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SECTION 2: CIRCUIT REQUIREMENTS
110V Operation
The Model H4378 is wired for 110V and will draw
2.5 amps. The Model H4379 is wired for 110V and
will draw 3.5 amps. If you operate this machine on
any circuit that is already close to its capacity, it
might blow a fuse or trip a circuit breaker.
However, if an unusual load does not exist and a
power failure still occurs, contact a qualified elec-
trician or our service department.
A 10 amp dedicated circuit should be used with
this grinder. Always check to see if your current
wires are capable of handling a 10 amp load. If
you are unsure, consult the advice of a qualified
electrician.
Extension Cords
If you find it necessary to use an extension cord
with the Model H4378/H4379, make sure the cord
is rated Hard Service (grade S) or better. Refer to
the chart in the standard safety instructions to
determine the minimum gauge for the extension
cord. The extension cord must also contain a
ground wire and plug pin. Always repair or replace
extension cords when they become worn or dam-
aged.
Grounding
In the event of an electrical short, grounding
reduces the risk of electric shock by providing
electric current a path of least resistance. This
tool is equipped with a power cord having an
equipment-grounding conductor. See Figure 1B.
The outlet must be properly installed and ground-
ed in accordance with all local codes and ordi-
nances.
H4378/H4379 Slimline Bench Grinder
This equipment must be
grounded. Verify that any
existing electrical outlet
and circuit you intend to
plug
grounded. Under no cir-
cumstances should the
grounding pin from any
three-pronged plug be
removed. Serious injury
may occur.
Figure 1A. Do not remove grounding pin.
Figure 1B. Typical 110V plug and outlet.
into
is
actually
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