Columns

Do washing machines require GFCI protection?

Are there any other such receptacle replacement requirements?

Is there anything new in wind turbine certifications?

UL has created two new wind turbine certification product categories, Wind Turbine Drive-train Systems and Equipment (ZGDT) and Wind Turbine Tower Assemblies (ZGTA)

Does UL certify (list) Photovoltaic (PV) module tracker devices?

UL does certify PV module trackers under the product category Photovoltaic Solar Trackers (QIKA)

DC AFCIs for Photovoltaic Systems Now Certified

Location of Electrical Distribution Equipment in a Building — Are we consistent on this subject?

The New 2012 Canadian Electrical Code

Added Values: How do we monetize them?

More Questions from Inspectors Numerous PV Systems Pose Issues

Does UL Certify (List) Circuit Breaker Pad Locking Devices?