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Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public.

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“Invent a New India Using Knowledge”

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“Step Out From the Old to the New”

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“The Right to Information, The Right to Live”

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“Knowledge is such a treasure which cannot be stolen”

“Invent a New India Using Knowledge”

है”ह”ह

IS 2465 (1984): Cables for motor vehicles [ETD 9: PowerCables]

IS : 2465 - 1984 (Reaffirmed 2006)

Indian Standard SPECIFICATION FOR

CABLES FOR MOTOR VEHICLES

( Second Revision )

UDC 621.315.221 8 621.315.616.961 : 629.113.066

© Copyright 1984

B U R E A U O F I N D I A N S T A N D A R D S MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG

NEW DELHI 110002

Second Reprint JUNE 2008

Gr 4 October 1984

AMENDMENT NO. 1 NOVEMBER 1 9 8 6

TO

IS : 2 4 6 5 - 1 9 8 4 SPECIFICATION FOR CABLES FOR MOTOR VEHICLES

( Second Revision )

(Page 6, clause 7.2.2.1, line 2) - Substitute

'values' for 'value'.

( Page 6, clause 8.1, Note ) - Substitute the following for the existing note:

'NOTE - In case of single core cables, it is permissible to have marking using one of these colours as base colour and others as tracer colours.'

(Page 9, clause 16, title) - Substitute 'INSULATED' for 'INSULATION'.

(Paqe 14, Title 1, col 1) - Substitute '120' and '150' for '1.20' and '1.50' respectively in the last two entries.

( ETDC 59 )

Reprography Unit, BIS, New Delh i , India

IS : 2465 - 1984

© Copyright 1984

BUREAU OF INDIAN STANDARDS This publication is protected under the Indian Copyright Act ( XIV of 1957 ) and reproduction in whole or in part by any means except with written permission of the publisher shall be deemed to be an infringement of copyright under the said Act.

Indian Standard

SPECIFICATION FOR CABLES FOR MOTOR VEHICLES

( Second Revision )

Power Cables Sectional Committee, ETDC 59

Chairman SHRI M. L. DONGRE

M-3, Satyam, 88, Sion Circle Bombay 400 022

Members Representing SHRI J. P. AGAL Bharat Heavy Electricals Ltd, Hyderabad

SHRI B. P. R A I ( Alternate ) SHRI M. R. BHAT Tata Consulting Engineers, Bombay

SHRI D. K. BASU ( Alternate ) CHIEF ENGINEER ( ELECTRICAL. ) I Central Public Works Department, New Delhi

SURVEYOR OF WORKS ( ELECT ) V ( Alternate )

DR K. DAS GUPTA Calcutta Electric Supply Corporation ( India ) Ltd, Calcutta

SHRI P. NEOGI ( Alternate ) DIRECTOR Central Power Research Institute, Bangalore

SHRI M. C. RATRA ( Alternate ) DIRECTOR OF M I N E S SAFITY Directorate General of Mines Safety, Dhanbad

( ELECT ) ( HQ ) DIRECTOR OF MINES SAFETY

( ELECT ) ( Alternate ) SHRI RAVI K. DUTT Cable and Conductor Manufacturers' Association of

India, New Delhi SHRI S. R. SAHAN ( Alternate )

SHRI P. GHOSH Indian Cable Co Ltd, Jamshedpur SHRI K. V. R. RAO ( Alternate )

SHRI M. M. HONAVAR Cable Corporation of India Ltd, Bombay SHRI S. R. PADMANABHAN ( Alternate )

SHRI D. K. J A I N Directorate of Technical Development & Production ( Air ), New Delhi

SHRI V. K. SHARMA ( Alternate ) SHRI K. S. JOSHI Bombay Suburban Electric Supply Ltd, Bombay

SHRI R. K. SEHGAL. ( Alternate )

( Continued on page 2 )

IS : 2465 - 1984

( Continued from page 1 )

