IS 9559 : 1980 Guide for selection of electrical and electronic equipment for coal mines

1 Scope

1.1 This standard gives guidance for selection of electrical andelectronic equipment for use in the underground situations of coalmines in general and the permissibility of the ordinary equipment,flameproof equipment and the intrinsically safe equipment inparticular.

2 References

IS 691 :1966Specification for rubber-insulated flexibletrailing cables for use in coal mines

IS 692 :1973Specification for paper insulated lead-sheathedcables for electricity supply

IS 1554 : Part II :1970 Specification for PVC insulated (heavyduty)electric cables:Part II For working voltages from 3.3 kV up toand including 11 kV

IS 2148 :1968Specification for flameproof enclosures ofelectrical apparatus

IS 3181 :1966Specification for fire resistant conveyorbelting for underground use in coal mines

IS 4691 :1968Degrees of protection provided by enclosuresfor rotating electrical machinery

IS 4821 :1968Specification for cable glands and cablesealing boxes for use in mines

IS 5571 :1979Guide for selection of electrical equipment forhazardous areas

IS 5780 :1980Specification for intrinsically safe electrical apparatus and circuits

IS 6539 :1972Specification for intrinsically safe magnetotype telephone for use in hazardous atmospheres