How Turn off Main Power Supply
Before starting any work, you must disconnect
(or "kill") the circuit you'll working its
source the service panel.EngineeringEBooksPdf. pulling
firmly the hand-
grips, you can remove
the blocks from the
cabinet and disconnect
all power.
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MAIN CIRCUIT BREAKER
SWITCHING THE MAIN BREAKER THE
OFF POSITION SHUTS OFF ALL POWER.
Chart Shows Color Coding Wires and Terminal Screws
Color Wire
White
Black
Red
Green
Bare Wire
Color Terminal
Screw
Silver White
Brass
Brass
Green
Green
Hot—Neutral
or Grounding Wire
Neutral Wire
Hot Wire
Hot Wire
Grounding Wire
Grounding Wire
fuses
Lever
a
on
0
9
1
a
— fH
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e
3 . The
main cartridge fuses
are mounted one or
two nonmetallic pull-
out blocks. When you
pull the handle the
OFF position, you shut
off the main power
supply.
Never work wiring, fixtures, switches, or
appliances when you're wet standing damp
spot. Lay down dry boards stand the floor
or ground wet.com
.
The light will out when you've removed the
correct fuse turned off the correct breaker.
If you have any doubt about which fuse or
breaker protects which circuit, shut off all current
coming into your home the main disconnect
While you're your service panel, spend another
moment prevent possible disaster.
CIRCUIT
BREAKER BOX
Pull-out block
t
Lever disconnect. An
external handle
controls contact with
two main fuses the
cabinet. your circuits are
protected fuses, removing the appropriate fuse
disconnects the circuit from incoming service. Still, it's good idea keep few
additional safety precautions mind.
www.
Remember that water and electricity don't mix. Tape note
on the panel explaining what you're doing one
will come along and replace the fuse reset the
circuit breaker while you're working the wiring.
Then either carry the fuse with you your pocket
or tape the circuit breaker its OFF position.
Pull-out block. a
service panel equipped with circuit breakers, you
can disconnect circuit switching its breaker
to the OFF position.
To make sure you disconnect the correct circuit,
turn light that's connected the circuit before
you remove the fuse turn off the circuit breaker.
With the electricity turned off, you can work in
complete safety
