|
3.2.12 & K2 ]- S1 \1 j q- O. Q
Leads (tails) used for the connection to extra low voltage d.c. supply, shall be colour coded red( {( s" A- t; ^8 v7 B3 e) o
to indicate its intended connection to the positive termination, and shall be colour coded black. r8 F9 E, Q2 R& I% ^
to indicate its intended connection to the negative termination. . Z: @" ~0 w& C$ v# b
9 |; O# W, D _# k5 |6 g
Fixed terminations, when applied, shall be marked with the "+" sign to indicate the positive connection, and shall be
0 g$ [5 g; c. P4 k4 J* Rmarked with the "–" sign to indicate the negative connection.
( t4 o& h4 [$ |6 Y$ x N, T
" M `3 @: F3 N' D9 X$ K是否是这个意思? |
|