ISA 12.25.01 : 1998
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
ELECTRICAL APPARATUS FOR USE IN CLASS 1, ZONE 1 HAZARDOUS (CLASSIFIED) LOCATIONS: TYPE OF PROTECTION - POWDER FILLING "Q"
Hardcopy
15-07-2005
English
01-01-1998
General Notes
Foreword (UL)
National Differences
Foreword (ISA)
1 Scope
2 Normative references
3 Definitions
4 Constructional requirements
4.1 Enclosure
4.2 Filling material
4.3 Distances
4.4 Use of materials
4.5 External connections
4.6 Energy storing devices
4.7 Temperature limitations
4.8 Fault conditions
5 Verifications and tests
5.1 Type verifications and tests
5.2 Routine verifications and tests
6 Marking
Annex A (informative) - United States major deviations
Annex B (informative) - Editorial differences between
ANSI/UL 60079-5 and
ANSI/ISA-12.25.01-1998 (IEC 60079-5 Mod)
Annex C (informative) - National differences types noted in
ANSI/UL 60079-5
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.