功率线一般会用在什么地方？

jsspace · 发表于 2013-11-14 14:50

功率线一般会用在什么地方？

stey · 发表于 2013-11-14 15:57

本帖最后由 stey 于 2013-11-14 17:05 编辑

这种线一般是低压线，（更正：电压具体看标准Cables for Class 3 circuits are rated for 300 volts but are not so marked. Cables for Class 2 circuits do not have a voltage rating. See 46.1 (h).）

UL 13：2007 有功率限制的电路电缆Standard for Power-Limited Circuit Cables

Power-Limited Circuit Cables

UL 13

1 Scope

1.1 These requirements cover 60 - 250°C (140 - 482°F) single- and multiple-conductor power-limited circuit cables for use as fixed wiring within buildings (some are also marked for direct burial) principally for Class 3 and Class 2 circuits as described in Article 725 and other applicable parts of the National Electrical Code (NEC). Cables covered by these requirements are:

a) Types CL3P and CL2P (plenum cables),

b) Types CL3R and CL2R (riser cables),

c) Types CL3 and CL2 (commercial cables for other than plenum, riser, or tray uses),

d) Types CL3X and CL2X (cables for limited use), and

e) Type PLTC (cable for non-plenum and non-riser Class 3 and Class 2 circuits in general and in trays).

stey · 发表于 2013-11-14 17:05

更正：电压具体看标准Cables for Class 3 circuits are rated for 300 volts but are not so marked. Cables for Class 2 circuits do not have a voltage rating. See 46.1 (h).）

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