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ISA RP12.06.01

Recommended Practice for Wiring Methods for Hazardous (Classified) Locations Instrumentation Part 1: Intrinsic Safety

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Organization: ISA
Publication Date: 1 January 2003
Status: active
Page Count: 60
scope:

This recommended practice provides guidance to those who design, install, and maintain intrinsically safe systems for hazardous (classified) locations.

This recommended practice should be used in conjunction with nationally recognized codes that cover wiring practices - such as the National Electrical Code ® (NEC ®), ANSI/NFPA 70, and the Canadian Electrical Code (CEC) Part I, CSA C22.1.

This recommended practice is not intended to:

a) include guidance for designing, testing, or repairing intrinsically safe or associated apparatus; or

b) apply to the use of portable equipment, except as shown on the control drawing.

Purpose

This recommended practice is intended to promote the uniform installation of intrinsically safe systems for hazardous (classified) locations. Information is provided to clarify and explain the requirements of Articles 504 and 505 of the National Electrical Code ® (NEC ®) ANSI/NFPA 70. (For further information, see Annex A.)

Document History

ISA RP12.06.01
January 1, 2003
Recommended Practice for Wiring Methods for Hazardous (Classified) Locations Instrumentation Part 1: Intrinsic Safety
This recommended practice provides guidance to those who design, install, and maintain intrinsically safe systems for hazardous (classified) locations. This recommended practice should be used in...
ISA RP12.06.01
January 1, 1995
Wiring Practices for Hazardous (Classified) Locations Instrumentation Part 1: Intrinsic Safety
A description is not available for this item.

References

This document references:
IEC 60079-10-1 - Explosive atmospheres - Part 10-1: Classification of areas - Explosive gas atmospheres
Published by IEC on December 1, 2020
This part of IEC 60079 is concerned with the classification of areas where flammable gas or vapour hazards may arise and may then be used as a basis to support the proper design, construction,...
This document references:
ISA 12.12.01 - Nonincendive Electrical Equipment for Use in Class I and II, Division 2 and Class III, Divisions 1 and 2 Hazardous (Classified) Locations
Published by ISA on November 17, 2015
Applicable to Class I and II, Division 2 and Class III, Divisions 1 and 2 locations This standard applies only to equipment, circuits, and components for use in Class I and II, Division 2 and Class...
This document references:
NFPA 70 - National Electrical Code
Published by NFPA on March 10, 2020
A description is not available for this item.
This document is referenced by:
CSA C22.1I CE CODE - CE Code Interactive - Electronic Resource that Links the 2012 Canadian Electrical Code, Part I and CE Code Handbook
Published by CSA on January 1, 2012
This Code covers all electrical work and electrical equipment operating or intended to operate at all voltages in electrical installations for buildings, structures, and premises, including...
This document is referenced by:
ISA 92.04.01 P1 - Performance Requirements for Instruments Used to Detect Oxygen-Deficient/Oxygen-Enriched Atmospheres
Published by ISA on January 1, 2007
This Standard addresses the details of construction, performance, and testing of portable, mobile, and stationary electrical instruments used to provide a warning of the presence of oxygen-deficient...
This document is referenced by:
API RP 14FZ - Recommended Practice for Design, Installation, and Maintenance of Electrical Systems for Fixed and Floating Offshore Petroleum Facilities for Unclassified and Class I, Zone 0, Zone 1, and Zone 2 Locations
Published by API on May 1, 2013
This document recommends minimum requirements and guidelines for the design, installation, and maintenance of electrical systems on fixed and floating petroleum facilities located offshore. For...
This document is referenced by:
ISA MAIN INSTR SYS - Maintenance of Instruments and Systems
Published by ISA on January 1, 2005
Overview The Maintenance volume is key to the Practical Guides Series and certainly a key to the profitability of companies through ensuring that the control system is maintained so the plant can...
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