Customer Support: 131 242

  • There are no items in your cart
We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
Dismiss alert

BS 542:1973

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Specification for cable glands and sealing boxes for association with apparatus for use at mines and quarries
Available format(s)

Hardcopy , PDF

Withdrawn date

08-07-2014

Language(s)

English

Published date

30-03-1973

Co-operating organizations
Foreword
Specification
1 Scope
2 Definitions
3 Voltages
4 Materials
5 Cable glands
6 Clearance and creepage distances
7 Construction of cable sealing boxes
8 Marking
9 Ordering information
Appendices
A Information required when ordering cable glands and
   sealing boxes
B Determination of creepage distances
C Approximate conversions to imperial units
Tables
1 Terminal stems
2 Material properties
3 General data
4 Minimum clearances and creepages in compound
5 Minimum clearances and creepages in air
Figures
1 Cable conductor termination
2 Cable conductor termination

Cable sealing and dividing boxes with cable glands, designed to be filled with solid setting bituminous compound (not sealing boxes filled with oil). Construction, physical properties of insulation materials and minimum electrical creepage distances; clearance distances between bare conductors; details of screwed terminals.

Committee
W/-
DevelopmentNote
Supersedes 71/42537 DC. (08/2005) Inactive for the new design. (11/2011)
DocumentType
Standard
Pages
14
PublisherName
British Standards Institution
Status
Withdrawn

BS 787-4:1972 Specification for mining type flameproof gate-end boxes Gate-end boxes for drilling machines (for use on 3-phase a.c. circuits up to 650 V)
BS 7354:1990 Code of practice for design of high-voltage open-terminal stations
BS 2538:1954 Specification for air-cooled flameproof single-phase lighting transformer units supplied from high voltage systems
BS 787-3:1971 Specification for mining type flameproof gate-end boxes Gate-end boxes with lighting transformers
BS 7019:1989 Specification for fully screened 400 A bolted flameproof cable couplers and adaptors for use on systems up to and including 6.6 kV, primarily for use in mines
BS 5067:1985 Specification for flameproof transformers for use in mines
BS 787-2:1968 Specification for mining type flameproof gate-end boxes Gate-end boxes with air-break circuit-breakers (for use on 3-phase a.c. circuits up to 650 volts)
BS 787-1:1969 Specification for mining type flameproof gate-end boxes Gate-end boxes for direct-on-line motor starting (for use on 3-phase a.c. circuits up to 650 V)

BS 3781(1964) : LATEST METHOD FOR DETERMINING THE COMPARATIVE TRACKING INDEX OF SOLID INSULATING MATERIAL
BS 2873:1969 Specification for copper and copper alloys. Wire
BS 2643:1955 Glossary of terms relating to the performance of measuring instruments
BS 4683-2:1971 Specification for electrical apparatus for explosive atmospheres The construction and testing of flameproof enclosures of electrical apparatus
BS 3840(1965) : LATEST POLYESTER DOUGH MOULDING COMPOUNDS

View more information
$247.06
Including GST where applicable

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.

Need help?
Call us on 131 242, then click here to start a Screen Sharing session
so we can help right away! Learn more