![header thumbnail](/images/publishers\bsi_cover.gif)
BS EN 60079-25:2010
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
![header thumbnail](/images/publishers\bsi_cover.gif)
Explosive atmospheres Intrinsically safe electrical systems
Hardcopy , PDF
30-09-2022
English
30-11-2013
FOREWORD
1 Scope
2 Normative references
3 Terms, definitions and abbreviations
4 Descriptive system document
5 Grouping and classification
6 Levels of protection
7 Ambient temperature rating
8 Interconnecting wiring/cables used in an intrinsically safe
electrical system
9 Requirements of cables and multi-core cables
10 Termination of intrinsically safe circuits
11 Earthing and bonding of intrinsically safe systems
12 Protection against lightning and other electrical surges
13 Assessment of an intrinsically safe system
14 Marking
15 Predefined systems
Annex A (informative) - Assessment of a simple intrinsically
safe system
Annex B (normative) - Assessment of circuits with more than one
source of power
Annex C (informative) - Interconnection of non-linear and linear
intrinsically safe circuits
Annex D (normative) - Verification of inductive parameters
Annex E (informative) - A possible format for descriptive systems
drawings and installation drawings
Annex F (informative) - Surge protection of an intrinsically safe
circuit
Annex G (normative) - Testing of cable electrical parameters
Annex H (informative) - Use of simple apparatus in systems
Annex I (normative) - FISCO systems
Bibliography
Annex ZA (normative) - Normative references to international
publications with their corresponding European
publications
Annex ZZ (informative) - Coverage of essential requirements of the
directive 94/9/EC
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.