Specification-for-instrument-cables.docx

4.0

CABLES DETAIL SPECIFICATION

4.1

Cable Type and Descriptions

4.1.1

Instrumentation and General Process (Flame Retardant Instrument Cable) – Type I2 Multi-pair individually screened cable for use in fixed installation, indoors and outdoors. Cable type

:

I2

Rated voltage

:

150/250V

Construction

:

IEC 60092

Conductors

:

Tinned annealed stranded copper

Insulation

:

Ethylene Polypropylene Rubber (EPR)

Screen

:

Aluminium/PETP tape applied helically with a tinned stranded copper drain wire of 1.0mm2 in contact with PETP tape.

Bedding

:

SHF2

Armour

:

Galvanised steel wire braid

Outer sheath

:

Flame retardant (IEC 60332), SHF2 halogen free

:

Light blue for I.S and Black for Non-I.S

Outer sheath Colour

Cable identification:

4.1.2

As per Section 5.0

No. of pairs 1 2

Min. Conductor size

Core Identification

1.0mm2 1.0mm2

5

1.0mm2

10

1.0mm2

20

1.0mm2

Black and White Black, White and number Black, White and number Black, White and number Black, White and number

each core printed with pair each core printed with pair each core printed with pair each core printed with pair

Instrumentation and General Process (Flame Retardant Instrument Cable) – Type I3 Multi-pair collectively screened cable for use in fixed installation, indoors and outdoors.

Rev G2

Cable type

:

I3

Rated voltage

:

150/250V

Construction

:

IEC 60092

Conductors

:

Tinned annealed stranded copper

Insulation

:

Ethylene Polypropylene Rubber (EPR) Page 1 of 39

Screen

:

Aluminium/PETP tape applied helically with a tinned stranded copper drain wire of 1.0mm2 in contact with PETP tape.

Bedding

:

SHF2

Armour

:

Galvanised steel wire braid

Outer sheath

:

Flame retardant (IEC 60332), SHF2 halogen free

:

Light blue for I.S and Black for Non-I.S

Outer sheath Colour

Cable identification:

4.1.3

As per Section 5.0

No. of pairs 1 2

Min. Conductor size

Core Identification

1.0mm2 1.0mm2

5

1.0mm2

10

1.0mm2

20

1.0mm2

Black and White Black, White and number Black, White and number Black, White and number Black, White and number

each core printed with pair each core printed with pair each core printed with pair each core printed with pair

Instrumentation and General Process (Flame Retardant Instrument Cable) – Type I4 Multi-pair individually and collectively screened cable for use in fixed installation, indoors and outdoors. Cable type

:

I4

Rated voltage

:

150/250V

Construction

:

IEC 60092

Conductors

:

Tinned annealed stranded copper

Insulation

:

Ethylene Polypropylene Rubber (EPR)

Screen

:

Aluminium/PETP tape applied helically with a tinned stranded copper drain wire of 1.0mm2 in contact with PETP tape.

Bedding

:

SHF2

Armour

:

Galvanised steel wire braid

Outer sheath

:

Flame retardant (IEC 60332), SHF2 halogen free

:

Light blue for I.S and Black for Non-I.S

Outer sheath Colour

Cable identification:

Rev G2

As per Section 5.0

Page 2 of 39

4.1.4

No. of pairs 1 2

Min. Conductor size

Core Identification

1.0mm2 1.0mm2

5

1.0mm2

10

1.0mm2

20

1.0mm2

Black and White Black, White and number Black, White and number Black, White and number Black, White and number

each core printed with pair each core printed with pair each core printed with pair each core printed with pair

Fire and Gas, Vital Services and Fire Survival (Fire Resistant and Flame Retardant) – Type F2 Fire survival multi-pair individually screened cable for use in fixed installation, indoors and outdoors. Fire resistant characteristics tested as per IEC 60331. Flame retardant characteristics tested to IEC 60332-3 Category ‘A’ Cable type

:

F2

Rated voltage

:

150/250V

Construction

:

IEC 60092

Conductors

:

Tinned annealed stranded copper

Insulation

:

Mica glass tape primary insulation, Ethylene Polypropylene Rubber (EPR)

Screen

:

Aluminium/PETP tape applied helically with a stranded copper drain wire of 1.0mm2 in contact with PETP tape.

