Grounding & Plug Requirements; Extension Cords - Grizzly G0720R Owner's Manual

Heavy-duty benchtop milling machine
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Grounding & Plug Requirements
The full-load current is not the maximum amount
of amps that the machine will draw. If the machine
is overloaded, it will draw additional amps beyond
the full-load rating.
If the machine is overloaded for a sufficient length
This machine is equipped with a power cord that
of time, damage, overheating, or fire may result—
has an equipment-grounding wire and a grounding
especially if connected to an undersized circuit.
plug. Only insert plug into a matching receptacle
To reduce the risk of these hazards, avoid over-
(outlet) that is properly installed and grounded in
loading the machine during operation and make
accordance with all local codes and ordinances.
sure it is connected to a power supply circuit that
DO NOT modify the provided plug!
meets the specified circuit requirements.
Serious injury could occur if you connect
machine to power before completing setup
process. DO NOT connect to power until
instructed later in this manual.
GROUNDED
5-15 RECEPTACLE
Grounding Prong
5-15 PLUG
Neutral Hot
Figure 2. Typical 5-15 plug and receptacle.
SHOCK HAZARD!
Two-prong outlets do not meet the grounding
requirements for this machine. Do not modify
or use an adapter on the plug provided—if
it will not fit the outlet, have a qualified
electrician install the proper outlet with a
verified ground.
-10-
Improper connection of the equipment-grounding
wire can result in a risk of electric shock. The
wire with green insulation (with or without yellow
stripes) is the equipment-grounding wire. If repair
or replacement of the power cord or plug is nec-
essary, do not connect the equipment-grounding
wire to a live (current carrying) terminal.
Check with a qualified electrician or service per-
sonnel if you do not understand these grounding
requirements, or if you are in doubt about whether
the tool is properly grounded. If you ever notice
that a cord or plug is damaged or worn, discon-
nect it from power, and immediately replace it with
a new one.

Extension Cords

We do not recommend using an extension cord
with this machine. If you must use an extension
cord, only use it if absolutely necessary and only
on a temporary basis.
Extension cords cause voltage drop, which can
damage electrical components and shorten motor
life. Voltage drop increases as the extension cord
size gets longer and the gauge size gets smaller
(higher gauge numbers indicate smaller sizes).
Any extension cord used with this machine must
be in good condition and contain a ground wire
and matching plug/receptacle. Additionally, it must
meet the following size requirements:
Minimum Gauge Size ...........................12 AWG
Maximum Length (Shorter is Better).......50 ft.
Model G0720R (Mfg. Since 11/10)

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