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[问题求助] UL 2464做老化实验时候，需要做芯线的老化实验不？
P:2008-03-19 09:23:17
6
如果只做2464，芯线是不要求的。但是在生产后，UL跟踪服务会考察你的芯线，必须是通过了UL认证的芯线。比如您自己的认证过的线或者使用别的厂家的UL认证芯线即可。
参考：
UNDERWRITERS LABORATORIES INC. APPLIANCE WIRING MATERIAL
Subj. 758 Section 2 Page 2464 Issued: 1968-05-02
Revised: 2003-05-02
Style 2464 PVC Jacketed Cable.
______________________________________________________________________________
Rating 80°C, 300 V.
______________________________________________________________________________
Insulated Labeled or complying with manufacturer's AWM Procedure
Conductors having a minimum rating of 80°C and 300 V.
______________________________________________________________________________
Assembly Two or more singles, twisted pairs of groups of twisted
singles twisted together or singles or groups of singles
may be laid parallel to form flat, oval or round cable.
Lay not specified. Barrier layer and/or fillers optional.
Manufacturer shall maintain a complete description of each
assembly. May use same or mixed AWG size.
______________________________________________________________________________
*Covering (Optional.)
______________________________________________________________________________
Shield Optional.
______________________________________________________________________________
Jacket PVC - Class 43
THICKNESS OF PVC JACKET (mils)
#Dia. of Cable Minimum
Under Jacket Minimum at any
in Inches Average point
0.700 or less 30 24
0.701 - 1.000 45 36
1.001 - 1.500 60 48
1.501 - 2.500 80 64
2.501 - 4.000 110 88
4.001 or larger 140 112
# Major diameter if cable is flat or oval.
______________________________________________________________________________
Braid Optional.
______________________________________________________________________________
Standard Appliance Wiring Material UL 758.
______________________________________________________________________________
(Continued on Page 2464A)
UNDERWRITERS LABORATORIES INC. APPLIANCE WIRING MATERIAL
Subj. 758 Section 2 Page 2464A Issued: 1968-05-02
Revised: 2003-05-02
Instructions Detailed Examination of the cable assembly and jacket.
to UL Physical Properties of Jacket.
Representative Dielectric Strength Test, 1500 Volts (shielded cable only).
The designation of all Styles of the individual conductors used making up the cable assembly shall be available, and the UL Representative’s tag shall indicate if the Style is labeled or not. If they are not labeled, the appropriate Follow-Up Tests shall be conducted.
______________________________________________________________________________
UL (4) Detailed Examination.
Counter-Check (4) Physical Properties of Jacket.
Program (4) Heat Shock on Jacket.
(4) Cold Bend on Completed Cable.
(4) Deformation on Jacket, Class 43.
(12) Cable Flame Test on Completed Cable.
If the insulated styles are not labeled, the appropriate Follow-Up Tests shall be conducted.
______________________________________________________________________________
Marking General.
______________________________________________________________________________
Use Internal wiring or external interconnection of electronic
equipment (such as desk-type calculators, dictating
machines, or x-ray equipment).
stamped punch - 字模冲子 （0） 投诉
P:2008-07-23 16:36:42
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(4) Detailed Examination.
(4) Physical Properties of Jacket.
(4) Heat Shock on Jacket.
(4) Cold Bend on Completed Cable.
(4) Deformation on Jacket, Class 43.
(12) Cable Flame Test on Completed Cable.
这个就是UL抽样所检测的所有项目与频次了,没有提到检查芯线的老化性能。
但是理论上讲所有的性能都要合格，才能称为合格的产品。只是应付检查，达到以上6条要求就够了
bus - 汇流排,母线 （0） 投诉
19
