UL 1917 BULLETIN-2011
UL Standard for Safety Solid-State Fan Speed Controls (COMMENTS DUE: September 28@ 2011)

Standard No.

UL 1917 BULLETIN-2011

Release Date

2011

Published By

Underwriters Laboratories (UL)

Status

Be replaced 2013-07

Replace By

UL 1917 BULLETIN-2012

Latest

UL 1917 BULLETIN-2017

Scope

These requirements cover solid state speed controls rated 300 volts or less@ single phase@ intended to be connected to 15 ?C 20 ampere branch circuits and intended to be installed in accordance with the National Electrical Code@ ANSI/NFPA 70 and used with: a) Fans and blowers that circulate air@ such as desk@ bracket@ ceiling@ hassock@ pedestal@ and utility fans; b) Fans and blowers that ventilate air@ such as attic@ wall-insert@ ceiling-insert@ household hoodand canopy-types@ and window fans; c) Evaporative coolers; d) Air-filtering appliances; e) Fan-type deodorizers; and f) Fan-type air fresheners. Inductive-type and capacitive-type fan speed controls are also covered by these requirements. These requirements also cover the solid state fan speed control portion of controls which include dimmers for use with lighting fixtures. Solid state fan speed controls provided with a power supply cord@ those intended for permanent connection@ and direct plug-in devices are also covered by this Standard. These requirements do not cover solid state speed controls used with air heaters incorporating fans@ heating-ventilating units@ or blowers comprising components of such equipment as furnaces@ mechanical-refrigeration equipment@ air conditioners@ or direct current output applications. These requirements do not cover solid state speed controls used with fans intended to be: a) Used in hazardous locations as defined in the National Electrical Code@ ANSI/NFPA 70; b) Installed over solvents or chemically flammable liquids or vapors; or c) Located in chemically corrosive environments.

UL 1917 BULLETIN-2011 history

• 2017 UL 1917 BULLETIN-2017 UL Standard for Safety Solid-State Fan Speed Controls (COMMENTS DUE: September 18@ 2017)
• 2013 UL 1917 BULLETIN-2013 UL Standard for Safety Solid-State Fan Speed Controls (COMMENTS DUE: April 22@ 2013)
• 2013 UL 1917-2013 UL Standard for Safety Solid-State Fan Speed Controls (Fourth Edition; Reprint with Revisions Through and Including October 4@ 2017)
• 2012 UL 1917 CRD-2012 UL Standard for Safety Solid-State Fan Speed Controls - Subject: Abnormal Switching Test - Requirements for controls using electronic triggering techniques@ such as zero-crossing switching@ to switch the control’s output switching device (Edition 3: Febru
• 2012 UL 1917 BULLETIN-2012 UL Standard for Safety Solid-State Fan Speed Controls (COMMENTS DUE: December 19@ 2012)
• 2011 UL 1917 BULLETIN-2011 UL Standard for Safety Solid-State Fan Speed Controls (COMMENTS DUE: September 28@ 2011)
• 2006 UL 1917 BULLETINS-2006 CSDS 12/15/2006 (2p)
• 2006 UL 1917 BULLETIN-2006 UL Standard for Safety Solid-State Fan Speed Controls
• 2003 UL 1917-2003 UL Standard for Safety Solid-State Fan Speed Controls (Third Edition; Reprint with Revisions Through and Including February 05@ 2007)
• 2002 UL 1917 PROPOSED-2002 (Draft)(DRAFT) UL Standard for Safety Solid State Fan Speed Controls Proposed Third Edition; Comments Due November 4, 2002
• 2002 UL 1917 BULLETINS-2002 6/28/2002 (62p)
• 2002 UL 1917 BULLETIN-2002 UL Standard for Safety Solid-State Fan Speed Controls
• 1994 UL 1917-1994 UL Standard for Safety Solid-State Fan Speed Controls (Second Edition; Reprint with Revisions Through and Including June 26@ 1996)