功率线一般会用在什么地方？

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功率线一般会用在什么地方？

stey

5 n* r' w: Y# o" E& K) o
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).）

/ V: U0 S) T$ E$ Q0 UUL 13：2007 有功率限制的电路电缆Standard for Power-Limited Circuit Cables

Power-Limited Circuit Cables
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UL 13
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5 R1 }7 e4 K' `- E* c1 Scope
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0 Y# F( n+ O# j$ |$ X; H! f1.1 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:
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0 m9 p# c" k, L( ra)    Types CL3P and CL2P (plenum cables),
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b)    Types CL3R and CL2R (riser cables),

- s* Y+ R$ K; Y# O" jc)    Types CL3 and CL2 (commercial cables for other than plenum, riser, or tray uses),
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d)    Types CL3X and CL2X (cables for limited use), and
; N) K! H" R: H; B: @: D- R8 b6 V( _
e)    Type PLTC (cable for non-plenum and non-riser Class 3 and Class 2 circuits in general and in trays).

stey

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).）