美女胸被狂揉扒开吃奶的网站o_亚洲日韩av中文无码专区_东京热激情无码专区_久久HEZYO久综合亚洲色_欧美成人高清视频_国产精品乡下勾搭老头_欧美一级v片在线播放_成人午夜国产视频_男女猛烈无遮挡免费动态图_亚洲一区国产精品视频

電線電纜網(wǎng) > 電力電纜 > UL3239的絕緣料只能是硅橡膠嗎?(完整版)

UL3239的絕緣料只能是硅橡膠嗎? - 無圖版

hawkxiaoli --- 2009-12-30 16:09:57

1

不太清楚~~~~想請教一下
3333chun --- 2009-12-31 07:44:30

2

很多種絕緣層多可以

 

3333chun --- 2009-12-31 07:49:25

3

UNDERWRITERS LABORATORIESAPPLIANCE WIRING MATERIAL
Subj.758Section 3Page 3239Issued:1969-10-13
Revised:2009-02-17
Style 3239High-Voltage Lead Wire

RatingMaximum 200 deg C, 60000 Vdc, VW-1 flame. See facing page for temperature and voltage ratings.
Conductor24-10 AWG copper or nickel and 12-10 AWG aluminum or 27-20 AWG Resistance Wire; solid or stranded. Or 24-10 AWG solid or stranded coated high strength copper - min 90% conductivity. Aluminum conductors shall be permitted for a 90 deg C maximum operating temperature. Copper conductors may be tinned, silver or nickel plated, heat bonded or overcoated.
InsulationThermoplastic and/or Thermosetting. See facing page for details.
ShieldSee facing page for details.
CoveringSee facing page for details.
JacketSee facing page for details.
StandardAppliance Wiring Material
-- 結(jié)束 --