Technical Information and White Papers

Filtering out Power Surge Filters

Lubricants and Anti-Corrosion Compounds

Metal Oxide Varistor Overload and Heating in a Surge Protector

Continuous Current Ratings of UL 414 Type Meter Extension Sockets Explained

Recommended Installation - Maximizing Surge Protector Performance


UL 1449 4th Edition - Published August 2014

OWHX and UL 1449 3rd Edition - A Closer Look

Explanation of Changes from UL 1449 2nd Edition to 3rd Edition

UL Specifications and RTL Listings

OSHA Approved Nationally Recognized Testing Laboratories (NRTL)