GB/T 5023.3-2008Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V -- Part 3: Non-sheathed cables for fixed wiring (English PDF)

0.0040 Mohm·km was changed into 0.0043 Mohm·km; while 50mm2 corresponding

minimum insulation resistance of 0.0045 Mohm·km was changed into 0.0043

Mohm·km.

This Part was proposed by China Electrical Equipment Industrial Association.

Polyvinyl Chloride Insulated Cables of Rated Voltages

up to and Including 450/750V – Part 3.Non-Sheathed

Cables for Fixed Wiring

1.1 Scope

This Part of GB/T 5023 details the particular specifications for polyvinyl chloride

insulated single-core non-sheathed cables for fixed wiring and rated voltages up to

and including 450/750V.

All cables shall comply with the appropriate requirements given in GB/T 5023.1, and

the individual types of cables shall each comply with the particular requirements of

this Part.

1.2 Normative references

The following normative documents contain provisions which, through reference in

this text, constitute provisions of this part of GB/T 5023.For dated references, the

subsequent amendments (excluding corrigendum) or revisions do not apply to this

Part, however, parties who reach an agreement based on this Part are encouraged to

study if the latest versions of these documents are applicable. For undated references,

the latest edition of the referenced document 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 (IEC 60811-1-1.2001, IDT)

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 (IEC 60811-1-2.1985, IDT)

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 (IEC 60811-1-4.1985, IDT)

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 Anti-Crack (IEC

60811-3-1.1985, IDT)

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 (IEC 60811-3-2.1985,

IDT)

GB/T 3956-1997 Conductors Of Insulated Cables (idt IEC 60228.1978)

GB/T 5023.1 Polyvinyl Chloride Insulated Cables of Rated Voltages up to and

Including 450/750V - Part 1.General Requirements (GB/T 5023.1-2008, IEC

60227-1.2007, IDT)

GB/T 5023.2-2008 Polyvinyl Chloride Insulated Cables of Rated Voltages up to

and Including 450/750V - Part 2.Test Methods (IEC 60227-2.2003, IDT)

GB/T 18380.12-2008 Test on Electric and Optical Fiber Cables under Fire

Conditions - Part 12.Test for Vertical Flame Propagation for a Single Insulated

Wire or Cable (IEC 60332-1-2.2004, IDT)

2.1 Code designation

2.2 Rated voltage

450/750V.

2.3 Construction

2.3.1 Conductor

Number of cores. 1.

The conductors shall comply with the requirements of GB/T 3956-1997.

--- Class 1 for solid conductors;

--- Class 2 for stranded conductors.

2.3.2 Insulation

The extruded insulation shall be polyvinyl chloride compound of Type PVC/C applied

......