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Standard 1449, Edition 4

Standard for Surge Protective Devices

UL CSDS Proposal
Standard 1449, Edition 4 Edition Date: December 08, 2017
Summary of Topics b1449_4_20171208_sum.html

Subject 1449

Bulletin Dated: December 8, 2017


The following changes in requirements to the Standard for Surge Protective Devices, UL 1449, are being proposed:

1. Allowance for Lower Power Factors During Intermediate Current Testing

2. Addition of Hybrid-Type SPD Definition and Testing

Back to Standard 1449, Edition 4

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