UL 1480:6ED 2016-01

FOREWORD
INTRODUCTION
1 Scope
2 General
3 Glossary
4 Instructions and drawings
CONSTRUCTION
Assembly
5 General
6 Enclosures
7 Protection against corrosion
Field wiring connections
8 General
9 Field-wiring compartments
10 Field-wiring terminals
11 Leads
12 Grounding
Internal wiring and assembly
13 General
14 Separation of circuits
15 Bonding for grounding
Components
16 General
17 Electrical components
18 Polymeric materials
19 Spacings
20 Operating components
PERFORMANCE
21 General
22 Waveform analysis test
23 Power input test
24 Variable voltage operation test
25 Frequency response test
26 Audibility test
27 Variable ambient tests
28 Humidity test
29 Corrosion test
30 Temperature test
31 Endurance test
32 Abnormal operation test
33 Transient pressure test
34 Mechanical strength test
35 Vibration test
36 Speaker burnout test
37 Strain relief test
38 Dielectric voltage-withstand test
39 Supervisory components test
MANUFACTURING AND PRODUCTION TESTS
40 General
41 Dielectric voltage-withstand test
MARKING
42 General
43 Permanence of marking
ACCESSORY EQUIPMENT
44 General
45 Construction
46 Performance (installation) test
47 Marking
OUTDOOR USE PRODUCTS
General
48 General
Construction
49 Enclosure
Performance
50 Test sequence
51 Immersion test
52 Variable ambient tests
53 Humidity test
54 Dust test
55 Corrosion tests
56 Water spray test
APPENDIX
A Standards for components

The following revisions are being issued for the Sixth Edition of ANSI/UL 1480, the Standard for Speakers for Fire Alarm and Signaling Systems, Including Accessories: 1. Clarification of Scope, Abnormal Operation and Burnout Test, and Mechanical Strength Tests for Enclosures 2. Reference Document Changes and Editorial Corrections

1.1 These requirements apply to speakers, rated at 300 V or less, for fire alarm and signaling systems and 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.