Code Cable Nickname White
wire
Black
wire
Red
wire
Examples
in Typical
Circuit
p 2-

w
i
r
e
"power" neutral hot -- between
A3 & A4
L "light/leg" neutral switched -- between
A2 & A1
h "loop" hot switched -- between
B3 & B4
x (3-way)
(4-way)
traveler traveler -- also...
n 3-

w
i
r
e
(3-way)
(4-way)
hot or
switched or
traveler.
(not neutral)
hot or
switched or
traveler
hot or
switched or
traveler
between
B2 & C2
also...
t (3-way)
(4-way)
neutral traveler traveler between
A7 & B7
f "fed" neutral hot switched between
C3 & D3 or
B5 & C5
m "multiple" hot or
neutral
switched switched 2009
Larry Dimock
d "double" neutral hot hot also...