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Standard 823, Edition 9

Standard for Electric Heaters For Use in Hazardous (Classified) Locations

UL CSDS Proposal
Standard 823, Edition 9 Edition Date: January 17, 2007
Summary of Topics b0823_9_20070117_sum.html

Subject 823

Bulletin Dated: January 17, 2007


The following changes in requirements are being proposed:

1. For Preliminary Review Only: Revision to the requirements for NPT male threads to harmonize with the requirements in UL 1203

2. For Preliminary Review Only: Addition of requirements for supplemental external grounding or bonding terminals

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