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| What wire colors should I use when wiring speakers with 4 conductor wire? |
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Last Updated
2nd o October, 2009
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Four conductor speaker wire usually has a black, green, red, and white (or yellow) wire.
Although there is no standard that we know of, we have found that most contractors use the following logic:
Since two conductor speaker wire usually has a black and red conductor,
and the black is designated "negative" with the red being
"positive", we use those two conductors for the first speaker.
Which speaker? The left, because we do many things from left to right.
This leaves the green and white (or yellow) conductors for the right
speaker. Which should be negative? In AC wiring, green is the color of
an earth ground, so we use that as negative. Which leaves white for
positive.
This works out to:
Speaker
|
Terminal | Wire
Color
| Left
|
Negative (-) | Black | Left
|
Positive (+)
| Red | Right
|
Negative (-)
| Green | Right
|
Positive (+)
| White or Yellow
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| Visitor Comments |
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Comment #1 (Posted by Scott Trappe
)
I didn't see this, or I would have followed your advice. My wiring choice was similar, except that the white wire was the LEFT positive, and the RED wire was the RIGHT positive. My reasoning is that line-level audio cables traditionally are marked white for left and red for right, so that correspondence should be followed. Also, then one speaker is black & white, and the other is colored wire. Finally, since most speakers have back and red terminals, one wire is always wired to its matching connector: the black wire to the negative terminal on the let speaker, and the red wire to the positive terminal on the right speaker.
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