Bedding

:

SHF2

Armour

:

Galvanised steel wire braid

Outer sheath : halogen free

Fire resistant (IEC 60331), Flame retardant (IEC 60332), SHF2

Outer sheath Colour

:

Cable identification:

Rev G2

Light blue for I.S and Black for Non-I.S As per Section 5.0

Page 3 of 39

4.1.5

No. of Pairs 1 2

Min. Conductor size

Core Identification

1.5mm2 1.5mm2

5

1.5mm2

10

1.5mm2

20

1.5mm2

Black and White Black, White and numbers Black, White and numbers Black, White and numbers Black, White and numbers

each core printed with pair each core printed with pair each core printed with pair each core printed with pair

Fire and Gas, Vital Services and Fire Survival (Fire Resistant and Flame Retardant) – Type F3 Fire survival multi-pair collectively screened cable for use in fixed installation, indoors and outdoors. Fire resistant characteristics tested as per IEC 60331. Flame retardant characteristics tested to IEC 60332-3 Category ‘A’ Cable type

:

F3

Rated voltage

:

150/250V

Construction

:

IEC 60092

Conductors

:

Tinned annealed stranded copper

Insulation

:

Mica glass tape primary insulation, Ethylene Polypropylene Rubber (EPR)

Screen

:

Aluminium/PETP tape applied helically with a stranded copper drain wire of 1.0mm2 in contact with PETP tape.

Bedding

:

SHF2

Armour

:

Galvanised steel wire braid

Outer sheath : halogen free

Fire resistant (IEC 60331), Flame retardant (IEC 60332), SHF2

Outer sheath Colour

:

Cable identification:

Rev G2

Light blue for I.S and Black for Non-I.S As per Section 5.0

Page 4 of 39

4.1.6

No. of Pairs 1 2

Min. Conductor size

Core Identification

1.5mm2 1.5mm2

5

1.5mm2

10

1.5mm2

20

1.5mm2

Black and White Black, White and numbers Black, White and numbers Black, White and numbers Black, White and numbers

each core printed with pair each core printed with pair each core printed with pair each core printed with pair

Fire and Gas, Vital Services and Fire Survival (Fire Resistant and Flame Retardant) – Type F4 Fire survival multi-pair individually and collectively screened cable for use in fixed installation, indoors and outdoors. Fire resistant characteristics tested as per IEC 60331. Flame retardant characteristics tested to IEC 60332-3 Category ‘A’ Cable type

:

F4

Rated voltage

:

150/250V

Construction

:

IEC 60092

Conductors

:

Tinned annealed stranded copper

Insulation

:

Mica glass tape primary insulation, Ethylene Polypropylene Rubber (EPR)

Screen

:

Aluminium/PETP tape applied helically with a stranded copper drain wire of 1.0mm2 in contact with PETP tape.

Bedding

:

SHF2

Armour

:

Galvanised steel wire braid

Outer sheath : halogen free

Fire resistant (IEC 60331), Flame retardant (IEC 60332), SHF2

Outer sheath Colour

:

Cable identification:

Rev G2

Light blue for I.S and Black for Non-I.S As per Section 5.0

Page 5 of 39

4.1.7

No. of Pairs 1 2

Min. Conductor size

Core Identification

1.5mm2 1.5mm2

5

1.5mm2

10

1.5mm2

20

1.5mm2

Black and White Black, White and numbers Black, White and numbers Black, White and numbers Black, White and numbers

each core printed with pair each core printed with pair each core printed with pair each core printed with pair

Fire and Gas, Vital Services and Fire Survival (Fire Resistant and Flame Retardant) – Type F8 Fire survival pair collectively screened cable for addressable fire alarm system, indoors and outdoors. Fire resistant characteristics tested as per IEC 60331. Flame retardant characteristics tested to IEC 60332-3 Category ‘A’ Cable type

:

F8

Rated voltage

:

150/250V

Construction

:

IEC 60092

Conductors

:

Tinned annealed stranded copper

Insulation

:

Mica glass tape primary insulation, Ethylene Polypropylene Rubber (EPR)

Screen

:

Aluminium/PETP tape applied helically with a stranded copper drain wire of 1.0mm2 in contact with PETP tape.

