Commercial Garage - Hazardous Locations

SN 9 provides clarification for 29 CFR 1910.307 and 1999 NEC 511-3(b) - determining hazard classification of pits and depressions in commercial garages.

Document Information

Document Number: SN 09A
Effective Date:

Archived Versions

Title File Name Archived Date
SN9.pdf(archived) SN9.pdf

FIS Section

Standards Notices