Description of Enclosure Standards - www.ezscreen.com/ip_ratings.htm

NEMA
• Industrial Control and Systems: Enclosures
• Switchgear Low Voltage AC Power Circuit Breakers Used in Enclosures—Test Procedures
• Enclosures for Electrical Equipment (1000 Volts Maximum)
• Molded-Case Circuit Breakers, Molded Case Switches, and Circuit-Breaker Enclosures
• Degrees of Protection Provided by Enclosures (IP Code)(identical national adoption)
• Test Procedures for Low Voltage AC Power Circuit Protectors Used in Enclosures
• American National Standard for Switchgear—Indoor AC Medium-Voltage Switches for Use in Metal-Enclosed    Switchgear—Conformance Test Procedures
• Guidelines for Inspection and Preventive Maintenance of Molded Case Circuit Breakers Used in Commercial and    Industrial Applications
• Panelboards

IEC - Enclosure Standards
• Degrees of protection provided by enclosures (IP Code)
• Amendment 1 - Degrees of protection provided by enclosures (IP Code)
• IECEx Test Report for IEC 60079-1 ed 5.0 - Electrical equipment for explosive gas atmospheres - Part 1: Flameproof   enclosures 'd'
• Explosive atmospheres - Part 1: Equipment protection by flameproof enclosures 'd'
• Electrical apparatus for explosive gas atmospheres - Part 1-1: Flameproof enclosures 'd' - Method of test for   ascertainment of maximum experimental safe gap
• Explosive atmospheres - Part 2: Equipment protection by pressurized enclosures 'p'
• Boxes and enclosures for electrical accessories for household and similar fixed electrical installations - Part 1:    General requirements
• Boxes and enclosures for electrical accessories for household and similar fixed electrical installations - Part 21:    Particular requirements for boxes and enclosures with provision for suspension means
• Boxes and enclosures for electrical accessories for household and similar fixed electrical installations - Part 22:    Particular requirements for connecting boxes and enclosures
• Boxes and enclosures for electrical accessories for household and similar fixed electrical installations - Part 23:   Particular requirements for floor boxes and enclosures
• Boxes and enclosures for electrical accessories for household and similar fixed electrical installations - Part 24:   Particular requirements for enclosures for housing protective devices and similar power consuming devices
• Electrical apparatus for use in the presence of combustible dust - Part 1: Protection by enclosures 'tD'
• Mechanical structures for electronic equipment - Outdoor enclosures - Part 1: Design guidelines
• Mechanical structures for electronic equipment - Outdoor enclosures - Part 2: Sectional specification - Coordination    dimensions for cases and cabinets
• Mechanical structures for electronic equipment - Outdoor enclosures - Part 2-1: Detail specification for cabinets
• Mechanical structures for electronic equipment - Outdoor enclosures - Part 3: Sectional specification - Climatic, mechanical tests and safety aspects for cabinets and cases
• Method of evaluating the thermal performance of enclosures
• Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts (IK code)

IEC - EMC/EMI/ESD Standards
• Passive filter units for electromagnetic interference suppression - Part 1: Generic specification
• Electromagnetic compatibility (EMC) - Part 5-7: Installation and mitigation guidelines - Degrees of protection   provided by enclosures against electromagnetic disturbances (EM code)

IEC - Power Protection Standards
• Low-voltage surge protective devices - Part 22: Surge protective devices connected to telecommunications and    signalling networks - Selection and application principles