Standards & Publications

Browse & Buy UL Standards
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

SUMMARY OF TOPICS

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

Back to Standard 823, Edition 9

The cost to purchase this Standard varies depending on whether you are ordering a hardcopy, PDF or combination of the two. We also offer two different types of subscriptions: a one year and a three year.

You will be able to choose your purchase options on the following pages.

×
×
×
×
×

You have one or more subscriptions that will expire soon.

×

You have one or more licenses to assign

×

Additional information required

To serve you better, please update your account details.

Featured Standards


Recently Published





Revision






















Coming Soon

UL 1008M
Transfer Switch Equipment, Meter-Mounted
First Edition

UL 1660
Liquid-Tight Flexible Nonmetallic Conduit
Revision Pages

UL 4200A
UL Standard for Safety for Products Incorporating Button or Coin Cell Batteries of Lithium Technologies
Revision Pages

ULC 704.1
Thermal Insulation, Polyurethane and Polyisocyanurate, Boards, Faced
Revision Pages

UL 746S
Evaluation of Sustainable Polymeric Materials for use in Electrical Equipment
First Edition

UL 2034
Single and Multiple Station Carbon Monoxide Alarms
New Edition

UL/ULC 2271
Batteries for Use In Light Electric Vehicle (LEV) Applications
New Edition

UL/ULC 2447
Standard for Safety for Containment Sumps, Fittings and Accessories for Flammable & Combustible Liquids
First Edition

UL 62817
Photovoltaic Systems – Design Qualification of Solar Trackers
First Edition
×