Bedding

:

SHF2

Armour

:

Galvanised steel wire braid

Outer sheath : halogen free

Fire resistant (IEC 60331), Flame retardant (IEC 60332), SHF2

Outer sheath Colour

:

Cable identification: No. of Pairs 1

Rev G2

Light blue for I.S and Black for Non-I.S As per Section 5.0

Min. Conductor size

Core Identification

2.5mm2

Black and White

Page 6 of 39

4.1.8

Low Voltage Vital Power Cables (Fire Resistant Type) – Type P5 Stranded, annealed tinned copper conductors, mica glass tape – primary insulation, , galvanised steel wire armoured and extruded LSZH outer sheath or equal, 600/1000V AC grade cable. Flame retardant characteristics tested to IEC 60332-3 Category ‘A’ Fire resistant characteristics tested to IEC 60331 Cable type :

P5

Rated Voltage

:

Conductors :

Circular annealed tinned stranded copper wire to IEC 60228

Insulation :

Mica Glass Tape-Primary Insulation, thermoset

Bedding

:

LSZH, Black Colour

Armour

:

Galvanised steel wire armoured

Outer sheath colour. :

:

600/1000V

Fire resistant, SHF-2, oil resistant as per IEC 60092-359. Black

Indelible red stripe along the length of cable

Cable identification

:

No. of cores 2 (L1,N) or (L1,L2) 3 (L1,L2,L3) 4 (L1,L2,L3,N) 5 and above 4.1.9

As per Section 5.0 Min. Conductor size Core Identification 2.5mm2 Black with numbering ‘1’ and ‘2’ 2.5mm2 Brown, Black, Grey 2.5mm2 Brown, Black, Grey, Blue 2.5mm2 Black number on while sheath

Type T1-Fixed Installation for Telecom Control, Alarm & other mandatory systems. Multipair cable, collective screened, armoured, outersheath, Aluminium foil screen and drain wires.

Polyethylene

insulated,

Cable type

:

T1

Construction

:

Fire resistant to IEC 60331

Voltage Rating

:

100 V (Min)

Conductors

:

High conductivity solid plain annealed copper wire

Insulation

:

Silicon rubber

Drain Wire

:

Tinned Copper

Armour

:

Galvanised steel wire braid

Sheath : Flame retardant, PVC outer sheath. Oxygen index greater than 30 by ASTM D2863-74 test, HCL emission when burned greater than 17% by weight Cable identification

:

The external surface of the outer sheath to be

embossed/printed every 1000mm in English with BS number, cable size, type, voltage grade and manufacturer’s name Rev G2

Page 7 of 39

PVC

not

Core identification

:

To be either colour coded or number system

Outersheath colour

:

Black

No. of pairs 2 5 50

Rev G2

Min. Conductor size 1/0.8 mm 1/0.8 mm 1/0.8 mm

Page 8 of 39

4.1.10

Type T2-Fixed Installation for Telecom Control, Alarm & other mandatory systems. Armoured, Individual pair, Silicon rubber insulated, Colour coded twisted pair individually screened aluminium foil screen with tinned copper drain wire EMA/EVA sheathed SWB. Cable type : T2 Construction : Colour coded twisted together. Pairs shall be laid up and individually screened. Aluminium foil screen/EMA sheath over tinned copper drain wire. Pairs shall be identified by numbers. Voltage Rating

:

100 V (Min)

Conductors

:

High conductivity solid plain annealed copper wire

Insulation

:

Silicon rubber

Drain Wire

: Aluminium foil screen/EMA sheath over tinned copper drain wire.

Armour

: Galvanised steel wire braid

Sheath : Flame retardant, EMA sheathed to IEC 60 332 part 3 Cat. A. Both EMA bedding and outer sheath shall be the type with oxygen index not less than 30, temperature index not less than 260 Deg. C and HCL emission of maximum 0.5 % ( by weight ). Cable identification

:

The external surface of the outer sheath to be

embossed/printed every 1000mm in English with BS number, cable size, type, voltage grade and manufacturer’s name

4.1.11

Core identification

:

To be either colour coded or number system

Outersheath colour

:

