Technical topics:  electrical

UL provides technical information regarding specific topics within a given discipline. This could range from new developments on Electrical Metallic Tubing (EMT) fittings or distributed generation equipment to information on fire-resistive products or drinking water systems.

Renewable energy

• Microturbines
• Photovoltaic products
• Fuel cells
• Hydrogen products
• Inverters, converters and controllers
• Utility-interactive static power inverters: key to unlocking alternative energy's future

Electrical

• NEC Article 517 tamper resistant receptacles
• Arc Fault Circuit Interrupters (AFCIs)  
• EMT fittings -- raintight compression type

Fire

• Electrical circuit functionality during a fire scenario

Hazardous Location Equipment

• Installation of intrinsically safe and nonincendive Systems
• Technical summary of Classes and Zones
• Overview of North American hazardous locations systems
• Understanding the Zone area classification method in the NEC®