UL 857 BULLETIN-2010
SUMMARY OF TOPICS The following changes in requirements to the Standard for Busways, UL 857, are being proposed: 1. Replace References to “Lighting Fixtures“ in Clauses 2.3.4.4.1 and 7.1.1.22 with “Luminaires“ 2. Add Marking Requirements for Fittings

Standard No.

UL 857 BULLETIN-2010

Release Date

2010

Published By

Underwriters Laboratories (UL)

Status

Be replaced 2011-01

Replace By

UL 857 BULLETIN-2011

Latest

UL 857-2021

Scope

The following changes in requirements to the Standard for Busways, UL 857, are being proposed: 1. Replace References to “Lighting Fixtures“ in Clauses 2.3.4.4.1 and 7.1.1.22 with “Luminaires“ 2. Add Marking Requirements for Fittings Incorporating Luminaires 3. Add Requirements for Continuous Plug-in Busways Used as Alternate to Lighting Track 4. Revision of Table 12 (Maximum Temperature Rises)

UL 857 BULLETIN-2010 history

• 1970 UL 857-2021 Busways
• 2018 UL 857 BULLETIN-2018 UL Standard for Safety Busways
• 2015 UL 857 BULLETIN-2015 UL Standard for Safety Busways (COMMENTS DUE: July 24@ 2015)
• 2011 UL 857 BULLETIN-2011 UL Standard for Safety Busways (COMMENTS DUE: February 21@ 2011)
• 2010 UL 857 BULLETIN-2010 SUMMARY OF TOPICS The following changes in requirements to the Standard for Busways, UL 857, are being proposed: 1. Replace References to “Lighting Fixtures“ in Clauses 2.3.4.4.1 and 7.1.1.22 with “Luminaires“ 2. Add Marking Requirements for Fittings
• 2009 UL 857 BULLETIN-2009 UL Standard for Safety Busways (COMMENTS DUE: November 25@ 2009)
• 2009 UL 857-2009 Busways
• 2008 UL 857 BULLETIN-2008 UL Standard for Safety Busways (COMMENTS DUE: December 22@ 2008)
• 2006 UL 857 BULLETINS-2006 Busways and Associated Fittings / Note: Approved
• 2006 UL 857 BULLETIN-2006 UL Standard for Safety Busways
• 2005 UL 857 BULLETINS-2005 Busways
• 2005 UL 857 BULLETIN-2005 UL Standard for Safety Busways
• 2001 UL 857-2001 Busways
• 1994 UL 857-1994 Busways and associated fittings