IS 7098 (Part 1) : 1988
Cables - Specification for Crosslinked Polyethylene Insulated PVC Sheathed Cables Part 1 for working voltages up to and including 1100 V
summary
Crosslinked Polyethylene (XLPE) insulated PVC sheathed cables are low-voltage power cables designed for working voltages up to and including 1100 V. They are used for power distribution in residential, commercial, and industrial installations, offering excellent electrical insulation, thermal resistance, mechanical strength, and long service life.
Why BIS Certificate is Mandatory for Specification for Crosslinked Polyethylene Insulated PVC Sheathed Cables Part 1 for working voltages up to and including 1100 V
BIS certification is mandatory to ensure the safety, reliability, and performance of XLPE insulated PVC sheathed cables. These cables carry electrical power, and substandard quality can cause short circuits, fire hazards, and electrical failures. BIS standards ensure compliance with insulation quality, conductor properties, voltage rating, and fire safety requirements in India.
What is BIS Certified for Specification for Crosslinked Polyethylene Insulated PVC Sheathed Cables Part 1 for working voltages up to and including 1100 V
The BIS certified specification defines technical requirements for XLPE insulated PVC sheathed cables for voltages up to 1100 V. It covers conductor material, insulation thickness, sheathing, electrical and mechanical properties, ageing performance, insulation resistance, high-voltage testing, and marking requirements to ensure safe and reliable power transmission.
Test required for Specification for Crosslinked Polyethylene Insulated PVC Sheathed Cables Part 1 for working voltages up to and including 1100 V
| Title | Mandatory/Optional |
|---|---|
| Annealing test (for copper) | Optional |
| Tensile test ( for Aluminium) | Optional |
| Wrapping test ( for Aluminium) | Optional |
| Resistance test | Optional |
| Purity test for Cu | Optional |
| Test for round steel wire/formed steel wire Armour | Optional |
| Materials | Required |
| Construction of conductor | Required |
| Application of insulation | Required |
| Core identification | Required |
| Laying up of cores | Required |
| Inner sheath covering | Required |
| Armouring | Required |
| Outer Sheath covering | Required |
| Thickness of insulation and sheath | Required |
| Tensile strength and elongation at break without ageing | Required |
| Tensile strength and elongation at break after ageing in air oven | Optional |
| Hot Set test | Optional |
| Shrinkage test | Optional |
| Water absorption (gravimetric) | Optional |
| Tensile strength and elongation at break without ageing | Required |
| Tensile strength and elongation at break after ageing in air oven | Optional |
| Loss of mass in air oven | Optional |
| Shrinkage test | Optional |
| Hot deformation test | Optional |
| Heat shock test | Optional |
| Thermal stability test | Optional |
| Carbon black content | Optional |
| Tensile strength and elongation at break without ageing | Required |
| Tensile strength and elongation at break after ageing in air oven | Optional |
| Hot deformation test | Optional |
| Shrinkage test | Optional |
| Tensile strength and elongation at break without ageing | Required |
| Tensile strength and elongation at break after ageing in air oven | Optional |
| Hot deformation test | Optional |
| Water absorption test (for Type ST8) | Optional |
| Shrinkage test (for type ST12) | Optional |
| Insulation resistance test (volume resistivity) | Required |
| High voltage test | Required |
| Conductor Resistance | Required |
| Flammability test | Optional |
| Cold bend test for outer sheath | -- |
| Cold impact test for outer sheath | -- |
| Cold elongation test for LSHF sheath | -- |
| Resistance test for armour (other than mining cables) | -- |
| Oxygen Index | Optional |
| Flame Retardance Test on single cable | Optional |
| Flame Retardance Test on bunched cable | Optional |
| Test for Halogen acid evolution (for Category C2 & C3) | Optional |
| Smoke Density (for Category C2 & C3) | Optional |
| Temperature index | Optional |
| Test for pH and conductivity (for Category C3) | Optional |
| Test for light transmission (for Category C3) | Optional |
Benefits of BIS Certification for Specification for Crosslinked Polyethylene Insulated PVC Sheathed Cables Part 1 for working voltages up to and including 1100 V
1. Electrical Safety Assurance
BIS certification ensures cables meet prescribed insulation and voltage withstand standards, reducing risks of electric shock, short circuits, and fire hazards.
2. Consistent Quality and Performance
Certified cables are manufactured under controlled standards, ensuring uniform conductor quality, insulation strength, and long-term reliability.
3. Legal Compliance in India
BIS certification is compulsory for power cables, enabling manufacturers and importers to sell products legally without regulatory issues or penalties.
4. Improved Durability and Service Life
BIS-approved cables offer better resistance to heat, moisture, and ageing, ensuring longer operational life in diverse installation conditions.
5. Market Trust and Acceptance
BIS-marked cables gain higher acceptance among utilities, contractors, and consumers, enhancing brand credibility and suitability for government and infrastructure projects.