IS 9968 (Part 2) : 2002
Cables - Specification for Elastomer Insulated Cables Part 2 For Working Voltages form 3.3 kV Up to and Including 33 kV
summary
Elastomer insulated cables under this specification are power cables designed for medium to high voltage applications ranging from 3.3 kV to 33 kV. They use elastomeric insulating materials that provide flexibility, high thermal resistance, mechanical strength, and reliable electrical performance in industrial, utility, and infrastructure power transmission systems.
Why BIS Certificate is Mandatory for Specification for Elastomer Insulated Cables Part 2 For Working Voltages form 3.3 kV Up to and Including 33 kV
BIS certification is mandatory to ensure electrical safety, reliability, and performance of elastomer insulated cables used at high voltages. These cables operate under severe electrical and environmental conditions. BIS standards help prevent insulation failure, electrical accidents, fire hazards, and power losses, ensuring safe installation, long service life, and regulatory compliance in India.
What is BIS Certified for Specification for Elastomer Insulated Cables Part 2 For Working Voltages form 3.3 kV Up to and Including 33 kV
The BIS certified specification defines requirements for conductor construction, elastomer insulation, sheath material, voltage rating, electrical characteristics, mechanical strength, thermal endurance, and routine testing. It also covers tests for insulation resistance, high-voltage withstand, aging, and safety, ensuring cables meet Indian Standards for high-voltage power applications.
Test required for Specification for Elastomer Insulated Cables Part 2 For Working Voltages form 3.3 kV Up to and Including 33 kV
| Title | Mandatory/Optional |
|---|---|
| Purity test for Cu | Optional |
| Conductor resistance | Required |
| High voltage test | Required |
| Partial discharge test (for screened cables) | Required |
| Tape | Required |
| Centre & Fillers | Required |
| Braid | Required |
| Separator tape (where applicable) | Required |
| Screening | Required |
| Laying up of cores | Required |
| Binder tape | Required |
| Identification | Required |
| Persulphate test (for tinned Copper) | Required |
| Annealing test (for Copper) | Required |
| Tensile test (for Aluminium) | Required |
| Wrapping test (for Aluminium) | Required |
| Conductor resistance test | Required |
| Dimensions | Required |
| Tensile strength | Required |
| Elongation at break | Required |
| Torsion test for formed wires | Required |
| Uniformity of zinc coating | Required |
| Mass of zinc coating | Required |
| Resistivity | Required |
| Thickness of insulation and sheath and overall diameter | Required |
| Tensile strength and elongation at break of Insulation and Sheath | Required |
| Ageing in air oven | Required |
| Ageing in air bomb | Required |
| Hot set test | Required |
| Oil resistance test | Required |
| Tear resistance test | Required |
| Shrinkage test | Required |
| Hot deformation test | Required |
| Loss of mass in air oven | Required |
| Heat shock | Required |
| Thermal stability | Required |
| Insulation resistance | Required |
| Bending test followed by partial discharge test | Required |
| Dielectric power factor test | Required |
| Heating cycle test followed by partial discharge test | Required |
| Impulse withstand test | Required |
| High voltage test for four hours | Required |
| Flammability test | Required |
| Water absorption test | Required |
| Optional | -- |
| Optional | -- |
Benefits of BIS Certification for Specification for Elastomer Insulated Cables Part 2 For Working Voltages form 3.3 kV Up to and Including 33 kV
1. Enhanced Electrical Safety
BIS certification ensures cables meet strict insulation and voltage withstand requirements, reducing risks of electric shock, short circuits, and fire hazards.
2. Reliable High-Voltage Performance
Certified cables are tested for thermal, mechanical, and electrical stability, ensuring consistent performance under high voltage and heavy load conditions.
3. Long Service Life
BIS standards ensure superior material quality and construction, improving resistance to heat, moisture, chemicals, and mechanical stress.
4. Legal and Regulatory Compliance
BIS certification is compulsory in India, allowing manufacturers and importers to supply cables legally for utilities, industries, and infrastructure projects.
5. Market Trust and Acceptance
BIS-marked cables gain higher acceptance among power utilities, EPC contractors, and consumers, strengthening brand credibility and competitive advantage