![header thumbnail](/images/publishers\ul_cover.gif)
UL 1437:4ED 2006-12-12
Current
The latest, up-to-date edition.
![header thumbnail](/images/publishers\ul_cover.gif)
Standard for Electrical Analog Instruments - Panel Board Types
Hardcopy
English
12-12-2006
Foreword
Introduction
1 Scope
2 Components
3 Units of measurement
4 References
5 Glossary
Construction
6 General
7 Enclosure and insulating materials
8 Accessibility of live parts
9 Connection devices
10 Internal wiring
11 Separation of circuits
12 Spacings
13 Grounding
14 Component parts and accessories
15 Subdivision of circuits into groups
Performance
16 General
17 Leakage current
18 Normal temperature test
19 High-ambient temperature evaluation
20 Insulation voltage test (dielectric voltage-
withstand test)
21 Humidity conditioning
22 Torque test for terminals
23 Testing under fault conditions
24 Polymeric enclosure - stress-relief distortion
25 Enclosure impact test (does not apply to windows)
26 Window impact
27 Polymeric-enclosure pressure
28 Window pressure
Manufacturing and production tests
29 General
Markings
30 Details
31 Caution and warning notices
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.