Do Zero Surge products limit the current? No. Zero Surge products are not current limiting. There is less copper wire in a Zero Surge unit than between the local distribution transformer and your equipment. For more information, please review our Tech Note. Tech Note About Non-Current Limiting By Donna De Vico|2026-10-23T12:01:46-04:0010/23/26|Zero Surge Product Specific| Share This Story, Choose Your Platform! FacebookXRedditLinkedInWhatsAppTelegramTumblrPinterestVkXingEmail About the Author: Donna De Vico Sales and Marketing Director with over 24 years in the surge protection industry.