Specifies requirements, tests, sizes of zinc-coated steel wires and method of construction of stranded conductors used for power transmission purposes.
Table of contents
Header
About this publication
PREFACE
1 SCOPE AND GENERAL
1.1 SCOPE
1.2 REFERENCED DOCUMENTS
1.3 DEFINITIONS
1.4 NOMENCLATURE
2 MATERIAL REQUIREMENTS AND WIRE PROPERTIES
2.1 GENERAL
2.2 MATERIALS
2.2.1 Steel wire
2.2.2 Grease
2.3 WIRE PROPERTIES
2.3.1 General
2.3.2 Galvanized steel wire
2.3.2.1 General
2.3.2.2 Density
2.3.2.3 Resistivity
2.3.2.4 Constant-mass temperature coefficient of resistance (α20)
2.3.2.5 Modulus of elasticity
2.3.2.6 Coefficient of linear expansion
3 CONDUCTOR REQUIREMENTS
3.1 CONSTRUCTION
3.1.1 General
3.1.2 King wire
3.1.3 Grease
3.2 JOINTS IN WIRES OF CONDUCTORS
3.2.1 General
3.2.2 Conductors containing less than seven wires
3.2.3 Conductors containing seven or more wires
3.3 LAY
3.3.1 Lay ratio
3.3.2 Direction of lay
3.4 STANDARD SIZES AND CALCULATED PROPERTIES OF CONDUCTORS