Technical topics for code authorities
Articles and Q&As on code related UL certifications and services.
- 94V and related flammability ratings
- Bonding around concentric knockouts
- Busbars, tapping considerations
- Cable, holographic labels
- Carbon monoxide alarms
- Carbon monoxide alarms, commercial use
- Ceiling dampers, maximum areas
- Ceiling radiation dampers, installation considerations
- Compact fluorescent lamp applications
- Conduit hubs and service equipment
- Dispenser retrofitting
- Electric vehicle charging systems
- Elevator certifications
- Filters for commercial deep fat fryers
- Fire alarm equipment labeling
- Fire doors and frames, label considerations
- Fire doors and frames, unlabeled
- Fire pump controller applications
- Fire pumps, flexible connectors
- Fire resistance rated walls, horizontal joints
- Firestop installations (video)
- Ground fault protective devices
- Gypsum board securement
- Heaters, portable electric
- LED retrofit kits for signs and luminaires
- LED signs and luminaires
- Luminaire retrofits
- Membrane penetrations
- Motor listing program
- NM cable interconnectors
- Optical fiber cable
- Outlet boxes for use in fire rated assemblies
- Overcurrent protection, supplementary
- Panelboard short circuit ratings
- Photovoltaics - fire class rating of photovoltaic systems
- Photovoltaic - firefighter safety and photovoltaic systems
- Photovoltaic modules and panels
- Plenums, products used in
- Portable fire extinguishers
- Power factor correction equipment
- Rebuilt equipment
- Receptacles, hospital grade
- Recirculating hood systems
- Recognized Component marks
- Relocatable power taps, use in health care facilities
- Residential electrical system research
- Roofing, wind uplift certifications
- Smoke alarms and smoke detectors
- Smoke alarm, sensitivity calibration
- Sprinklers, field sample testing
- Sprinklers, general
- Sprinkler identification number (SIN) database
- Sprinkler piping, flexible
- Sprinklers, residential
- Suction fittings for swimming pools and spas
- Swimming pool luminaires, saltwater pools
- Switchboard short circuit ratings
- Underground tanks used above ground
- White book, web based training
- Wind turbines
- Window bar releasing device research
- Wire and cable marking considerations
