This report specifies requirements for the construction, assessmentand testing of electricalapparatus with type of protection “n” which, when operating normallywithin its rated duty, isunlikely to be capable of igniting a surrounding explosive gasatmosphere.
This report specifies the features of apparatus which shall beassessed to achieve a satisfactorylevel of safety for electrical apparatus for use in Zone 2.
This report applies only to Group II electrical apparatus intended foruse in locations withexplosive gas atmospheres other than in mines subject to firedamp.
The requirements of ANSI/ISA-60079-0 do not apply to electricalapparatus with type of protection”n” unless otherwise specified in this document.
NOTE 1 – This report does not prohibit the use of electrical apparatuscomplying with therequirements of a recognized standard for industrial electricalapparatus which does not in normalservice produce arcs or sparks or ignition-capable hot surfaces. (SeeIEC Publication 79-14.)
NOTE 2 – This report is worded in the mandatory form because it wasintended to be a “Standard”. Itis up to each National Committee, when drafting a similar documentbased on this report, to decidewhich form of wording to use in their national standard or report.
- Edition:
- 03
- Published:
- 05/05/2003
- ANSI:
- ANSI Approved
- Number of Pages:
- 60
- File Size:
- 1 file , 490 KB
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