Members Representing

SHRI S. L. KAKKAR Universal Cables Ltd, Satna SHRI R. C. AGRAWAL ( Alternate )

SHRI R A J K. MITAL Delhi Electric Supply Undertaking, New Delhi SHRI V. K. SAKHUJA ( Alternate )

SHRI R. V. NARAYANAN Directorate General of Supplies & Disposals (Inspection Wing), New Delhi

SHRI D. R. CHANDRA ( Alternate ) SHRI H. M. PAI The Federation of Electricity Undertakings of India,

Bombay SHRIMATI C. BALIGA ( Alternate )

SHRI S. N. PARWAL The Premier Cable Co Ltd, Eranakuiam ( Kerala ) SHRI A. K. RAMAN Asian Cables Corporation Ltd, Bombay SHRI S . M. SAKHALKAR Bombay Electric Supply & Transport Undertaking,

Bombay SHRI S. V. UPASANI ( Alternate )

SHRI L. K. SANGHI Fort Gloster Industries Ltd, Howrah SHRI A. S. BHATTACHARJEE ( Alternate )

LT-COL S. R. SEN Controllerate of Inspection Electronics, Bangalore SHRI S. K. MAI.HOTRA ( Alternate )

D R M. S. SUKHULA Punjab Research Institute, Rajpura SHRI U. S. VERMA National Test House, Calcutta

SHRI R. RAMAKRISHNA ( Alternate ) SHRI K. G. WARRIER Oriental Power Cables Ltd, Kota

SHRI B. K. MUNDILTA ( Alternate ) SHRI S. P. SACHDEV, Director General, ISI ( Ex-officio Member )

Director ( Elec tech ) Secretary

SHRI K. M. BHATIA Senior Deputy Director ( Elec tech ), ISI

Panel for Elastomeric and Thermoplastic Cables, ETDC 59/P4

Convener

SHRI L. K. SANGHI Fort Gloster Industries Ltd, Howrah

Members

SHRI A. S. BHATTACHARJEE ( Alternate to Shri L. K. Sanghi )

SHRI B. ROY CHOWDHURY The Calcutta Electric Supply Corporation ( India ) Ltd, Calcutta

SHRI P. NEOGI ( Alternate ) SHRI P. GHOSH Indian Cable Co Ltd, Jamshedpur

SHRI K. V. R. RAO ( Alternate ) SHRI M. M. HONAVAR Cable Corporation of India Ltd, Bombay

SHRI S. R. PADMANABHAN ( Alternate ) SHRI S. L. KAKKAR Universal Cables Ltd, Satna

SHRI R. C. AGRAWAL ( Alternate ) SHRI J . V. MEHTA The Ahmedabad Electricity Co Ltd, Ahmadabad SHRI B. K. MUNDHRA Oriental Power Cables Ltd, Kota SHRI A. S. PINTO Delhi Electricity Supply Undertaking, New Delhi SHRI S. R. SARAN Industrial Cables ( India ) Ltd, Rajpura

2

IS : 2465 - 1984

Indian Standard SPECIFICATION FOR

CABLES FOR MOTOR VEHICLES

( Second Revision )

0 . F O R E W O R D

0.1 This Indian Standard ( Second Revision ) was adopted by the Indian Standards Institution on 26 June 1984, after the draft finalized by the Power Cables Sectional Committee had been approved by the Electrotechnical Division Council.

0.2 This standard was first published in 1963 and revised in 1969. The present revision has been undertaken to take into account experience gained since then, to align with other cable specifications in respect of format and to make reference to latest Indian Standards on conductor, insulation, sheath and methods of test for cables. The types of cables covered in the standard have been rationalized.

0.3 For the purpose of deciding whether a particular requirement of this standard is complied with, the final value, observed or calculated, expressing the result of a test shall be rounded off in accordance with IS : 2-1960*. The number of significant places retained in the rounded off value should be the same as that of the specified value in this standard.

