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jsspace 发表于 2015-12-25 12:25  : t& ]$ w5 {- K: y1 Y- H6 i4 d4 m
其实有规定的，我看到UL1598上有写明白色的是零线，火线的颜色没有规定，跟零线不同即可
谁敢说没有规定的？- N6 A7 d" F" D
6.10 Identification and polarity6 w/ X& S) s3 s2 ~: {( a
6.10.1 A conductor terminal intended for the connection of the neutral conductor of the branch circuit shall be substantially white in color or be marked neutral adjacent to the terminal in accordance with Table 20.1.1, Item 1.5.6 s: R7 R8 J2 b( t+ U, I( L' I8 K
6.10.2 The insulation on a conductor intended for connection to the neutral conductor of the branch circuit shall be identified by one of the following means:4 W5 C; F3 `. R/ {
(a) be colored white or grey;0 E+ G2 |6 j* ^. C. ] T" W
(b) be of any color except green, with a continuous white tracer throughout its length;
9 M1 ?4 L, H; B+ u M! F(c) be identified at the point where connected to the branch circuit by white paint, tape, ink, or permanent tag; or+ M; f7 A% J- ]- n+ O+ P1 q
(d) be provided with one or more raised longitudinal ridges, if a parallel conductor flexible cord.
: v* l1 L& q: R" g8 ?6.10.3 The identified terminal of a wiring device shall be connected to the neutral conductor of the branch circuit.
8 Z: J6 q4 g2 c( j6 W0 r6.10.4 A cord-and-plug-connected luminaire equipped with a polarized two-pole, two-wire parallel blade attachment plug shall be marked for proper polarity in accordance with Table 20.1.1, Item 4.5. |
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