Author Archives: SilkCables

3 Core Armoured Cable

3 core Armoured Power Cable.

Standard: BS6622/BS7835

Rated voltage: 6.35/11 (12) kV

Impulse voltage: 95 kV

Fire propagation class: BS EN 50266-2-4.

Temperature range: In continuous operation max. conductor temp 90ºC. Lowest cable temperature during installation: -10ºC. Below 0ºC special precautions must be taken.

Bending radius: At laying: 12 x D. When installed: 8 x D
D = Overall diameter of cable

Conductor: Stranded, round and compacted copper acc. to IEC 60228 class 2

Insulation: XLPE, nominal thickness = 3.4 mm

Conductor screen: Extruded

Metallic screen: Metallic layer, copper tape, over each individual core

Insulation screen: Extruded, bonded or strippable

Core identification: Coloured phasetape under screen

Filler: PP yarn

Inner sheath: PVC or PE, black

Armour: Galvanized steel wires

Outer sheath: PVC or halogen free compound, red or black

Electrical data at +20 °C

Current rating

Industrial Cable

STANDARD: BS 7889

VOLTAGE RATING: 600/1000V

Industrial wiring. Can be clipped to surface, on trays or in free air where there is little risk of mechanical damage. Suitable for laying into trunking or conduit etc. when mechanical protection is required. May be embedded in concrete.

CONSTRUCTION: Single core cable. Stranded plain copper conductor, XLPE insulated and PVC sheathed.

CORE COLOURS: Brown or Blue

SHEATH COLOURS: Black. Other colours available to order.

BASEC: Certified

MAXIMUM CONDUCTOR TEMPERATURE: 90°C.
Note: Where a conductor operates at a temperature exceeding 70°C it shall be ascertained that the equipment connected to the conductor is suitable for the conductor operating temperature (see regulation 512-02 of BS7671, the 16th Edition of IEE Wiring Regulations).

CURRENT RATING: Refer to Tables 4E1A & 4E1B in BS7671 or “A Closer Look at Cable”

Energy Cable

STANDARD: BS 5467

VOLTAGE RATING: 1900/3300V (Um 3600V)

APPLICATION: Industrial and mains distribution. Can be laid direct in the ground, or in ducts, clipped to surface, on trays or in free air. May be embedded in concrete.

CONSTRUCTION: Single or Three core cables. Stranded plain copper conductors, XLPE insulated, cores laid up, extruded PVC bedding, galvanised steel wire armoured (Aluminium wires for single cores) and PVC sheathed.

CORE COLOURS:
Single core: Brown.
Three core: Brown, Black and Grey.

SHEATH COLOUR: Black

MINIMUM BENDING RADIUS: 6D circular conductors, 8D Shaped conductors.

MAXIMUM CONDUCTOR TEMPERATURE: 90°C
Note: Where a conductor operates at a temperature exceeding 70°C it shall be ascertained that the equipment connected to the conductor is suitable for the conductor operating temperature (see regulation 512-02 of BS7671, the 16th Edition of IEE Wiring Regulations)

CURRENT RATING: Refer to ERA 69-30 Pt. V or “A Closer Look at Cable”

Reduced Flame Propagation designs and OHLS® sheathed cables to BS 6724 are also available to order.

Multicore Auxilliary Cable

XPLE Insulated, PVC Bedded, Armoured and PVC Sheathed. Multicore Control Cables With Stranded Copper Conductors

STANDARD: BS 5467

VOLTAGE RATING: 600/1000V

APPLICATION: Industrial wiring for remote control and telemetry circuits etc. Can be laid direct in the ground, or in ducts, clipped to surface, on trays or in free air. May be embedded in concrete.

CONSTRUCTION: Multi-core cables. Stranded plain copper conductors, XLPE insulated, cores laid up, extruded PVC bedding, galvanised steel wire armoured and PVC sheathed.

CORE COLOURS: White with Black numerals

SHEATH COLOUR: Black. Other colours available to order.

BASEC: Certified

MINIMUM BENDING RADIUS: 6D

MAXIMUM CONDUCTOR TEMPERATURE: 90°C.
Note: Where a conductor operates at a temperature exceeding 70°C it shall be ascertained that the equipment connected to the conductor is suitable for the conduct or operating temperature (see regulation 512-02 of BS7671, the 16th Edition of IEE Wiring Regulations)

CURRENT RATING: Available upon request.

Reduced Flame Propagation designs are available to order.

XLPE Insulated, PVC Bedded, Armoured and PVC Sheathed Cables With Stranded Copper Conductors

STANDARD: BS 5467

VOLTAGE RATING: 600/1000V

APPLICATION: Industrial wiring and mains distribution. Can be laid direct in the ground, or in ducts, clipped to surface, on trays or in free air. May be embedded in concrete.

CONSTRUCTION: Single, Two, Three, Four and Five core cables. Stranded plain copper conductors, XLPE insulated, cores laid up, extruded PVC bedding, galvanised steel wire armoured (Aluminium wires for single cores) and PVC sheathed.

CORE COLOURS:
Single core: Brown or Blue.
Two core: Brown and Blue.
Three core: Brown, Black and Grey.
Four core: Brown, Black, Grey and Blue.
Five core: Brown, Black, Grey, Green/Yellow and Blue.