SECTION 1 GENERAL

1. SCOPE

1.1 This standard covers the requirements and tests for the following types of cables for general use in motor vehicles:

a) Ignition cables of following types:

1) Elastomer insulated, and

2) PVC insulated.

*Rules for rounding off numerical values ( revised ).

3

IS : 2465 - 1984

b) General wiring cables of the following types where the voltage does not exceed 100 V:

1) Single core PVC insulated; and

2) Circular twin, three and four core PVC insulated and PVC sheathed.

c) Round and flat tinned copper braids without further covering for earthing.

2. TERMINOLOGY

2.0 For the purpose of this standard, the definitions given in IS : 1885 ( Part 32 )-1971* and the following shall apply.

2.1 Type Tes t s — Tests carried out to prove conformity with the specification. These are intended to prove the general qualities and design of a given type of cable.

2.2 Acceptance Tests — Tests carried out on samples taken from a lot for the purpose of acceptance of the lot.

2.3 Routine Tests — Tests carried out on each cable to check the requirements which are likely to vary during production.

2.4 Optional Tests — Special tests carried out when required by agreement between the purchaser and the supplier.

SECTION 2 MATERIALS

3. CONDUCTOR

3.1 Conductors for Elastomer/PVC Insulated Cables — The conductor shall be composed of copper wires complying with IS : 8130-1984†. The wires shall be tinned in case of elastomer ( rubber ) insulated cables and plain in case of PVC insulated cables.

NOTE — When specified by the purchaser, tinned copper wires may be used in place of plain copper wires.

3.2 Conductors for Earthing Braids — The conductor shall be of tinned copper and shall comply with the requirements of IS : 8130-1984† wherever applicable.

*Electortechnical vocabulary : Part 32 Cables, conductors and accessories for electricity supply.

†Specification for conductors for insulated electric cables and flexible cords.

4

IS : 2465 -1984

4. INSULATION

4.1 E l a s t o m e r Insulated Cables — The insulation shall consist of elastomer conforming to requirements of Type IE I of IS : 6380-1984*.

4.2 PVC-Insulated Cables — The insulation shall consist of PVC compound conforming to Type A of IS : 5831-1984†.

5. SHEATH

5.1 The sheath shall consist of PVC compound conforming to the

requirements of Type ST I of IS : 5831 - 1981­­­

SECTION 3 CONSTRUCTION

6. CONDUCTOR

6.1 Conductors for Insulated Cables — The construction of conduc­tors shall be in accordance with flexibility Class 5 of IS : 8130-1984†.

6.1.1 The nominal cross-sectional area of conductor for ignition cables shall be 1•5 mm2. The sizes of conductor for general wiring cables shall be in accordance with Table 1 or Table 2, whichever is applicable.

6.2 Conductors for Earthing Braids — The dimensions of wires and of the earthing braids shall be in accordance with Table 3. The wires shall be formed into a braid of approximately circular cross-section, the number of spindles, number of wires per spindle and the braiding lay being as specified in Table 3. For a flat braid, the circular braid, shall be flattened to the dimensions given in Table 3. Brazed, silver-soldered or electrically welded joints may be made in individual wires but no joints shall be made in the finished braid.

7. INSULATION

7.1 The conductor shall be provided with elastomer or PVC insulation, as the case may be, applied by extrusion.

7.2 Thickness of Insulation

7.2.1 Ignition Cable — The average thickness of insulation shall be not less than 2•75 mm.

7.2.1.1 Tolerance on thickness of insulation — The smallest of measured values of the thickness of insulation shall be not less than 2 50 mm.

*Specification for elastometric insulation and sheath of electric cables ( first revision ). †Specification for PVC insulation and sheath of electric cables ( first revision ). ±Specification for conductors for insulated electric cables and flexible cords.

5

IS : 2465 - 1984

7.2.2 General Wiring Cables — The average thickness of insulation shall be not less than the nominal value ( t1 ) specified in Table 1 or Table 2, as applicable.

