Aerial Bunched Cables for working voltages up to and including 1100 V
IS code: IS 14255: 1995
Description
IS 14255:1995 is an Indian Standard titled "Aerial Bunched Cables for Working Voltages up to and Including 1100 V." This standard provides specifications and requirements for aerial bunched cables used for electrical distribution in overhead applications. These cables are designed to carry electrical power for voltages up to 1100 V and are commonly used in rural and urban distribution networks.
Some of the key aspects covered by IS 14255: 1995 include:
1. Scope:
The standard defines the scope and purpose of the specification, which is to establish requirements for aerial bunched cables used for voltages up to 1100 V.
2. Materials:
It specifies the materials used in the construction of these cables, including details about the quality and characteristics of the conductors, insulation, and sheathing.
3. Design and Construction
Guidelines for the design and construction of the aerial bunched cables, including conductor size, insulation material, core configuration, and the overall construction.
4. Electrical Properties:
Specifications for the electrical properties of the cables, including voltage rating, insulation resistance, and capacitance.
5. Testing and Inspection:
Procedures for testing and inspecting the cables to verify their compliance with the standard. This can include tests for electrical and mechanical properties.
Test Required for IS 14255: 1995
Dimensions
Tensile Test
Wrapping test
Conductor Resistance
Tensile Test (before ageing) on Insulation
Breaking Load for Messenger Conductor
Insulation Resistance Test
HV Test (at Room Temp.)
Conclusions:
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