BS 4808-1:1972

Co-operating organizations
Foreword
Specification
1 Scope
2 Cable and wire construction and dimensions
2.1 Conductor
2.2 Insulation
2.3 Equipment wires and cabling elements
2.4 Lay-up of cabling elements
2.5 Fillers and binders
2.6 Screens
2.7 Manufacturer's identification
2.8 Rip cords
2.9 Sheath
3 Tests
3.1 Mechanical tests
3.1.1 Tensile strength of jointed solid conductor
3.1.2 Measurement of insulation thickness
3.1.3 Measurement of sheath thickness
3.2 Thermal requirement
3.2.1 Shrinkage of insulation
3.2.2 Flammability
3.2.3 Thermal endurance on insulated conductors
3.3 Electrical requirements
3.3.1 Electrical resistance of conductor
3.3.2 Spark test
3.3.3 Voltage tests
3.3.4 Insulation resistance tests
3.3.5 Surface resistivity test on black ink
4 Ordering information
4.1 Equipment wires
4.2 Cables

Gives the general requirements and test methods for a range of low frequency cables and equipment wires for use inside telephone exchanges and for the internal wiring of electronic and other equipment.