7.2.2.1 Tolerance on thickness of insulation — The smallest of measured value of thickness of insulation shall not fall below the nominal value ( t1 ) specified in the relevant tables by more than the following:

Up to and including 1•2 mm 0•1 mm + 0 05 t1

Above 1•2 mm 0•l mm + 0•1 t1

7.3 Application of Insulation — The insulation shall be so applied that it fits closely on the conductor and it shall be easily possible to remove it without damage to the conductor.

8. CORE IDENTIFICATION

8.1 Cores shall be identified by different colouring of insulation. Follow­ing colour scheme shall be adopted:

Type of Cable Colour

Ignition cable Black General wiring cable:

1 Core Black, blue, brown, green, grey, orange, red, violet, white or yellow

2 Core Red and black 3 Core Red, white and blue 4 Core Red, white, blue and black

NOTE — In case of single core cables it is permissible to have spiral, marking using one of these colours as base colours and others as tracer colours.

9. LAYING-UP OF CORES

9.1 Two, three or four cores shall be twisted together with a suitable right-hand lay.

10. SHEATHING

10.1 The PVC sheath shall be applied over the laid-up cores by extrusion.

10.1.1 The sheath shall be so applied that it fits closely on the laid-up cores and it shall be possible to remove it without damage to the core insulation.

10.2 Colour of the Sheath — The colour of the sheath shall be black unless otherwise specified by the purchaser.

6

IS : 2465 - 1984

10.3 Thickness of Sheath — The thickness of sheath, determined by taking the average of a number of measurements, shall be not less than the nominal value ( t2 ) specified in Table 2 and the smallest of the measured values shall not fall below the nominal value ( t6 ) specified in Table 2 by more than 0.15 mm + 0.05 t8.

11. OVERALL DIMENSIONS

11.1 Ignition Cables — The overall diameter shall be not less than 6.85 mm and not more than 7.35 mm.

11.2 General Wiring Cables — The overall diameter shall be in accordance with Table 1 or Table 2, as applicable.

SECTION 4 TESTS

12. CLASSIFICATION OF TESTS

12.1 Type Tests — The following shall constitute type tests:

a) Annealing test ( for copper );

b) Persulphate test ( for tinned copper only );

c) Conductor resistance test ( not applicable to earthing braids);

d) Test for thickness of insulation and sheath and other dimensional checks;

e) Physical tests for PVC insulation and sheath:

1) Tensile strength and elongation at break, 2) Ageing in air oven, 3) Loss of mass test, 4) Hot deformation test, 5) Heat shock test, and 6) Shrinkage test;

f) Physical tests for elastomeric insulation:

1) Tensile strength and elongation at break,

2) Ageing in air oven, and

3) Ageing in oxygen bomb;

g) High voltage test ( 14.1 and 14.3 );

h) Capacitance test ( for PVC ignition cables ) ( 16 );

j) Ozone resistance test ( for ignition cables) ( 17 );

7

IS : 2465 - 1984

k) Effect of heat on flexibility ( for ignition cables ) ( 18 );

m) Effect of oil ( for ignition cables ) ( 19 ); and

n) Effect of lubricating oil, brake fluid, diesel and petrol ( 20 ) ( for general wiring cables ).

NOTE — Test for effect of thinners is under consideration.

12.2 Acceptance Tests — The following shall constitute acceptance tests:

a) Resistance test,

b) Test for thickness of insulation and sheath,

c) Dimensional checks, and

d) High voltage test.

12.3 Routine Tests — The following shall constitute routine tests:

a) Resistance test,

b) High voltage test, and

c) Spark test for single core general wiring cables ( alternate to high voltage test ).

12.4 Optional Tes t s - The following shall constitute optional tests:

a) Effect of cooling on flexibility, and

b) Flammability test ( for cables for general wiring ).

13. METHODS OF TEST

13.1 Unless otherwise specified, the tests shall be carried out in accord­ance with appropriate part of IS : 10810*, taking into account the additional information given in this standard.

