ITEM NAME : Different Types of Electrical Cables

Application  of  different types of electrical cables

These cables are used for electricity supply in low voltage installation system,
They are suitable for installation in indoors and outdoors, in cable ducts, under ground, in power
and switching stations, local energy distributions, industrial plants, where there is no risk of
mechanical damage.
 

Construction of  different types of electrical cables

Conductors

The conductors shall be either of Class 1 or Class 2 of plain or metal-coated annealed copper
or of plain aluminium or aluminium alloy, or of Class 5 of plain or metal-coated copper in
accordance with IEC 60228.

Insulation

XLPE material and thickness shall be as per IEC 60502 or BS 5467 rated for 90C continuous operation.

Colour Code

Colour Code (1)

Colour Code (2)

 Assembly /Inner Covering 

The inner coverings may be extruded or lapped. For cables with circular cores, except cables with
more than five cores, a lapped inner covering shall be permitted only if the interstices between the
cores are substantially filled. A suitable binder is permitted before application of an extruded inner
covering. The material is compatible with the insulating material,The materials used for inner
coverings and fillers shall be suitable for the operating temperature of the cable and compatible
with the insulating material.For halogen free cables, the inner covering and fillers shall also be
halogen free compound.

Armour

Aluminum/galvanized steel/steel wires applied helically over the Inner Covering as per IEC 60502-1,
or double aluminum/steel tapes and copper/tinned copper wire can also be manufactured upon request.

Outer Sheath

Outer sheath shall be of extruded PVC Type ST1/ST2 as per IEC 60502-1, Polyethylene type
ST3/ST7, Halogen free compound ST8, Polychloroprene, chlorosulfonated polyethylene or similar
polymers, type SE1 are also available on request.
 

Fire Performance of Cable Sheaths

Cables can be supplied with special flame retardant PVC outer sheath to comply with the flame
test requirements of IEC 60332-3-22, IEC 60332-3-23 and IEC 60332-3-24, Halogen Free material
comply to IEC60754-1/2 and IEC 60684-2.
 

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1.18 years manufacturing experience

2.Professional international trade team

3.Delivery on time

4.Factory low price and high quality based on advanced technology and high work efficiency
 

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