1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUNDERWRITERS LABORATORIES INC. CERTIFICATION REQUIREMENT DECISIONThis Certification Requirement Decision is prepared by UL LLC. It is normative for the applicable ULProduct Certification Program(
2、s); however, it is currently not part of the UL Standard(s) referencedbelow.Product Category (CCN): PJAZStandard Number: UL 1569Standard Title: Standard for Metal Clad CableEdition Date: May 4, 2018Edition Number: 5Section / Paragraph Reference: 5.4Subject:DECISION:5.4 Test for tightness of armor on
3、 conductors5.4.1 Interlocked aluminum or zinc-coated steel armor intended for use as a ground path in accordancewith 4.1.2.3 and interlocked armor on a cable containing any 21.2 mm2 (4 AWG) or larger insulatedconductor(s) shall grip the cable to keep the conductor assembly from being withdrawn from
4、a sample 3m (10 ft) long by the application of a pull of 133 N or 13.6 kgf (30 lbf). The ends of the conductors shallnot recede into the armor more than 13 mm (0.5 in).5.4.2 Compliance with 5.4.1 shall be determined in accordance with the test, Tightness of armor in UL2556 or NMX-J-556-ANCE.RATIONAL
5、E FOR DECISION:During the harmonization of UL 1569, many test methods were removed from the document and instead,a reference to UL 2556 was made. In the case of the Tightness of Armor test, the requirement for slippagewas inadvertently omitted from the method. This revision corrects the oversight.Co
6、pyright 2018 UL LLCUL LLC, in performing its functions in accordance with its objectives, does not guarantee or warrant thecorrectness of Certification Requirement Decisions it may issue or that they will be recognized or adoptedby anyone. Certification Requirement Decisions are the opinion of UL LL
7、C. in practically applying therequirements of the standard. They do not represent formal interpretations of the standard underAmerican National Standards Institute (ANSI) processes. UL LLC shall not be responsible to anyone forthe use of or reliance upon Certification Requirement Decisions by anyone
8、. UL LLC shall not incur anyobligation or liability for damages, including consequential damages, arising out of or in connection withthe use or reliance upon Certification Requirement Decisions. The electronic version of the CertificationRequirement Decision is the current version and previously printed copies may be outdated.This document is published as a service to ULs certification customersUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULSTANDARD NUMBER: UL 1569 -2-No Text on This Page
