ISA RP12.12.03

W/D S/S BY ISA 12.12.03

This recommended practice applies to both body worn and handheld portable electronic products for use in Class I, and II,Division 2, Class I, Zone 2, and Class III, Division 1 and 2Hazardous (Classified) Locations which are not available listed orlabeled for hazardous (classified) locations.

This recommended practice does not apply to products that arepowered by premises wiring or connected to a communication lineduring use in the hazardous (classified) location.

Purpose

The purpose of this recommended practice is to provide guidancefor the use of general-purpose portable electronic products incertain hazardous (classified) locations.

This recommended practice does not address other considerationsinvolving the use of portable electronic products which may resultin these devices being considered unsafe due to creation of adistraction from important work tasks or radio frequencyinterference with measurement and control equipment.

NOTE Portable and battery powered equipment is often unavailableas listed or labeled for use in classified locations due to:

• Rapidly changing technology

• Limited market

• Time consuming testing

• Product upgrading

As a result, additional guidance is needed to take advantage ofthis technology in a hazardous (classified) location in a safe andworkable manner.

Edition:

02

Published:

05/10/2002

Number of Pages:

26

File Size:

1 file , 200 KB