UL 1638:5ED 2016-01

Foreword
Introduction
1 Scope
2 General
Construction
3 Enclosure
4 Accessibility of uninsulated live parts, film-coated
    wire, and moving parts
5 Corrosion protection
6 Field wiring connections
7 Internal wiring
8 Components
9 Adhesive used to secure conductive parts
10 Spacings
Performance
11 General
12 Light output and flash rate/duration between pulses
    test
13 Variable voltage operation test
14 Temperature test
15 Endurance test
16 Components failure test
17 Component burnout test
18 Dielectric voltage-withstand test
19 Rain test
20 Variable ambient tests
21 Transients test
22 Vibration test
23 Jarring test
24 Corrosion tests
25 Tests on polymeric materials
26 High temperature exposure test
27 Flame test
28 Impact test
29 Infrared analysis
30 Ultraviolet light and water exposure test
Installation and operating instructions
31 General
Markings
32 General
33 Marking permanency tests
Appendix
A Standards for components

Pertains to visual signaling devices intended for indoor and/or outdoor installation: a) In Canada, in accordance with CSA C22.1, Canadian Electrical Code, Part I, Safety Standard for Electrical Installations; and with CAN/ULC S524, Standard for Installation of Fire Alarm Systems. Refer to CAN/ULC S525, Audible Signaling Devices for Fire Alarm and Signaling Systems, Including Accessories, CAN/ULC-S541, Speakers for Fire Alarm and Signaling Systems, Including Accessories, for requirements pertaining to audible devices and speakers; and b) In the United States in accordance with the National Electrical Code, NFPA 70, and the National Fire Alarm and Signaling Code, NFPA 72.