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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: March 30, 2007
Summary of Topics b0823_9_20070330_sum.html

Subject 823

Bulletin Dated: March 30, 2007


The following changes in requirements are being proposed:

1. Revision to the requirements for NPT male threads to harmonize with the requirements in UL 1203

2. Addition of requirements for supplemental external grounding or bonding terminals

Back to Standard 823, Edition 9

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