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UL 1283:7ED 2017-05

Current
Current

The latest, up-to-date edition.

Electromagnetic Interference Filters
Available format(s)

Hardcopy

Published date

05-17-2017

Foreword
Introduction
1 Scope
2 Glossary
3 Units of measurement
4 Components
5 References
Construction
6 General
7 Appliance filters
8 Frame and enclosure
    8.1 General
    8.2 Metal enclosures
    8.3 Nonmetallic enclosures
9 Corrosion protection
10 Supply connections
    10.1 Facility Filters
    10.2 Cord-connected filters
    10.3 Direct-plug-in type
11 Power-supply-cord bushings
12 Strain relief
13 Receptacles
14 Overcurrent protection
15 Switches and controllers
16 Facility-filter mounting
17 Insulating materials
18 Live parts
19 Accessibility of live parts
20 Flammability characteristics of polymeric materials
21 Wiring
22 Spacings
23 Grounding
24 Capacitors
Performance
25 General
26 Leakage current
27 Temperature
28 Dielectric voltage-withstand
29 Insulation resistance
30 Overload
31 Endurance
32 Abnormal operation
33 Grounding continuity
34 Strain relief
35 Direct plug-in units - mechanical strength tests
36 Pullout, bending, and twisting
37 Capacitor discharge
38 Ignition through bottom openings
39 Withstand
40 Instrumentation and calibration of high capacity
    circuits
    40.1 General
    40.2 Current and power factor determination (5000 and 10,000 A)
    40.3 Galvanometers
    40.4 Circuit calibration
    40.5 Current and power factor determination (over 10,000 A)
    40.6 Recovery voltage
    40.7 Shunting resistance
Manufacturing and Production Tests
41 Dielectric voltage-withstand
42 Grounding continuity
Ratings
43 Details
Markings
44 Details
45 Installation instructions
Appendix
A Standards for components

Specifies electromagnetic interference (EMI) filters installed on, or connected to, 1000 V or lower potential circuits, 50 - 60 Hz, or up to 1500 Vdc, and installed in accordance with the National Electrical Code.

DevelopmentNote
New child REV 2 2020 is added
DocumentType
Standard
Pages
0
ProductNote
NEW CHILD REV 1 2018 IS NOW ADDED. New child REV 2 2020 is added NEW CHILD REV 7 IS NOW ADDED
PublisherName
Underwriters Laboratories
Status
Current

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