14. HIGH VOLTAGE TEST

14.1 Type and Acceptance Tes t s — The sample shall be kept immersed in water ( ends projecting above the surface ) for a period of not less than 12 hours and tested while still immersed.

14.2 Routine Test — Single core cables shall be tested after immersion in water for not less than 2 hours and while still immersed. Multicore cables shall be tested in air.

8

*Methods of test for cables.

IS : 2465 - 1984

14.3 Test voltages for tests in 14.1 and 14.2 shall be 20 kV for ignition cables and 3 kV for general wiring cables applied for a period of 5 minutes. For multicore cables the voltage shall be applied between conductors and in case of single core cables, between conductor and water. No breakdown of insulation shall occur.

NOTE — High voltage ( routine ) test for single core general wiring cables may be replaced by spark test ( see 15 ).

15. SPARK TEST FOR SINGLE CORE GENERAL WIRING CABLES

15.1 Test voltages for carrying out spark test shall be as given below:

Nominal Thickness of Insulation Test Voltage rms mm kV

16. CAPACITANCE TEST FOR PVC INSULATION IGNITION CABLE

16.1 A suitable length of finished PVC insulated cable shall be dried in an air-oven at a temperature of 80 ± 2°C for 18 hours. The sample shall be allowed to cool to room temperature and then be placed in a bath of water. The capacitance shall be measured between the conductor and the water by means of an accurate capacitance bridge at a frequency of approximately 1 000 Hz. The capacitance shall be not more than 80 pF/300 mm.

17. OZONE RESISTANCE TEST FOR IGNITION CABLES

17.1 A sample of the finished cable shall be wound on a 3-mm diameter brass rod, with six turns per 750 mm length of rod and the whole inserted in a glass tube of 19 mm internal diameter, as shown in Fig. 1. The assembled but open-tube shall be placed in a current of air at room temperature and a relative humidity of 60 ± 2 percent for 3 minutes, and then the ends shall be tightly plugged. The cable shall be subjected to 20 kV rms at any frequency from 40 to 60 Hz inclusive, applied between the conductor and the brass rod. Electrical breakdown shall not occur in less than 20 minutes.

I

9

0 . 6

0 . 7

0 . 8

1.0

1.2

1.4

1.8

3.5

6 . 0

8 . 0

1 0 . 0

1 2 0

IS : 2465 - 1984

FIG. 1 OZONE TEST APPARATUS FOR IGNITION CABLE

18. EFFECT OF HEAT ON FLEXIBILITY FOR IGNITION CABLES

18.1 A sample of finished cable, about 750 mm long shall be placed in an oven and kept at 100 ± 2°C for 5 hours for elastomer insulated cables and 90 ± 2°C for 72 hours for PVC insulated cables. After cooling to room temperature for 24 hours, the cable sample shall be wound in five closed turns round a 25 mm mandrel. The sample shall then be removed from mandrel, formed into a coil not less than 75 mm in diameter, immersed in water and subjected to high voltage test at 20 kV for 5 minutes. There shall be no breakdown of the insulation.

19. EFFECT OF OIL ON IGNITION CABLES

19.1 For Elas tomer Insulated Cables — A 450-mm length of the finished insulated cable shall be carefully measured for outside diameter and then wound ten times alternately in opposite directions, on a 25-mm diameter mandrel. The cable shall next be bent in the form of U-loop, with straight sides of at least 100 mm and immersed to within 25 mm of the ends in lubricating oil at room temperature. The oil shall be of the grade defined in Appendix A. The temperature of the oil shall then be raised to 100 ± 2°C and maintained for 5 hours. On removal from the oil, the cable shall be wiped and allowed to cool to room temperature. The straight portions shall not have increased in average diameter by more than 4 percent, shall not be sticky or appreci­ably softened and shall be free from blisters and other defects.

