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Control Cable |
PARAMETERS |
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Voltage : |
These cables can be used on AC voltage up to &
Including 1100 V or DC up to & including 1500 V. |
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Size : |
1.5 Sq.mm. & 2.5 Sq.mm. upto 61 Cores |
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Conductor: |
Annealed Bare Electrolytic Copper/ Aluminum
Conductor conforming to IS:8130:1984. |
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Insulation: |
Conductors are insulated with PVC Compound as per
IS:5831:1984. |
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Colour of Cores: |
Cores are identified with a colour scheme as per
IS:1554 (pt-1):1988 as under |
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2 Cores |
- Red & Black |
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3 Cores |
- Red, Yellow & Blue |
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3½ & 4 Cores |
- Red, Yellow, Blue & Black.
(Reduced Neutral Core in case of 3½ Core). |
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5 Cores |
- Red, Yellow, Blue, Black and Grey |
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In case of cable exceeding five cores, two adjacent
(counting and direction cores) in each layer shall
be colored Blue, Yellow and remaining cores grey, or
identification by numbers printed over insulation as
per IS:1554 (pt-1):1988 |
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Laying of Cores: |
Cores are laid up with a suitable lay. The final
layer direction shall be kept right hand lay. |
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Inner Sheath: |
The Inner Sheath is applied over laid up of cores by
extrusion / wrapping of thermoplastic material. |
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Armouring: |
It is applied over
inner sheath. It may consist of galvanized Round
Steel wires or galvanized Flat Steel Strips
conforming to IS 3975. Round Wire armouring is
provided, where the calculated diameter under armour is 13.0 mm. Above this, armouring is either
round wire/steel strip. |
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Outer Sheath |
A final covering of PVC Compound, conforming to
IS:5831:1984, is applied over Armouring in case of
Armoured Cable or over Inner Sheath in case of
Unarmoured cable, called as “Outer Sheath”. The
Insulation, Inner Sheath or Outer Sheath can be HR
PVC, FRLS PVC or FRHF Compound , depending upon
their application. |
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CROSS SECTIONAL
DIAGRAM |
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As per IS:1554
(Part-1):1988 |
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For
more detail please click here. |
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