Polyvinyl chloride insulated cables and wires and cords of rated voltages up to and including 450/750V —Part 4 : Insulated wires for internal wiring of equipment
1 Scope
This part of JB/T 8734 specifies the service characteristics, type, specification, technical requirements and inspection of insulated wires for internal wiring of equipment.
This part is applicable to copper-cored polyvinyl chloride (PVC) insulated wires for internal wiring of electrical appliances, instruments, electronic equipment and automation devices of AC rated voltage U0/U up to and including 300/300V.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 2951.11-2008 Common Test Methods for Insulating and Sheathing Materials of Electric and Optical Cables - Part 11: Methods for General Application - Measurement of Thickness and Overall Dimensions - Tests for Determining the Mechanical Properties
GB/T 2951.12-2008 Common Test Methods for Insulating and Sheathing Materials of Electric and Optical Cables - Part 12: Methods for General Application - Thermal Ageing Methods
GB/T 2951.13-2008 Common Test Methods for Insulating and Sheathing Materials of Electric and Optical Cables - Part 13: Methods for General Application - Measurement for Determining the Density - Water Absorption Tests - Shrinkage Test
GB/T 2951.14-2008 Common Test Methods for Insulating and Sheathing Materials of Electric and Optical Cables - Part 14: Methods for General Application - Test at Low Temperature
GB/T 2951.31-2008 Common Test Methods for Insulating and Sheathing Materials of Electric and Optical Cables - Part 31: Methods Specific to PVC Compounds - Pressure Test at High Temperature - Test for Resistance to Cracking
GB/T 2951.32-2008 Common Test Methods for Insulating and Sheathing Materials of Electric and Optical Cables - Part 32: Methods Specific to PVC Compounds - Loss of Mass Test - Thermal Stability Test
GB/T 5023.2-2008 Polyvinyl Chloride Insulated Cables of Rated Voltages Up to and Including 450/750V - Part 2: Test Methods
GB/T 18380.12-2008 Test on Electric and Optical Fibre Cables under Fire Conditions - Part 12: Test for Vertical Flame Propagation for a Single Insulated Wire or Cable - Procedure for 1KW Pre-mixed Flame
GB/T 18380.22-2008 Tests on Electric and Optical Fibre Cables under Fire Conditions - Part 22: Test for Vertical Flame Propagation for a Single Small Insulated Wire or Cable - Procedure for Diffusion Flame
JB/T 8734.1-2016 Polyvinyl Chloride Insulated Cables and Wires and Cords of Rated Voltages Up to and Including 450/750V - Part 1: General Requirements
3 Service Characteristics
3.1 The rated voltage U0/U of wire is 300/300V.
3.2 The long-term allowable operating temperature of AV-90 and AVR-90 wires shall not exceed 90℃ and that for other types shall not exceed 70℃.
Foreword i
1 Scope
2 Normative References
3 Service Characteristics
4 Type
5 Specification
6 Technical Requirements
6.1 General Provisions
6.2 Conductor
6.3 Insulation
6.4 Insulated Wire Core Cabling
6.5 Sheath
6.6 Outside Diameter or Boundary Dimension
7 Inspection
Table 1 Types and Names
Table 2 Specification
Table 3 AV and AV-90 300/300V Copper-cored PVC Insulated Wires for Internal Wiring of Equipment
Table 4 AVR and AVR-90 300/300V Copper-cored PVC Insulated Cords for Internal Wiring of Equipment
Table 5 AVRB 300/300V Flat Copper-cored PVC Insulated Cords for Internal Wiring of Equipment
Table 6 AVRS 300/300V Twisted Copper-cored PVC Insulated Cords for Internal Wiring of Equipment
Table 7 AVVR 300/300V Copper-cored PVC Insulated and Sheathed PVC cords for Internal Wiring of Equipment
Table 8 Inspection