10

IS : 2465 - 1984

19.2 For PVC-insulated Cables — A sample of the finished PVC-insulated cable about 750 mm long shall be wound round cylindrical metal mandrel, as follows:

Diameter of mandrel 25 mm Number of turns 5

The mandrel and cable shall then be immersed in a tank of lubricat­ing oil, with not less than 75 mm of the cable protruding above the surface of the oil at each end. The oil shall be of the grade defined in Appendix A. The temperature of the oil shall be maintained at 90 ± 2°C for 48 hours. At the end of this period the sample shall be removed from the mandrel, the oil shall be wiped off and the sample shall be allowed to cool to room temperature. It shall next be formed into a coil not less than 75 mm diameter and immersed in water. The sample shall then be subjected to high voltage test at 20 kV for 5 minutes. There shall be no breakdown of the insulation.

20. EFFECT OF LUBRICATING OIL, BRAKE FLUID, DIESEL AND PETROL FOR GENERAL WIRING CABLES

20.1 Three samples of the finished PVC-sheathed cable or PVC-insulated cable without further covering, or of the core of other PVC-insulated cables, each approximately 450 mm long, shall be carefully measured for outside diameter. Each sample shall then be bent in the form of a U-loop with straight side of at least 100 mm.

20.2 The sample shall be immersed to within 25 mm of the ends, one in each of the hydrocarbon liquids specified in Appendix A, the temperature being adjusted and maintained as shown below:

Liquid Immersion Time Temperature

Lubricating oil 72 hours 70° ± 1°C Diesel 7 days 70° ± 1°C Petrol 24 hours 20° ± 1°C

Brake fluid 72 hours 70° ± 1°C

20.3 Each sample shall be removed from the fluid after the appropriate period of immersion specified in 20.2 and shall be wiped and allowed to come down to room temperature. The outside diameter shall again be carefully measured. The increase in average diameter shall not exceed 4 percent.

20.4 The sample shall then be wrapped around a mandrel of diameter equal to twice the specified diameter of the cable or core. No cracking shall occur.

11

IS : 2465 - 1984

21. EFFECT OF COOLING ON FLEXIBILITY

21.1 For Ignit ion Cable — A 300 mm of the finished elastomer insulated cable shall be kept in an atmosphere having a temperature of — 10 ± 2°C for a period of half an hour. At the end of this period the cable shall be immediately wound in three close turns round a similarly cooled mandrel. The diameter of the mandrel shall be 25 mm. After 2 minutes, the insulation shall show no sign of splitting.

21.2 For General Wiring Cables — Cold bend cold impact test in accordance with IS : 5831-1984* shall be carried out.

22. FLAMMABILITY TEST

22.1 Period of burning after removal of the flame shall not exceed 60 seconds and the unaffected portion ( uncharted ) from the lower edge of top clamp shall be at least 50 mm.

SECTION 5 IDENTIFICATION, PACKING AND MARKING

23. IDENTIFICATION

23.1 Manufacturer's Identification — The manufacturer shall be identified throughout the length of the cable by means of a tape bearing the manufacturer's name or trade-mark, or by manufacturer's name or trade-mark being printed, indented or embossed on the cable. In case none of these methods can be employed, or if the purchaser so desires, colour identification threads in accordance with a scheme to be approved by the Indian Standards Institution shall be employed. The printing, indentation or embossing shall be done on the insulation in case of unsheathed cables and on the sheath in case of sheathed cables. The distance between any two consecutive printings, indentations or embos­sings shall be not more than 1 m.

23.2 Cable Code — The following code shall be used for designating the cable:

Constituent Code Letter

Elastomer ( rubber ) insulation R PVC insulation Y PVC sheath Y

NOTE — No code letter is required for copper conductor.

*Specification for PVC insulation and sheath of electric cables (first revision).

12

IS : 2465 - 1984

24. PACKING AND MARKING

24.1 The cable shall be either wound on reels or supplied in coils packed.

24.2 The cable shall carry the following information contained in a label attached to the reel or coil:

a) Manufacturer's name, trade name or trade-mark;

b) Type of cable,

c) Number of cores,

d) Cable code,

e) Nominal cross-sectional area of conductor,

f) Colour of core ( in case of single core cables ), and

g) Length of cable contained in the coil or reel.

