American National Standards Institute (ANSI) American Society of Mechanical Engineers (ASME) Canadian Centre for Occupational Health and Safety (CCOHS) Canadian Electrical Code® (CEC) Canadian Standard Association (CSA) CDC Office of Mine Safety and Health Research (OMSHR) Conveyor Equipment Manufacturers Association (CEMA) European Commission ATEX Directive (EC) Factory Mutual (FM) Institute of Electrical & Electronic Engineers (IEEE) Instrument Society of America (ISA) International Organization for Standardization (ISO) Mine Safety & Health Administration (MSHA) - 30 CFR § 56.14109 Mine Safety & Health Administration (MSHA) - 30 CFR § 77.1607(cc) Mine Safety & Health Administration (MSHA) - 30 CFR § 77.1107 Mine Safety & Health Administration (MSHA) - 30 CFR § 77.313 Mine Safety & Health Administration (MSHA) - Policy Letter P10-V-03 National Electrical Code® (NEC) National Electrical Manufacturers Association (NEMA) National Fire Protection Association (NFPA) National Mining Association (NMA) National Society of Professional Engineers (NSPE) National Stone, Sand & Gravel Association (NSSGA) Occupational Safety and Health Administration (OSHA) 1917.48(f) Occupational Safety and Health Administration (OSHA) 1918.64(a) Occupational Safety and Health Administration (OSHA) 1910.269(v)(11)(xi)-(xi)C Occupational Safety and Health Administration (OSHA) 1910.261(c)(15)(iv) Occupational Safety and Health Administration (OSHA) 1910.272(q)(6)(i) Ontario Ministry of Labour - Health & Safety Process Equipment Manufacture's Association (PEMA) Underwriters Laboratories (UL)