methods
THSC23A-WG1 Electrical Rigid Metal Conduit – Aluminum, Red Brass, and Stainless SteelCANENA 121A PV Circuit Breakers
THC 26 Electric WeldingTHC 22H Uninterruptible power systems (UPS)
THSC 20 Electric Vehicle Cables
23BC Wiring Devices
Mr. Dennis Oddsen
Director of Engineering
Wiring Device Kellems
870 Brock Road South
40 Waterview Dr
Shelton, CT 06484
United States
Phone: 475-882-4605
Fax: 203-783-9418
Mr. Andrei Moldoveanu
1300 N. 17th Street
Suite 1752
Rosslyn VA 22209
Phone:(703) 841-3264
Fax: (703) 841-3364
To facilitate the exchange of information on wiring device standards development in North America with a goal of harmonization.
UL 498, 20, 1472, 514D, 1786, 1363, 496, 542, 773A
CSA 42, 111, 184.1, 12, 21, 43
ANCE J-005, 024, 412, 325
IEC 884-1, 669-1, 669-2-1, 60320-1
32. General Use Appliance Couplers
33. Lampholders
34. Nightlights
35. Device Cover Wallplates
36. Electromechanical Gen’l Use Switches
41. Dimming Products
Publication Schedules