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14
Grounding Instructions
This tool must be grounded while in use to
protect the operator from electric shock.
In the event of a malfunction or breakdown,
grounding provides a path of least resistance for
electric current to reduce the risk of electric
shock. This tool is equipped with an electric cord
having an equipment-grounding conductor and a
grounding plug. The plug must be plugged into a
matching outlet that is properly installed and
grounded in accordance with all local codes and
ordinances.
Do not modify the plug provided. If it will not fit
the outlet, have the proper outlet installed by a
qualified electrician.
Improper connection of the equipment-
grounding conductor can result in a risk of
electric shock. The conductor, with insulation
having an outer surface that is green with or
without yellow stripes, is the equipment-
grounding conductor. If repair or replacement of
the electric cord or plug is necessary, do not
connect the equipment-grounding conductor to a
live terminal.
Check with a qualified electrician or service
personnel if the grounding instructions are not
completely understood, or if in doubt as to
whether the tool is properly grounded. Use only
three wire extension cords that have three-prong
grounding plugs and three-pole receptacles that
accept the tool’s plug.
Repair or replace a damaged or worn cord
immediately.
Extension Cords
Make sure your extension cord is in good
condition. When using an extension cord, be
sure to use one heavy enough to carry the
current your machine will draw. An undersized
cord will cause a drop in the line voltage
resulting in power loss and overheating. The
following table shows the correct size to use
depending on the cord length and nameplate
ampere rating. If in doubt, use the next heavier
gauge. Remember, the smaller the gauge
number, the heavier the cord.
Length of
Cord
AWG
0–25 16
25-50 14
The drill press with a 230-volt plug should only
be connected to an outlet having the same
configuration (D, Fig. 17). No adapter is
available or should be used with the 230-volt
plug.
Important: In all cases (115 or 230 volts), make
certain the receptacle in question is properly
grounded. If you are not sure, have a registered
electrician check the receptacle.