Safety Information
The table below shows the correct size to use
depending on cord length and nameplate ampere
rating If in doubt, use the next heavier gauge The
smaller the gauge number, the heavier the cord
Minimum Extension Cord Gauges
for 410-120 Grinder
Length
25 ft / 7 6 m
50 ft / 15 2 m
100 ft / 30 5 m
150 ft / 45 7 m
NEVER LEAVE TOOL RUNNING UNATTENDED
Turn power off Do not leave tool until it comes
to a complete stop
Setting up the Grinder
CAUTION The grinder must only be used in a
place that is protected from dust and dampness, is
well-lit, out of the reach of children, and away from
gases or other flammable or explosive liquids
The grinder must be situated near a normal
grounded electrical outlet Avoid using dangerous
extension cables
Electrical Connection
– Make sure the electrical system power supply
complies with the values written on the
rating nameplate
– The power supply voltage must not differ from
that written on the nameplate by ±5%
– The connection to the electric mains must be
prepared subject to current standards in force
in the country in which the machine is used
– The mains used for the machine must be
grounded, have an adequate fuse, and must be
protected by a ground fault protection device
with tripping sensitivity no higher than 30 mA
FIG. A
Cover of
grounded
outlet box
8
Gauge, AWG
18
16
16
14
FIG. B
Grounding
Pin
Grounding Instructions
A. In the event of 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
B. Grounded, cord-connected tools intended for
use on a supply circuit having a nominal rating less
than 150V~ This tool is intended for use on circuit
that has an outlet that looks like the one illustrated
in FIG A The tool has a grounding plug that looks
like the plug illustrated in FIG B A temporary
adapter, which looks like the adapter illustrated in
FIG C, may be used to connect this plug to a 2-pole
receptacle as shown if a properly grounded outlet
is not available The temporary adapter should be
used only until a qualified electrician can install a
properly grounded outlet The Grounding Means
green-colored rigid ear, lug, and the like, extending
from the adapter must be connected to a permanent
ground such as a properly grounded outlet box
FIG. C
Adapter
Grounding
Means
Metal
Screw
Cover of grounded
outlet box
410-120