1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUNDERWRITERS LABORATORIES INC. CERTIFICATION REQUIREMENT DECISIONThis Certification Requirement Decision is prepared and published by Underwriters Laboratories Inc.(UL). It is normative for the a
2、pplicable UL Product Certification Program(s); however, it is currently notpart of the UL Standard(s) referenced below.Product Category (CCN): AVLV2Standard Number: UL 758Standard Title: Standard for Appliance Wiring MaterialEdition Date: May 2, 2014Edition Number: 3Section / Paragraph Reference: Ta
3、ble 5.3Subject: Conductor Material for max 350C rated AWMDECISION:Excerpt of Table 5.3Table 5.3Conductor metal specificationsConductor metal ASTM reference for themetalTemperature limit for themetal, C (F)Other limitsCopper, uncoated or tincoated, each strand at least0.015 inch (0.38 mm) indiameter,
4、 metallurgicallybondedANSI/ASTM B 286, B 470 200 (392) For use where flexibility is nota concern. Metallurgicallybonded via heat or theaddition of tin (topcoated, overcoated)Copper, silver-coated ANSI/ASTM B 298 200 (392)Copper, nickel-coated ANSI/ASTM B 355 250 (482)Copper, nickel-coated, Class10AN
5、SI/ASTM B 355 350 (662)Copper, nickel-coated, TypeA, 27 percent minimum nickelcoated copperANSI/ASTM B 355 550 (1022)Copper, gold coated Per the requirements in theother limits column200 (392) Copper per ASTM B 3 Goldcoating per ANSI/ASTM B 488Copper, oxygen free, eachstrand less than 0.015 inch(0.3
6、8) in diameterANSI/ASTM B 170 150 (302)RATIONALE FOR DECISION:Industry standards allow Class 10 nickel coated copper to be used in applications up to 350C. This optionwas not available in UL 758. This revision proposes to add the requirements for conductor material usedup to a maximum of 350C.Copyri
7、ght 2015 Underwriters Laboratories Inc.UL, 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
8、opinion of Underwriters Laboratories Inc. inpractically applying the requirements of the standard. They do not represent formal interpretations of thestandard under American National Standards Institute (ANSI) processes. UL shall not be responsible toUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHE
9、R REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULanyone for the use of or reliance upon Certification Requirement Decisions by anyone. UL shall not incurany obligation or liability for damages, including consequential damages, arising out of or in connectionwith the use or reliance upon Certification Requirement Decisions. The electronic version of theCertification Requirement Decision is the current version and previously printed copies may be outdated.This document is published as a service to ULs certification customersSTANDARD NUMBER: UL 758 -2-
