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UL 1424:4ED 2015-01

Current
Current

The latest, up-to-date edition.

Cables for Power-Limited Fire-Alarm Circuits
Available format(s)

Hardcopy

Language(s)

English

Published date

22-01-2015

Foreword
Introduction
1 Scope
2 Units of measurement
3 References and terms
Construction
4 Materials
5 Conductors
6 Metal coating
7 Insulation
8 Coaxial and optical-fiber members
9 Individual covering
10 Electromagnetic shield(s)
11 Binder(s)
12 Assembly of multiple-conductor cable
13 Cable jacket
14 Metal covering
15 Jacket over metal covering
Performance
16 Continuity test of conductors and Shields
17 D-C resistance test of copper conductors
18 Cold bend test of insulation
19 Cold bend test of complete cable
20 Smoke and fire testing of type FPLP cable
21 Fire testing of type FPLR cable
22 VW-1 (vertical-specimen) flame test
23 Alternative vertical-tray flame tests on type FPL
    cable
24 Sunlight resistance test
25 Spark test after insulating
26 Dielectric voltage-withstand test
27 Test for insulation resistance at 60.0 deg F (15.6
    deg C)
28 Test procedure for determining the multiplying-
    factor column for adjusting insulation resistance
29 Shrinkback test on thermoplastic insulation
30 Crushing resistance test of insulation
31 Crushing test for cable marked for direct burial
32 Mechanical water absorption test of insulation in
    direct-burial cable
33 Copper sulphate test of zinc coating on steel strip
    for and from interlocked steel armor
34 Abrasion resistance test of overall jacket on cable
    consisting of a single coaxial member
35 Tension test of interlocked steel or aluminium armor
36 Flexibility test for cable having interlocked armor
    or a smooth or corrugated metal sheath
37 Durability test of ink printing
Markings
38 Intervals
39 Coding
40 Information on or in the cable
41 Information on the tag, reel, or carton
42 Multiple markings

Specifies 60 - 250 degrees C (140 - 482 degrees F) single- and multiple-conductor cables for use as fixed wiring within buildings (some are also marked for direct burial) principally for power-limited fire-alarm circuits as described in Article 760 and other applicable parts of the National Electrical Code (NEC).

DocumentType
Standard
Pages
0
PublisherName
Underwriters Laboratories
Status
Current

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