Electrical apparatus for potentially explosive atmospheres. General requirementsElectrical apparatus for potentially explosive atmospheres General requirements Executive summary General requirements for the construction, testing and marking of electrical apparatus. Abstract This European Standard specifies the general requirements for the construction, testing and marking of: electrical apparatus; ex cable entries; and ex components intended for use in potentially explosive atmospheres of gas, vapour and mist. Potentially

fire and tracking

test conditions and test method for a given application of a plastics article and is intended to be read in its entirety before testing protocols are finalized

Information to be reported

3) Semi-concealed

Requirements are given for tolerances on dimensions

This European Standard applies to the handling of fuel immediately adjacent to the equipment but downstream of and including the main plant manually operated fuel shut off valve

Noise hazards

rods and sections of heat-resisting steels and nickel alloys

BS EN ISO 14007 Environmental management

BS EN 4020 specifies the characteristics of elbows 90°

definitions applicable to all parts of this International Standard

Test stress