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13
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 table following shows the correct size to use
depending on the cord length and name plate
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
51-100 12
The drill press with a 230-volt plug should only be
connected to an outlet having the same
configuration (D, Fig. 7). 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.