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做了几年美标,这个问题貌似我能回复。 6 E; p7 _3 X( ~4 o* j
1598标准也是没有说明class2的线可以裸露在建筑内部哦,倒是8750这个标准有条款7.4.1.2,但这个线也是有限制的。这条款ITS那边是接受的;我问过UL,但是没有收到他们的确认回复邮件。3 J5 V6 n, U6 x$ E( S9 Y
7.4.1.2:Power limited circuit wiring that is intended to be routed within a building structure shall be of a
- Y" ~5 }" \$ C! [type suitable for application (e.g. CL2, CL2P, CL3, CL3P, CL3R, CM, CMP, CMR, or PLTC) and in
% t% n: V! A9 daccordance with Article 725 of the National Electrical Code (NEC), ANSI/NFPA 70 |
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