Standard 1971, Edition 3
UL 1971

Signaling Devices for the Deaf and Hard of Hearing

UL Standard Edition 3 Published Date: November 29, 2002 Last Revision: February 15, 2024 ANSI Approved: February 15, 2024

$402.00-$998.00

Revisions and Related Documents

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February 15, 2024 Redline Revision
August 29, 2018 Revision
October 31, 2013 Revision
October 15, 2008 Revision
May 19, 2006 Revision
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May 03, 2004 Revision
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CSDS
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January 09, 2024
November 03, 2023
June 01, 2018
July 02, 2014
May 01, 2014
August 02, 2013
May 30, 2008
November 02, 2007
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Other Updates (3)

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Summary of Topics (SOT)
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December 17, 2008 View
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Referenced Standards (36)

Below is a list of UL Standards referenced in UL 1971

StandardEditionTitle
62 20 Flexible Cords and Cables
94 7 Tests for Flammability of Plastic Materials for Parts in Devices and Appliances
353 5 Standard for Limit Controls
489 13 Molded-Case Circuit Breakers, Molded-Case Switches, and Circuit-Breaker Enclosures
496 14 Lampholders
498 16 Attachment Plugs and Receptacles
746C 7 Polymeric Materials - Use in Electrical Equipment Evaluations
796 12 Printed Wiring Boards
810 6 Capacitors
817 12 Cord Sets and Power-Supply Cords
864 11 Control Units and Accessories for Fire Alarm Systems
969 5 Marking and Labeling Systems
985 6 Household Fire Warning System Units
1059 5 Terminal Blocks
1097 6 Double Insulation Systems for Use in Electrical Equipment
1236 8 Battery Chargers for Charging Engine-Starter Batteries
1283 7 Electromagnetic Interference Filters
1310 7 Class 2 Power Units
1446 8 Systems of Insulating Materials - General
1577 5 Optical Isolators
1642 6 Lithium Batteries
1863 4 Standard for Communications-Circuit Accessories
2111 1 Standard for Overheating Protection for Motors
4248-1 3 Fuseholders - Part 1: General Requirements
4248-4 2 Fuseholders - Part 4: Class CC
4248-5 2 Fuseholders - Part 5: Class G
4248-6 2 Fuseholders - Part 6: Class H
4248-8 3 Fuseholders - Part 8: Class J
4248-9 1 Fuseholders - Part 9: Class K
5085-1 1 Low Voltage Transformers - Part 1: General Requirements
5085-2 2 Low Voltage Transformers - Part 2: General Purpose Transformers
60691 4 Standard for Thermal-Links - Requirements and Application Guide
4248-11 1 Fuseholders - Part 11: Type C (Edison Base) and Type S Plug Fuse
4248-12 2 Fuseholders - Part 12: Class R
4248-15 1 Fuseholders - Part 15: Class T
60384-14 2 Fixed Capacitors for Use in Electronic Equipment - Part 14: Sectional Specification: Fixed Capacitors for Electromagnetic Interference Suppression and Connection to the Supply Mains
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Reverse Referenced Standards (5)

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