24.2.1 The product may also be marked with Standard Mark

24.2.2 The use of the Standard Mark is governed by the provisions of the Bureau of Indian Standards Act, 1986 and the Rules and Regulations made thereunder. The details of conditions under which the licence for the use of Standard Mark may be granted to manufactures or producers may be obtained from the Bureau of Indian Standards.

13

IS : 2465 - 1984

SECTION 6 TABLES

TABLE 1 SINGLE CORE PVC INSULATED CABLE FOR GENERAL WIRING ( Clauses 6.1.1, 7.2.2 and 11.2 )

NOMINAL CROSS SECTIONAL AREA

APPROXIMATE DIAMETER OF

CONDUCTOR

NOMINAL THICK-

NESS OF INSULATION (t1)

OVER ALL DIA­METER ,

Max

(1) (2) (3) (4)

mm2

0.5

0 .75

1.0

1.5

2 .5

4

6

10

16

25

35

5 0

70

9 5

1.20

1.50

m m

0.93

1.14

1.32

l .6

1.6

2 .6

3.6

4 .6

5.7

7.1

8.5

10.3

12.4

14.5

16.0

18.0

m m

0.6

0 .6

0.7

0.7

0.7

0 .8

0 .8

1.0

1.0

1.2

1.2

1.4

1.4

1.6

1.6

1.8

m m

2.5

2.7

3.1

3.4

3.8

4 .6

5.6

7.0

8.1

10.0

11.4

13.7

15.8

18.4

19.9

22 .4

14

IS : 2465 - 1984

OVERALL DlAMETER, Max

(1)

mm2

0.5

0 .75

1.0

1.5

2 .5

(2)

m m

0 .93

1.14

1.32

1.6

2.0

(3)

m m

0.6

0.6

0.6

0.6

0.7

T w o C o r e

(4)

m m

0.8

0.8

0 .8

0.8

0 .9

T h r e e C o r e

(5)

m m

0 .8

0.8

0.8

0.8

0.9

F o u r C o r e

(6)

m m

0.8

0.8

0.8

0.8

0.9

T w o C o r e

(7)

m m

7.0

7.4

7.6

8.2

9.7

T h r e e C o r e

(8)

m m

7.4

7.8

8.1

8.7

10.3

F o u r C o r e

(9)

m m

8.0

8.5

8.8

9.5

11.2

TABLE 3 EARTHING BRAIDS

TYPE

(1)

Round

Round

Round

Flat

Flat

Flat

NOMINAL AREA

(2)

mm2

19

28

37

21

21

25

( Clause 6.2 )

M A K E - U P OF BRAID

Number Numbers of Spindles and Size of

Wires per Spindle

(3)

16

16

16

48

24

48

(4)

mm

16/0.3

24/0.3

32/0.3

14/0.2

28/0.2

26/0.16

APPROXIMATE OVERALL

DIMENSIONS

(5)

mm

7.1

10 0

11.0

24 x 0.25

24 X 0.25

24 x 3.5

APPROXIMATE BRAIDING

LAY

(6)

mm

80

100

90

150

150

50

15

TABLE 2 CIRCULAR TWO, THREE AND FOUR CORE PVC-INSULATED AND PVC SHEATHED CABLES ( Clauses 6.1.1, 7.2.2, 10.3 and 11.2 )

N O M I N A L

C R O S S -

S E C T I O N A L

A R E A

NOMINAL THICKNESS OF SHEATH ( t2 )

A P P R O -

XIMATE CONDUC-

TOR DEA-METER

N O M I N A L

T H I C K ­

N E S S O F

INSULA­TION ( t1 )

IS : 2465 - 1984

A P P E N D I X A

( Clause 19.1, 19.2 and 20.2 )

TEST FLUIDS

A-1. LUBRICATING OIL

A-1.1 The oil shall be SAE 30 viscosity grade as specified in IS : 496-1982*.

