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10
Electrical
Grounding Instructions
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 3-wire extension cords that have 3-
prong grounding plugs and 3-pole receptacles
that accept the tool’s plug.
Repair or replace damaged or worn cord
immediately.
115 Volt Operation Only
Referring to Figure 5:
As received from the factory, your drill press is
ready to run at 115-volt operation. This drill
press, when wired for 115 volt, is intended for
use on a circuit that has an outlet and a plug that
looks like the one illustrated in (A). A temporary
adapter, which looks like the adapter shown in
(B), may be used to connect this plug to a two-
pole receptacle if a properly grounded outlet is
not available. The temporary adapter should
only be used until a properly grounded outlet
can be installed by a qualified electrician. This
adapter is not applicable in Canada. The green
colored rigid ear, lug, or tab, extending from the
adapter, must be connected to a permanent
ground such as a properly grounded outlet box.
Figure 5
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
table below 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.
Cord Length AWG
00 – 25ft 016
25 – 50ft 014
Important: Make certain the receptacle in
question is properly grounded. If you are not
sure, have a registered electrician check the
receptacle.