UL 1449 3rd Edition for Surge Protection Devices (SPD)
Did you know?
If your supplier is not in compliance with 3rd Edition their product warranties could be up in as little as 2 years.
These document links offer important information about the UL 1449 Specifications for Surge Protection Devices:
OWHX and UL 1449 3rd Edition: A Closer Look
Explanation of changes to UL 1449 from 2nd Edition to 3rd Edition
UL Specifications and ETL Listings
ETL Listing Marks vs. UL Listing Marks
OSHA Approved Nationally Recognized Testing Laboratories
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