A-2. BRAKE FLUID

A-2.1 The test fluid shall be heavy duty hydramlic brake fluid as specified in IS : 8654-1977†

A-3. DIESEL FUEL

A-3.1 The diesel shall be Class A engine fuel as specified in IS : 1460-1974‡.

A-4. PETROL

A-4.1 The test fluid shall be a mixture containing 30 percent by volume of pure toluole conforming to IS : 536-1968§ and 70 percent by volume of alkylate iso-octane ( reference fuel quality ).

*Specification for automotive internal combustion engine lubricating oils (fourth revision).

†Specification for automotive hydraulic brake fluid, heavy duty. ‡Specification for diesel fuels ( second revision ). §Specification for toluole, industrial ( first revision ).

16

BUREAU OF INDIAN STANDARDS Headquarters: Manak Bhavan, 9 Bahadur Shah Zafar Marg, NEW DELHI 110002 Telephones 23230131, 23233375, 23239402 Fax 91+011 23239399, 23239382 E-Mail info@bis org in website http //www bis org in

Central Laboratory: Telephone

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Regional Offices: Central Manak Bhavan, 9 Bahadur Shah Zafar Marg, NEW DELHI 110002 2323 7617 *Eastern 1/14 CIT Scheme VII M, V I P Road, Kankurgachi, KOLKATA 700054 2337 8662

Northern SCO 335-336, Sector 34-A, CHANDIGARH 160022 260 9285

Southern C I T Campus, IV Cross Road, CHENNAI 600113 2254 1984 †Western Manakalaya, E9, MlDC, Behind Marol Telephone Exchange, 2832 9295

Andheri (East), MUMBAI 400093

Branch Offices: 'Pushpak', Nurmohamed Shaikh Marg, Khanpur, AHMEDABAD 380001 560 1348 Peenya Industrial Area, 1st Stage, Bangalore-Tumkur Road, BANGALORE 839 4955 Commercial-cum-Office Complex, Opp Dushera Maidan, Arera Colony, 242 3452

Bittan Market, BHOPAL 462016 62-63, Ganga Nagar, Unit VI, BHUBANESHWAR 751001 240 3139 5th Floor, Koval Towers, 44 Bala Sundaram Road, COIMBATORE 641018 221 0141 SCO 21, Sector 12, Faridabad 121007 229 2175 Savitri Complex, 116 G T Road, GHAZIABAD 201001 286 1498 53/5 Ward No 29, R G Barua Road, 5th By-lane, Apurba Sinha Path, 245 6508

GUWAHATI 781003 5-8-56C, L N Gupta Marg, Nampally Station Road, HYDERABAD 500001 2320 1084 Prithavi Raj Road, Opposite Bharat Overseas Bank, C-Scheme, JAIPUR 302001 222 3282

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LUCKNOW 226001 H No 15, Sector-3, PARWANOO, Distt Solan (H P) 173220 235 436 Plot No A-20-21, Institutional Area, Sector 62, Goutam Budh Nagar, NOIDA 201307 240 2206 Pathputra Industrial Estate, PATNA 800013 226 2808 Plot Nos 657-660, MarketYard, Gultkdi, PUNE 411037 2427 4804 "Sahajanand House" 3rd Floor, Bhaktinagar Circle, 80 Feet Road, 237 8251

RAJKOT 360002 T C No 2/275 (1 & 2), Near Food Corporation of India, Kesavadasapuram-Ulloor Road,

Kesavadasapuram, THIRUVANANTHAPURAM 695004 255 7914 1st Floor, Udyog Bhavan, VUDA, Siripuram Junction, VISHAKHAPATNAM-03 271 2833

*Sales Office is at 5 Chowringhee Approach, P O Princep Street, KOLKATA 700072 †Sales Office (WRO) Plot No E-9, MIDC, Rd No 8, Behind Telephone Exchange,

Andheri (East), Mumbai-400 0093

2355 3243

2832 9295

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