BS 6709:1986
Current
The latest, up-to-date edition.
Specification for interconnection of electrical apparatus, constructed to two or more British Standards, for use in mines susceptible to firedamp
Hardcopy , PDF
English
31-07-1986
Foreword
Committees responsible
Specification
Section one. General
1.0 Introduction
1.1 Scope
Section two. Flameproof interconnected apparatus
2.1 General
2.2 Design and construction
2.3 Verification and tests
2.4 Documentation
2.5 Marking
Section three. Interconnected apparatus with mixed
types of protection excluding intrinsic
safety
3.1 General
3.2 Design and construction
3.3 Verification and tests
3.4 Documentation
3.5 Marking
Section four. Apparatus comprising intrinsically safe
circuits interconnected within
protective enclosures
4.1 General
4.2 Design and construction
4.3 Verification and tests
4.4 Documentation
4.5 Marking
Section five. Interconnected intrinsically safe
systems
5.1 General
5.2 Design and construction
5.3 Verification and tests
5.4 Documentation
5.5 Marking
Appendices
A The registered mark for flameproof apparatus
B Methods of legible and durable marking
C Example of interconnection of type d and type e
apparatus
Figures
1 Registered mark for flameproof apparatus
2 Interconnection of type d and type e apparatus
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.