UL 497

Protectors for Communications Circuits

Org/Number IDUL 497
Alternate Organization ID / numberASA C33.22 ANSI/UL
Version(s)1965; 1979
Bin #0396
Comments
StatusPresent
Record last updatedJune 11, 2022, 8:29 pm

This is not the most recent edition of this standard.

Newer edition note: 2009