UL插头两芯和三芯分别用在什么电器上？

mrhqwf

广东安规检测
有限公司提供：

小型摆管淋雨试验机

IPX5X6X7喷水试验机

1000L恒温恒湿箱

各种试验指现货

可程式恒温恒湿试验箱

水平垂直燃烧机

自动卷线器试验机

耐划痕试验机

各种灯头量规现货

灼热丝试验机现货

GB1002插头量规

IPX1-X7淋雨现货

IEC61347/UL935镇流器热试验箱

灯具防风罩

IK冲击试验机

UL498插头插座量规

VDE0620插头插座量规

稳定性试验台

家电温升测试角

针焰试验机现货

热电偶焊机现货

家电125mm试验指

E12灯头量规

无绳壶无绳电熨斗插拔寿命试验机

IEC60335试验指甲

大家好！我想问一下，UL插头分两芯和三芯，分别是用在什么类型的电器上？是标准要求的还是客户要求？谢谢！

byl77

分等级吧?class 1或者class 2或 class 3

aiduoxi

跟产品走的

水中月

应该是看产品！

mrhqwf

煮蛋器，Class I，120V,350W，用什么UL插头？两芯还是三芯？

mrhqwf

老大们帮忙 解决一下，谢谢了！！！

ouychp

外壳无可触摸的导电物体就用2芯，比如胶壳的充电器，外壳有可接触的导电物体就用3芯，比如铁壳的充电器

往事如烟

一般I类电器，使用三芯；其它使用二芯。

ouychp

Class 1 Circuit. The portion of the wiring system between the load side of the overcurrent device or power-limited supply and the connected equipment. The voltage and power limitations of the source are in accordance with 725.21.
9 {0 [# w# y3 T  [Class 2 Circuit.  The portion of the wiring system between the load side of a Class 2 power source and the connected equipment. Due to its power limitations, a Class 2 circuit considers safety from a fire initiation standpoint and provides acceptable protection from electric shock.
1 L: D5 e1 L2 {4 |  t# l4 e3 fClass 3 Circuit.  The portion of the wiring system between the load side of a Class 3 power source and the connected equipment. Due to its power limitations, a Class 3 circuit considers safety from a fire initiation standpoint. Since higher levels of voltage and current than for Class 2 are permitted, additional safeguards are specified to provide protection from an electric shock hazard that could be encountered.
* X1 r1 Y. s0 G$ {  \725.21 class 1circuit classifications and power source requirements.
' Z; \& ^' z; _6 A# tClass 1 circuits shall be classified as either class 1 power-limited circuits where they comply with the power limitations of 725.21(A) or as class 1 remote-control and signaling circuits where they are used for remote control or signaling purposes and comply with the power limitations of 725.21(B).
9 x7 Q4 Q% O0 o(A)    class 1 power-limited circuits.  These circuits shall be supplied from a source that has a rated output of not more than 30 volts and 1000 volt-amperes.
/ G& Y& E' ]  X+ ^1 d! X(1)    class 1 transformers.  Transformers used to supply power-limited class 1 circuits shall comply with article 450
(2)    other class 1 power sources.  
1 @: D2 K0 V6 t6 M1 Z" A9 r(B)    Cass 1 remote-control and signaling circuits.  These circuits shall not exceed 600volts the power output of the source shall not be required to be limited

mrhqwf

UL 3芯电源线最小的就是18AWG，晕，配上小小的煮蛋器，怎么看怎么别扭。做了样板了，客人看了也别扭，只好改2芯。