3
Ba
s
ic Guid
e
lin
es
For
W
or
k
ing
W
ith El
e
ctricit
y
1.
Before working on a circuit, go to the main service panel
and remove the fuse or trip the breaker that controls that
circuit.
2.
Tape a sign to the panel warning others to leave the circuit
alone while you work.
3.
Before touching any wire, use a voltage tester to make
sure it’s not live.
4.
Whenever you check for voltage in a receptacle, check
both outlets; each may be controlled by a separate wiring
circuit.
5.
When replacing fuses, turn off the main pow
HU¿
rst. Make
sure your hands and feet are dry, and place one hand behind
your back to prevent electricity from making a complete
circuit through your chest. Touch a plug fuse only by its
insulated rim.
6.
Remove cartridge fuses with fuse puller.
7.
Use tools with insulated handles and ladders made of
w
RRGRU¿EH
rglass.
8.
To protect children, place safety cover over any unused
outlets.
Shut off main
power at the
circuit breaker
or fuse panel
before removing
ROG¿[WX
re.
Remove
ROG¿[WX
re.
Disconnect wire.
OFF
MAIN
POWER
Содержание 20772
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