UL 121203-2011 PDF

Scope: this standard is to provide guidance for the use of selected general-purpose portable electronic products in certain hazardous (classified) locations and is primarily intended for use by an owner/operator of the Hazardous Classified Location. This standard does not apply to products that are powered by premises wiring or connected to a communication line during use in the hazardous (classified) location. Purpose The purpose of this standard is to provide guidance for the use of selected general-purpose portable electronic products in certain hazardous (classified) locations and is primarily intended for use by an owner/operator of the Hazardous Classified Location. This standard does not address other considerations involving the use of portable electronic products which may result in these devices being considered unsafe due to creation of a distraction from important work tasks or radio frequency interference with measurement and control equipment. NOTE Portable and battery powered equipment is often unavailable as listed or labeled for use in classified locations due to: Rapidly changing technology Limited market Time consuming testing Product upgrading As a result@ additional requirements are needed to take advantage of this technology in a hazardous (classified) location in a safe and workable manner.

UL 121203-2011 history

2019 UL 121203 BULLETIN-2019 UL Standard for Safety Portable/Personal Electronic Products Suitable for Use in Class I@ Division 2@ Class I@ Zone 2@ Class II@ Division 2@ Class III@ Division 1@ Class III@ Division 2@ Zone 21 and Zone 22 Hazardous (Classified) Locations (COMMENTS DUE:
2018 UL 121203 BULLETIN-2018 UL Standard for Safety Portable Electronic Products Suitable for Use in Class I and II@ Division 2@ Class I@ Zone 2 and Class III@ Division 1 and 2 Hazardous (Classified) Locations (COMMENTS DUE: MAY 14@ 2018)
2015 UL 121203 BULLETIN-2015 UL Standard for Safety Portable Electronic Products Suitable for Use in Class I and II@ Division 2@ Class I@ Zone 2 and Class III@ Division 1 and 2 Hazardous (Classified) Locations (COMMENTS DUE: OCTOBER 19@ 2015)
2011 UL 121203-2011 UL Standard for Safety Portable Electronic Products Suitable for Use in Class I and II@ Division 2@ Class I@ Zone 2 and Class III@ Division 1 and 2 Hazardous (Classified) Locations (First Edition; Reprint with Revisions Through and Including December 14@
1970 UL 121203-1970 Standard for Portable Electronic Products Suitable for Use in Class I and II, Division 2, Class I, Zone 2 and Class III, Division 2 and 2 Hazardous (Classified) Locations