This Code applies to the selection, installation and inspection of electric equipment with explosion- proof performance (hereinafter referred to as “explosion-proof electric equipment”) performed to prevent electric equipment installed in a hazardous place of gas facilities governed by the 「High Pressure Gas Safety Management Act」 (hereinafter referred to as the "High Act"), the 「Safety Management and Business Act of Liquefied Petroleum Gas」 (hereinafter referred to as the "Liquid Act") and the 「Urban Gas Business Act」 (hereinafter referred to as the "Urban Act") from becoming the ignition source of the leaked gas.
1. General
1.1 Scope
1.2 Validity of Code
1.3 Definitions
1.4 Application of Code and Standards
1.5 Transitional Measures
1.5.1 Transitional measures for performance inspection of explosion-proof electrical
equipment
2. Facility Standard
2.1 Hazardous Location Classification
2.1.1 Class 0 place
2.1.2 Class 1 place
2.1.3 Class 2 place
2.2 Selection of Explosion-proof Electrical Equipment
2.2.1 Selection Criteria
2.2.2 Classification Criteria
2.2.3 Selection Method
2.3 Method to display explosion-proof electrical equipment by structure.
2.4 Installation of explosion-proof electrical equipment
3. Inspection criteria
4. Detailed standards necessary for the implementation of this standard shall be determined by the President of Korea Gas Safety Corporation after deliberation by the Gas Safety Technology Review Committee
Appendix A Explosion-proof standards for electrical installations installed before July 1, 1994
