• IEC60364 Electrical Installation of Building & Fire protection systems
• IEC 60331 & 60332 Test on/for electric cables under fire conditions
• IEC 71: Colors Of Indicating Lights And Push Buttons
• IEC 144: Degree of Protection of Enclosures for LV Switchgear and Control Gear.
• IEC 269: Low Voltage Fuses.
• IEC 337: Control Switches and Switching Devices.
• IEC 439: Factory Built Assemblies Of Low Voltage Switchgear and Control Gear
• IEC 529: Classification Of Degree Of Protection Provided By Enclosure