ICS 29.060.20                         ETD 09

New Standard from Last Update.

1 SCOPE

This Indian Standard covers the requirements of thermosetting insulated armoured fire survival cables for fixed installations having low emission of smoke and corrosive gasses for maintaining circuit integrity when affected by fire for single phase and three phase systems, suitable for operation at voltages up to and including 1 100 V a.c. and 1 500 V d.c. These cables are suitable for use where combination of ambient temperature and temperature rise due to load results in conductor temperature not exceeding 90 °C under normal operation and 250 °C under short circuit conditions.

NOTES

1 The cables conforming to this standard may be operated continuously at a power frequency voltage 10 percent higher than rated voltage.

2 The standard does not cover single core unarmoured unsheathed cable.

2 REFERENCES

The standards given below contain provisions which, through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards listed below:

1885 (Part 32) : 2019 Electrotechnical vocabulary: Part 32 Electric cables (second revision)

3961 (Part 6) : 2016 Recommended current ratings for cables: Part 6 Cross-linked polyethylene insulated PVC sheathed cables

3975 : 1999 Low carbon galvanized steel wires, formed wires and tapes for armoring of cables — Specification (third revision)

4826 : 1979 Specification for hot–dipped galvanized coatings on round steel wires (first revision)

4905 : 2015/ISO 24153 : 2009 Random sampling and randomization procedures (first revision)

7098 (Part 1) : 1988 Specification for crosslinked polyethylene insulated PVC sheathed cables: Part 1 For working voltages up to and including 1 100 Volts (first revision)

8130 : 2013 Conductors for insulated electric cables and flexible cords - Specification (second revision)

10462 (Part 1) : 1983 Fictitious calculation method for determination of dimensions of protective coverings of cable: Part 1 Elastomeric and thermoplastic insulated cables

10810 Methods of test for cables: (Part 0) : 1984 General

(Part l) : 1984 Annealing test for wires used as conductors

(Part 5) : 1984 Conductor resistance test

(Part 6) : 1984 Thickness of thermoplastic and elastomeric insulation and sheath

(Part 7) : 1984 Tensile Strength and elongation at break of thermoplastic and elastomeric insulation and sheath

(Part 11) : 1984 Thermal ageing in air

(Part 12) : 1984 Shrinkage test

(Part 13) : 1984 Ozone resistance test

(Part 30) : 1984 Hot set test

(Part 31) : 1984 Oil resistance test

(Part 36) : 1984 Dimensions of armoring material

(Part 37) : 1984 Tensile strength and elongation at break of armoring materials

(Part 38) : 1984 Torsion test on galvanized steel wires for armoring

(Part 39) : 1984 Winding test on galvanized steel strips for armoring

(Part 40) : 1984 Uniformity of zinc coating on steel armour

(Part 41) : 1984 Mass of zinc coating on steel armour

(Part 42) : 1984 Resistivity test of armour wires and strips and conductance test of armour (wires/strips)

(Part 43) : 1984 Insulation resistance

(Part 45) : 1984 High voltage test

(Part 53) : 1984 Flammability test

(Part 58) : 1998 Oxygen index test

(Part 59) : 1988 Determination of the amount of halogen acid gas evolved during combustion of polymeric materials taken from cables

(Part 61) : 1988 Flame retardant test

(Part 62) : 1993 Flame retardant test for bunched cables

(Part 63) : 1993 Measurement of smoke density of electric cables under fire Conditions

(Part 64) : 2003 Measurement of temperature index