The "12" means No.
Chart Shows Color Coding Wires and Terminal Screws
Color Wire
White
Black
Red
Green
Bare Wire
Color Terminal
Screw
Silver White
Brass
Bras^s
Green
Green
Hot Neutral
or Grounding Wire
Neutral Wire
Hot Wire
Hot Wire
Grounding Wire
Grounding Wire
black- hotw're
around
wire
two-wire cable
with ground
white neutral wire
B black hot wire
*
8
three-wire cable X
with ground
In Example "A" above, the numbers and letters stamped
on the electric wire has the following meaning. wire
• NO. wire
^P NO.
The "N-M" means non-metalic
red
hot wire
>
V.
www. wire
^P NO. wire
• NO.
The "G" means with ground wire. wire
Amps
(Also Fuse or
Circuit Breaker size)
IJ amps
£\J amps
•30 amps
40 amps
JU amps
Watts
(Based 120 Volts)
at 80% loaded
1800 watts
2400 watts
3600 watts
4800 watts
6000 watts
The larger the wire gauge
number the smaller the
diameter the wire. ground
wire
white neutral wire
In Example "B" above, it
is exactly like Example A
except has three wires
instead the two.EngineeringEBooksPdf.com
. wire size.r
All About Electric Wire
CHECK WITH LOCAL CODES WIRING
SIZES NEEDED FOR YOUR WIRING PROJECT
Chart Shows Copper Wire Size, Amps and Watts
Wire Size
(Actual Size)
• NO.
The "2" means has two wires
