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Standard 1971, Edition 3

Standard for Signaling Devices for the Hearing Impaired

UL Bulletin
Standard 1971, Edition 3 Edition Date: March 10, 2008 $203.00-$254.00
Summary of Topics m2572_1_20080310_sum.html

Subject 2572 (294, 365, 464, 609, 827, 864, 985, 1023, 1076, 1480, 1610, 1635, 1637, 1638, 1971, 1981, 2017, 60065, 60950)

Bulletin Dated: March 10, 2008

SUMMARY OF TOPICS

Underwriters Laboratories is inviting interested stakeholders to apply for membership on a new UL Standards Technical Panel (STP) on Control and Communication Units for Mass Notification Systems. The new STP will have responsibility for developing and maintaining new UL Standard ANSI/UL 2572, Standard for Control and Communication Units for Mass Notification Systems. The new standard will establish the safety requirements for discrete electrical control units, communication units, and accessories for emergency communication and mass notification systems, for installation and use in accordance with the requirements of the National Fire Alarm Code (NFPA 72), and NFPA 1221, Standard for the Installation, Maintenance, and Use of Emergency Services Communication Systems.

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