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CONDUCTOR :- Annealed
Bare Electrolytic Copper / Aluminum Conductor conforming to
IS:8130:1984..
INSULATION :-
Conductor are insulated with PVC Compound as per IS:5831:1984.
COLOR OF CORES :- Cores are identified
with a color scheme as per IS:1554(Pt-I):1988 as under
2 Cores -
Red & Black
3 Cores - Red, Yellow & Blue.
3 ½ &
4 Core - Red, Yellow, Blue & Black. (Reduced Neutral Core in
case of 3 ½ Core)
In case of cable exceeding five cores, two
adjacent (counting and direction cores ) in each layer shall be
colored Blue, Yellow and remaining cores gray/Cores can be
identified by numbers by numbers printed on that of same color .
LAYING Of CORES :-Cores are laid up with a
suitable lay. The Final layer direction shall be kept right hand
lay.
INNER SHEATH :-The Inner Sheath is
applied over laid up of cores by extrusion/wrapping of thermoplastic
material.
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
armoring is provided , where the calculated diameter under Armour is
13.0 mm. Above this, armoring is either round wire/steel strip.
OUTER SHEATH :-A final covering of PVC
Compound, conforming to IS:5831:84, is applied over Armoring in case
of Armored Cable or over Inner Sheath in case of Unarmored Cable,
called as "Outer Sheath".
The Insulation, Inner Sheath &
outer sheath can be HR PVC, FRLS PVC or FRHF Compound depending upon
their application.
CURRENT RATING :- e.g.
Current Carrying Capacity of these cables are as per IS:3961{Pt-II)
: 1967.
QUALITY ASSURANCE :- Quality
Standards are built in every Relemac India's product. Relemac India
cables are subjected to a series of required tests in our well
equipped laboratory . Besides the rigid tests and checks at every
stage from raw material through manufacturing stages and finally up
to the finished product .
TYPICAL APPLICATION :- The Control Cables are used under ground as well as over
head transmission of power in power plants, industries, projects and
all other electrical installations. |