UL 469:4ED 2006-11-03
Current
The latest, up-to-date edition.
Standard for Musical Instruments and Accessories
Hardcopy
English
03-11-2006
Foreword
Introduction
1 Scope
2 General
3 Glossary
Construction
4 General
5 Enclosure
6 Mechanical assembly
7 Materials
8 Protection against corrosion
9 Current-carrying parts
10 Accessibility of live parts
11 Exposure to rain or moisture
12 Supply connections
13 Grounding
14 Supply-circuit-voltage selector
15 Capacitors
16 Lampholders
17 Receptacles
18 Overload protection
19 Internal wiring
20 Remote-control and interconnecting cables
21 Integrated circuits
22 Motors, coil windings, and transformers
23 Field-installed accessories
24 Switches and interlocks
25 Spacings
26 Risk of fire
27 Low-energy circuits
Protection against injury to persons
28 Scope
29 General
30 Power-operated moving parts
31 Enclosures and guards
32 Sharp edges
Performance
33 General
34 Normal-operation tests
35 Connector- and component-displacement and
-substitution tests
36 Leakage-current and shock-current tests
37 Resistance of grounding circuit test
38 Power-input test
39 Temperature test
40 Audio-output test
41 Dielectric voltage-withstand tests
42 Leakage current after humidity conditioning test
43 Capacitor test
44 Low-energy circuit tests for low-voltage, limited
energy circuits
45 Low-energy circuit tests for nonhazardous secondary
circuits
46 Abnormal-operation tests
47 Switching-device test
48 Solid-state switch test
49 Protective-circuit test
50 Remote-control and interconnection cable test
51 Strain-relief test
52 Separable-connector test
53 Flexing test
54 Solderless wire-wrap connections test
55 Strength of enclosure tests
56 Stability tests
57 Exposure to rain test
58 Grille-cloth test
59 Field-installed accessory test
Manufacturing and production tests
60 Dielectric voltage-withstand test
61 Grounding-continuity test
Rating
62 General
Marking
63 Permanence
64 Details
65 Graphic symbols and supplemental marking
Instructions
66 General
67 Instructions pertaining to a risk of fire, electric
shock, or injury to persons
68 Installation and operating instructions
69 User-maintenance instructions
Appendix
A Standards for components
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