请问高手们UL3320 和 UL3122 有什么区别?谢谢！急！

UNDERWRITERS LABORATORIES INC. APPLIANCE WIRING MATERIAL
Subj. 758 Section 3 Page 3320 Issued: May 10, 1977
Revised: March 9, 2001
*Style 3320 Cross-Linked Synthetic Polymer Insulated Wire
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Rating 90°C, 600 Volts
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Conductor No. 30-2 AWG, inclusive, tinned or untinned solid or
stranded copper. Splices same as required
for rubber-insulated wire.
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Insulation Conductor Size Min Avg. Min at any point
AWG (Mils) (Mils)
______________ ________ ________________
30 - 9 30 mils 27 mils
8 45 mils 41 mils
7 - 2 60 mils 54 mils
Chemically cross-linked thermosetting polyethylene. See
Facing Page for compound identification or Type XHHW
compound per the latest bulletin.
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Standard Appliance Wiring Material UL 758.
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Instructions Detailed Examination
to UL Tensile strength and elongation of insulation, same as for
Representative Class XL UL 44 unaged.
See Facing Page if not specified.
Spark Test.
18 - 16 AWG - 6000 Volts
14 - 9 AWG - 7500 Volts
8 - 2 AWG - 10,000 Volts
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UL (4) Detailed Examination
Counter-Check (4) Tensile strength and elongation of insulation, same as
Program for Class XL, unaged and after aging - UL 44.
(4) Heat Shock, at 136°C.
(4) Deformation, T-2/T-1 equals 0.70.
(4) Cold Bend
(4) Horizontal Flame Test
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(Continued on Page 3320A)

UNDERWRITERS LABORATORIES, INC. APPLIANCE WIRING MATERIAL
Subj. 758 Section 3 Page 3122 Issued: April 22, 1960
Revised: March 7, 2001
Style 3122 Silicone Rubber-Insulated Wire.
Rating 200°C, 300 Volts.
Conductor No. 26-16 AWG, solid or stranded, silver plated, or
nickel coated copper conductor or nickel conductor or
tinned copper (tinned copper strands minimum 15 mils
diameter).
Insulation Nominal 1/64 inch wall Silicone Rubber, Class 22.
Covering Same as for Type SF-1 Fixture Wire.
Standard Appliance Wiring Material, UL 758.
Instructions
to UL
Representative
*
Same as for type SF-1 Fixture Wire but omit Insulation-
Resistance Test and Vertical Flame Test.
Spark Test.
Horizontal Flame Test.
UL
Counter-Check
*Program
(4) Same as for Type SF-1 Fixture Wire; omit Vertical
Flame Test, aging shall be conducted annually
(4) Horizontal Flame Test.
Marking General.
Use Internal Wiring of Appliances.

UL规定3122是编织硅胶线,很多日资厂要3320编织硅胶线,但UL 好象没规定,你不妨问问日新的人,好象他们有做