Polyvinyl chloride insulated cables and wires and cords of rated voltages up to and including 450/750V — Part 2：Insulated cables and wires for fixed wiring
1 Scope
This part of JB/T 8734 specifies the service characteristics, types and specification, technical requirements and testing of insulated cables and wires for fixed wiring.
This part is applicable to copper-cored or aluminum-cored polyvinyl chloride insulated cables and wires for fixed wiring of power unit with the AC rated voltage U0/U up to and including 450/750V.
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 2951.14-2008 Common Test Methods for Insulating and Sheathing Materials of Electric and Optical Cables—Part14: 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 3956-2008 Conductors of Insulated Cables
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
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 voltages U0/U of cables and wires are 450/750V and 300/500V.
3.2 The long-term allowable operating temperature of all types of cables and wires shall not exceed 70℃.
Foreword i
1 Scope
2 Normative References
3 Service Characteristics
4 Types
5 Specification
6 Technical Requirements
6.1 General
6.2 Conductor
6.3 Insulation
6.4 Insulated Core Cabling
6.5 Sheath
6.6 Boundary Dimension
7 Testing
Table 1 Types and Name
Table 2 Specification
Table 3 Type BV 300/500V Copper-cored PVC Insulated Wires
Table 4 Type BLV 450/750V Aluminum-cored PVC Insulated Cables
Table 5 Type BVR 450/750V Copper-cored PVC Insulated Flexible Cables
Table 6 Types BVV and BLVV 300/500V Copper-cored and Aluminum-cored PVC Insulated and PVC Sheathed Round Cables
Table 7 Types BVVB and BLVVB 300/500V Copper-cored and Aluminum-cored PVC Insulated and PVC Sheathed Flat Cables
Table 8 Testing
