Standard 857, Edition 13
UL 857


UL CSDS Proposal Edition 13 Published Date: October 27, 2009 Last Revision: April 09, 2021

Summary of Topics b0857_13_20091027_sum.html

Subject 857

Bulletin Dated: October 27, 2009


The following changes in requirements to the Standard for Busways, UL 857, are being proposed for preliminary review and comment only:

1. For Preliminary Review Only: Replace References to "Lighting Fixtures" in Clauses and with "Luminaires"

2. For Preliminary Review Only: Add Marking Requirements for Fittings Incorporating Luminaires

3. For Preliminary Review Only: Add Requirements for Continuous Plug-in Busways Used as Alternate to Lighting Track

4. For Preliminary Review Only: Revision of Table 12 (Maximum Temperature Rises)

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