UL 773A-2016
UL Standard for Safety Nonindustrial Photoelectric Switches for Lighting Control (Sixth Edition; Reprint with Revisions Through and Including May 25@ 2018)

Standard No.

UL 773A-2016

Release Date

2016

Published By

Underwriters Laboratories (UL)

Status

Be replaced 2017-12

Replace By

UL 773A BULLETIN-2017

Latest

UL 773A-2020

Scope

Requirements contained in this Standard cover controls of the light-sensitive or presence-sensitive types@ or both; for indoor or outdoor service; intended for the control of indoor or outdoor loads up to a maximum of 20 A and maximum 347 V; intended for installations on 50 Hz or 60 HZ systems or DC up to 60 V (for US); and DC up to 42.4 V (for Canada); and intended to be installed in accordance with the National Electrical Code (NEC)@ NFPA 70@ the Canadian Electrical Code (CE Code) Part I@ CSA C22.2 No. 0@ and NOM 001 SEDE. These requirements do not cover controls intended to be used under the following conditions: a) Devices that are locking type@ used for area or roadway lighting fixtures; b) Devices that monitor or control safety critical loads or personal protection circuits; c) Devices intended to be installed in areas designated hazardous locations; d) Devices intended to be installed for manufacturing process control.

UL 773A-2016 history

• 1970 UL 773A-2020 Nonindustrial photoelectric switches for lighting control
• 2018 UL 773A BULLETIN-2018 UL Standard for Safety Nonindustrial Photoelectric Switches for Lighting Control (COMMENTS DUE: April 9@ 2018)
• 2017 UL 773A BULLETIN-2017 UL Standard for Safety Nonindustrial Photoelectric Switches for Lighting Control (COMMENTS DUE: January 15@ 2018)
• 2016 UL 773A-2016 UL Standard for Safety Nonindustrial Photoelectric Switches for Lighting Control (Sixth Edition; Reprint with Revisions Through and Including May 25@ 2018)
• 2015 UL 773A BULLETIN-2015 UL Standard for Safety Nonindustrial Photoelectric Switches for Lighting Control (COMMENTS DUE: November 30@ 2015)
• 2014 UL 773A BULLETIN-2014 UL Standard for Safety Nonindustrial Photoelectric Switches for Lighting Control (COMMENTS DUE: January 20@ 2015)
• 2013 UL 773A CRD-2013 UL Standard for Safety Nonindustrial Photoelectric Switches for Lighting Control - Section / Paragraph Reference: 36 Subject: Load rating and marking requirements for photoelectric switches intended for use with electric-discharge lamps with magnetic or e
• 2012 UL 773A CRD-2012 UL Standard for Safety Plug-In Locking Type Photocontrols for Use with Area Lighting - Section / Paragraph Reference: 29.2 Subject: Abnormal Switching Test - Requirements for controls using electronic triggering techniques, such as zero-crossing switching
• 2010 UL 773A BULLETIN-2010 UL Standard for Safety Nonindustrial Photoelectric Switches for Lighting Control (COMMENTS DUE: December 20@ 2010)
• 2006 UL 773A-2006 UL Standard for Safety Nonindustrial Photoelectric Switches for Lighting Control (Fifth Edition; Reprint with Revisions Through and Including March 04@ 2011)
• 2005 UL 773A BULLETINS-2005 UL Standard for Safety Nonindustrial Photoelectric Switches for Lighting Control (12/09/2005 (10p); 06/17/2005 (10p))
• 2004 UL 773A BULLETIN-2004 UL Standard for Safety Nonindustrial Photoelectric Switches for Lighting Control
• 1995 UL 773A-1995 UL Standard for Safety Nonindustrial Photoelectric Switches for Lighting Control (Fourth Edition; Reprint with Revisions Through and Including July 07@ 2003)
• 1989 UL 773A-1989 Nonindustrial photoelectric switches for lighting control