Black

No of Pairs 1 2 5 10

Conductor Size (mm²) 1.5 1.5 1.5 1.5

1 2 5 10

2.5 2.5 2.5 2.5

Type CAT5e - For low speed/high speed data in fixed installations indoor for Telecom circuits Collective screened, multipair cable, braided, Polyethylene insulated and Steel Wire Braided (SWB)

Rev G2

Cable type

: CAT5e

Construction

: Flame retardant to IEC 60332

Page 9 of 39

Voltage Rating

:

600V

Temperature Rating

:

-10 deg C to +75 deg C

Construction

:

TIA/EIA-568-B.2-1

Conductors

:

Solid insulated copper 24 AWG

Insulation

:

HD Polyethylene

Collective Screen

:

0.024 mm AL/PETP tape

Inner Sheath (Shield)

:

Aluminium/polyester tape and tinned copper continuity wire

Outer Sheath

:

UV resistant, abrasion resistant polyethylene

Armour

:

Galvanised steel wire braid

Flame Test :

LSZH flame retardant to IEC 60332 Part 1

Cable identification

:

Every 1000mm increment

Outersheath colour

:

Black

Frequency

:

100 Hz

Attenuation

:

22 dB @100 MHz

Near End Crosstalk (NEXT): 35.3 dB (min. @ 100 MHz) Power Sum NEXT

: 32.3 dB (min. @ 100 MHz)

Equal Level Far-end Crosstalk (ELFEXT)

: 23.8 dB (min. @ 100 MHz)

Power Sum ELFEXT

: 20.8 dB (min. @ 100 MHz)

Return Loss

: 20.1 dB (min. @ 100 MHz)

Delay skew

:

45 nsec (max. per 100m)

Nominal impedence

:

100 ohms ± 15%

Wire Colour Pair Pair Pair Pair Pair 4.1.12

No. 1 2 3 4

A-wire White White White White

B-wire Blue Orange Green Brown

Fibre Optic Cables – O2 The optical fibres construction shall conform to the relevant standard as listed below:

Rev G2



Single mode fibre ITU Recommendation G652



Multimode fibre

IEC 60793

Page 10 of 39

The optical fibres shall have characteristics as defined below. Cable type

:

O2

Armour

:

Chemical resistant nylon armour

Inner Sheath

:

Polyethylene

Outer sheath

:

Flame retardant (IEC 60332 Part 1), low smoke, zero halogen thermoset

:

Black

Outersheath colour Single Mode Fibre •

Core diameter

9 microns

•

Cladding diameter

125 microns

•

Coating diameter

250 microns

•

Attenuation

@1310nm < 0.4 dB/km, @1550nm < 0.25 dB/km

•

Bandwidth

~ 100 Terahertz

•

Dispersion (max)

3.8 ps/nm.km (1310nm), 19 ps/nm.km (1550nm)

Multimode Fibre •

Core Diameter

62.5 microns

•

Cladding Diameter

125 microns

•

Coating Diameter

250 microns

•

Attenuation

@850nm < 3.0 dB/km, @1300nm < 1.0 dB/km

•

Bandwidth

@850nm > 160MHz.km, @1300nm > 500MHz.km

Note:Supplier shall quote in the tender the termination and joints suitable for the type of the FO cable specified. 4.1.13

Composite Cables C2 – For CCTV CCTV camera cable shall carry the following signals: 

Composite video signal



Telemetry signals (for Pan/Tilt, Zoom, Wash/Wipe)



Power supply for Camera Enclosure and Camera.

The cable shall comply with the following minimal specifications: 

Rev G2

Conductors

Video

: Coaxial, 75Ω

Telemetry

: Stranded copper, 0.20 mm² cross section

Power

: Stranded plain copper, 2.5mm² cross section

Page 11 of 39



Composition

Video

: 1 coaxial

Telemetry

: 2 shielded twisted pairs

Power

: 3 cores



Colour coding

: Shall be adequate to permit identification by functionality and standards



Insulation

: Cross-linked polyethylene (XLPE)



Insulation resistance

: 5000 MΩ / km minimum



Insulation thickness

: To be compatible with rail-mounted terminals



Flame retardant

: In compliance with IEC 60332-3C



Overall outer sheath

: LSZH

 Armour Outer sheath colour

Rev G2

: steel wire braid armour : Black

Page 12 of 39