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[问题求助] 1631电子线的有关知识
P:2007-08-06 13:51:56
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UNDERWRITERS LABORATORIES INC. APPLIANCE WIRING MATERIAL
Subj. 758 Section 1 Page 1631 Issued: 1981-05-20
Style 1631 Polyethylene Insulated - Coaxial Cable.
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Rating 60 or 80°C, 30 V.
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Conductor 40 AWG minimum, material not specified.
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Insulation Solid or Cellular Polyethylene, 3 mils minimum at any point, 100 mils maximum. May be irradiated.
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Shield Optional.
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Inner Covering Optional - Extruded PVC, polyamide, TPE, FEP, PVDF, ETFE, Irradiated P.E., or FRPE or lacquered braids, 2 mils min. at any point.
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Outer Conductor Optional.
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Outer Covering Optional over braided metal shield, otherwise, Extruded PVC,
polyamide, FEP, PVDF, ETFE or Lacquered braid, 2 mils min, at any point.
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Standard Appliance Wiring Material UL 758.
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Instructions Detailed Examination.
to UL
Representative
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UL (4) Detailed Examination.
*Counter-Check (12) Horizontal Flame Test.
Program
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Marking General.
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Use Internal Wiring of Electronic Equipment in Class 2 Circuits only.
reinforced lead sheath - 加固式铅护套，加厚型铅护套 （0） 投诉
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