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BS 137-2:1973

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Insulators of ceramic material or glass for overhead lines with a nominal voltage greater than 1000 V Requirements
Available format(s)

Hardcopy , PDF

Superseded date

03-15-1997

Language(s)

English

Published date

10-08-1973

Co-operating organizations
Foreword
Specification
1 Scope
2 Definitions
3 Materials, workmanship and finish
4 Design and construction
5 Mechanical loads
6 Ball and socket couplings for string insulator units
7 Screw threads of pin insulators
Appendices
A Selection and application of the line insulators
B Dimensions of pin and line post insulator heads
   reflecting current British practice
C Dimensional and mechanical characteristics of string
   insulator units of the cap and pin type either with
   ball and socket couplings or with clevis and tongue
   couplings
Tables
1 Minimum failing loads
2 Power-frequency and impulse withstand voltages
3 Recommended test voltages and radio interference
   noise limits
4 Specified values of mechanical and dimensional
   characteristics for string insulator units with ball
   and socket couplings
5 Specified values of mechanical and dimensional
   characteristics for string insulator units with
   clevis and tongue couplings
Figures
1 Gauge for screw threads of pin insulators for use
   with pins with small steel heads
2 Gauge for screw threads of pin insulators for use
   with pins with large steel heads
3 Head of porcelain insulator normally used on 11 kV
   lines
4 Head of porcelain insulator normally used on 33 kV
   lines

Materials, workmanship, finish, design and construction. Mechanical loads (minimum failing loads), ball and socket couplings for string insulator units, screw threads for pin insulators. Appendices on selection and application and dimensions of pin and line post insulator heads.

Committee
PEL/36
DocumentType
Standard
Pages
26
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

BS 3288-2:1977 Specification for insulator and conductor fittings for overhead power lines. Dimensions
ESI 43-93 : ISSUE 3 AMD 2 LINE INSULATORS
BS 4996:1973 Specification for line traps for power line carrier systems
BS EN 61325:1996 Insulators for overhead lines with a nominal voltage above 1000 V. Ceramic or glass insulator units for d.c systems. Definitions, test methods and acceptance criteria
BS 7354:1990 Code of practice for design of high-voltage open-terminal stations
BS 3288-3:1989 Insulator and conductor fittings for overhead power lines Dimensions of ball and socket couplings of string insulator units
BS 137-1:1982 Insulators of ceramic material or glass for overhead lines with a nominal voltage greater than 1000 V Methods of test

IEC 60305:1995 Insulators for overhead lines with a nominal voltage above 1000 V - Ceramic or glass insulator units for a.c. systems - Characteristics of insulator units of the cap and pin type
BS 3288-2:1977 Specification for insulator and conductor fittings for overhead power lines. Dimensions
BS 3288-1:1973 Insulator and conductor fittings for overhead power lines Performance and general requirements
IEC 60120:1984 Dimensions of ball and socket couplings of string insulator units

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