Historical
UL 2524 Ed. 2-2019
Standard for In-building 2-Way Emergency Radio Communication Enhancement Systems - Published Date: February 28, 2019
The revision of ANSI/CAN/UL 2524 is being reissued to better align with our formatting guidelines. Text that has been changed in any manner or impacted by UL's electronic publishing system is marked with a vertical line in the margin.
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Underwriters Laboratories [ul]