SHEATH COLOUR: Black. Other colours available to order.

BASEC: Certified

MINIMUM BENDING RADIUS: 6D circular conductors, 8D shaped conductors

MAXIMUM CONDUCTOR TEMPERATURE: 90°C
Note: Where a conductor operates at a temperature exceeding 70°C it shall be ascertained that the equipment connected to the conductor is suitable for the conductor operating temperature (see regulation 512-02 of BS7671, the 16th Edition of IEE Wiring Regulations).

CURRENT RATING: Refer to tables 4E4A & 4E4B in BS7671 or ERA 69-30 Pt. V or “A Closer Look at Cable”

Cables with reduced Flame Propagation and designs with alternative core identification are available to order.

Heat Resisting PVC Insulated and PVC Sheathed Flexible Cords

STANDARD: BS6500/BS7919.

VOLTAGE RATING: 300/500V.

APPLICATION: General purpose, heat resisting, indoors or outdoors in dry or damp situations. Suitable for portable tools, immersion heaters, washing machines, lawn mowers, refrigerators, especially in higher temperature zones.

CONSTRUCTION: Two, Three or Four core circular flexible cords. Flexible plain copper conductors, heat resisting PVC insulated, cores laid up and heat resisting PVC sheathed.

CORE COLOURS:
Two core: Blue and Brown.
Three core: Green/Yellow, Blue and Brown.
Four core: Green/Yellow, Brown, Black and Grey.

SHEATH COLOUR: White. Other colours available to order.

MINIMUM BENDING RADIUS: 3D (Fixed), 6D (Flexing).

MAXIMUM CONDUCTOR TEMPERATURE: 90ºC.
Note: Where a conductor operates at a temperature exceeding 70ºC it shall be ascertained that the equipment connected to the conductor is suitable for the conductor operating temperature (see regulation 512-02 of BS7671, the 16th Edition of IEE Wiring Regulations).

CURRENT RATING: Refer to Tables 4H3A and 4H3B in BS7671 or “A Closer Look at Cable”

HARMONISED DESIGNATION: H05V2V2-F

PVC Insulated and PVC Sheathed Flat Wiring Cables With Bare CPC

STANDARD: BS 6004

VOLTAGE RATING: 300/500V

APPLICATION: Domestic and light industrial wiring. Can be clipped to surface, on trays or in free air where there is little risk of mechanical damage. Suitable for laying into trunking or conduit etc. when mechanical protection is required. May be embedded in plaster or laid in walls.

CONSTRUCTION: Single, Two or Three core flat cables with an additional uninsulated copper circuit protective conductor. Solid or stranded plain copper conductors. PVC insulated, laid parallel with CPC and PVC sheathed.

CORE COLOURS:
Single core: Brown or Blue.
Two core: Brown and Blue.
Three core: Brown, Black and Grey.

SHEATH COLOUR: Grey

BASEC: Certified

MAXIMUM CONDUCTOR TEMPERATURE: 70°C

CURRENT RATING: Refer to table 4D5A in BS7671 or “A Closer Look at Cable”

General PVC Insulated Wiring Cable

PVC Insulated and PVC Sheathed Single Core Cables continue to be a versatile material for general wiring and power cables. PVC cables are a general purpose thermoplastic with good mechanical and ageing properties.

STANDARD: This PVC cable is manufactured to BS 6004

VOLTAGE RATING: 300/500V

APPLICATION: This PVC cable is suitable for domestic and light industrial wiring. The cable can be clipped to surface, on trays or in free air where there little risk of mechanical damage. PVC cable is also suitable for laying into trunking or conduit etc. when mechanical protection is required. This 6181YH PVC cable may also be embedded in plaster.

CONSTRUCTION: PVC insulated and PVC sheathed Single core PVC wiring cable. Solid or stranded plain copper conductor with PVC insulation and PVC sheathing.

CORE COLOURS: Brown or Blue.

SHEATH COLOURS: Grey. Other colours available to order.

BASEC: Certified

MAXIMUM CONDUCTOR TEMPERATURE: 70°C

CURRENT RATING: Refer to tables 4D1A & 4D1B in BS7671 or “A Closer Look at Cable”

PVC Insulated Non Sheathed Single Core Cables

STANDARD: BS 6004

VOLTAGE RATING: 450/750V (1mm2 300/500V)
When installed in an earthed metal enclosure, cables are suitable for voltages up to 1000V a.c. or up to 750V to earthed.c.

APPLICATION: Industrial wiring, these cables are intended for installing into trunking and conduit. They may also be used inside fixed, protected installation such as light fitting, appliances, switchgear and control gear.

CONSTRUCTION: Single core cable. Solid or stranded plain copper conductor, PVC insulated only.

INSULATION COLOURS: Black, Brown, Yellow†, Blue, Red, Green/Yellow, Grey, Orange, Pink, Turquoise and Violet. White is also available.

BASEC: Certified

MAXIMUM CONDUCTOR TEMPERATURE: 70°C.

CURRENT RATING: Refer to tables 4D1A & 4D1B in BS7671 or “A Closer Look at Cable”