Power and Control Cables

ATC make Power and control cables as per IS 1554:1988, which pertains to PVC Insulated (Heavy Duty) Electric Cables for working voltages up to and including 1100 volts:

1. Scope:

    • This standard covers requirements and tests for armoured and unarmoured single-core, twin-core, three-core, and multi-core PVC insulated and sheathed cables.
    • These cables are used for electric supply and control purposes.

2. Construction and Features

      • Conductor Material: The conductors can be made f aluminium or copper.
      • Conductor Construction: Conductor types include solid (Class 1) or stranded (Class 2).
      • Number of Cores: The cables can have single-core to multicore configurations.
      • Insulation Type: The insulation can be either Type A or Type C.
      • Sheath Type: The outer sheath is classified as ST1 or ST2.
      • Armoured/Unarmoured: These cables can be armoured or unarmoured.

3. Operating Voltage:

    • These cables may be operated continuously at a power frequency voltage up to 10 percent higher than the rated voltage.

4. Short Circuit Ratings:

      • The short circuit ratings of cables covered by this standard are under preparation.

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