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[結構重量] 請問2464和2725的區(qū)別在那些地方呢?

P:2008-11-20 15:57:48

1

請問2464和2725的區(qū)別在那些地方呢?

hygroscopic tape - 吸濕帶 （0） 投訴

P:2008-11-20 16:08:04

2

對照式樣活頁篇你就可以知道它們的區(qū)別在哪里了

order wire - 傳號線,掛號線,通信線<維護人員用> （0） 投訴

P:2008-11-20 16:14:30

3

2464是80度，300V,2725是80度，30V

 

welding gun - 焊槍,焊接槍 （0） 投訴

P:2008-11-20 16:33:44

4

同樣一款線，2464的外被外徑要比2725的要大，而且對于芯線來說2725一般是要復絞，2464則可以一次交合

IBE - Institute of British Engineers英國工程師協(xié)會 （0） 投訴

P:2008-11-22 11:46:30

5

<DIV align=center>

UNDERWRITERS LABORATORIES

APPLIANCE WIRING MATERIAL

</DIV>

 

<DIV align=center>

Subj.758

Section 2

Page 2464

Issued:1968-05-02

Revised:2008-05-27

</DIV>

 

<DIV align=center>

Style 2464

Jacketed Cable.

</DIV>

 

<DIV align=center>

Rating

80 deg C, 300 Vac, Cable flame.

</DIV>

 

<DIV align=center>

Insulation

Labeled or complying with manufacturer's AWM Procedure.

</DIV>

 

<DIV align=center>

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.

</DIV>

 

<DIV align=center>

Shield

Optional.

</DIV>

 

<DIV align=center>

Covering

Optional.

</DIV>

 

<DIV align=center>

Jacket

PVC

</DIV>

 

<DIV align=center>

Dia of Cable under jacket in inches of 0.700 or less

30 mils min average

24 mils minimum at any point

0.701-1.000 dia

45 avg

36 min

1.001-1.500 dia

60 avg

48 min

1.501-2.500 dia

80 avg

64 min

2.501-4.000 dia

110 avg

88 min

4.001 dia and larger

140 avg

112 min

</DIV>

 

<DIV align=center>

Standard

Appliance Wiring Material UL 758.

</DIV>

 

<DIV align=center>

Marking

General.

</DIV>

 

<DIV align=center>

Use

Internal wiring or external interconnection of electronic equipment (such as desk-type calculators, dictating machines, or x-ray equipment).

</DIV>

 

 

 

<DIV align=center>

UNDERWRITERS LABORATORIES

APPLIANCE WIRING MATERIAL

</DIV>

 

<DIV align=center>

Subj.758

Section 2

Page 2725

Issued:1975-05-02

Revised:2008-05-27

</DIV>

 

<DIV align=center>

Style 2725

Electronic Cable.

</DIV>

 

<DIV align=center>

Rating

60, 80 deg C, 30 Vac, Horizontal flame.

</DIV>

 

<DIV align=center>

Insulation

Labeled or Complies with manufacturer's AWM Procedure.

</DIV>

 

<DIV align=center>

Assembly

Two to four parallel, or two or more twisted insulated singles or groups of twisted singles twisted together or groups of twisted singles may be laid parallel to form flat or oval cable. Lay not specified. Barrier layer and/or fillers optional. Manufacturer shall maintain a complete description of each assembly. Diameter of assembly under jacket one inch maximum.

</DIV>

 

<DIV align=center>

Shield

Optional.

</DIV>

 

<DIV align=center>

Jacket

PVC, 9 mils min average, 7 mils minimum at any point.

</DIV>

 

<DIV align=center>

Standard

Appliance Wiring Material UL 758.

</DIV>

 

<DIV align=center>

Marking

General.

</DIV>

 

<DIV align=center> </DIV><DIV align=center>

Use

Internal wiring of electronic equipment in Class 2 systems only.

</DIV>

 

 

英文水平有限,以上的紅色字中是什么意思呢?

flyer-decoiler - 越端式圈線放線架 （0） 投訴

P:2009-07-07 16:15:55

6

以上的紅色字中是什么意思呢?      我也想知道,請高手指點!!!!

EHT. - extra-high tension極高壓 （0） 投訴

P:2009-10-15 11:13:23

7

學習學習

genophysical cable - 地球物理用電纜 （0） 投訴

P:2009-10-20 11:36:57

8

對照5樓的兩份UL要求表就能明白有什麼差異了。

主要耐壓值不同.

在線纜設計時，針對芯線和外被絕緣皮層度要求也不同.

UL2464要比UL2725要求厚，OD做的大

tape type - 包帶式 （0） 投訴

P:2010-04-22 13:04:54

9

電 壓 

nylon coated wire - 尼龍包層線 （0） 投訴

P:2010-04-28 10:05:28

10

BU  CUO

integral cooling - 直接冷卻,整體冷卻 （0） 投訴

10


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