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12
It is recommended that the sander be connected to
a minimum 15-amp circuit with circuit breaker or
fuse. If using fuses, they should be time-delay fuses
marked “D”. Local codes take precedence over
recommendations.
7.1 GROUNDING INSTRUCTIONS
1. All Grounded, Cord-connected Tools:
This tool must be grounded. 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. Failure to comply may cause serious
or fatal injury.
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.
2. Grounded, cord-connected tools intended for use
on a supply circuit having a nominal rating less than
150 volts:
This tool is intended for use on a circuit that has an
outlet that looks like the one illustrated in A, Figure
7-1. An adapter, shown in B and C, may be used to
connect this plug to a 2-pole receptacle as shown in
B if a properly grounded outlet is not available. The
temporary adapter should be used only until a
properly grounded outlet can be installed by a
qualified electrician.
Note: In Canada, the use of a temporary adaptor is
not permitted by the Canadian Electrical Code,
C22.1.
The 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.
Figure 7-1: plug configurations
3. Grounded, cord-connected tools intended for use
on a supply circuit having a nominal rating between
150 - 250 volts, inclusive:
This tool is intended for use on a circuit that has an
outlet that looks like the one illustrated in D, Figure
7-1. A grounding plug may be installed, that looks
like the plug illustrated in D; or the grinder may be
“hard-wired” to a panel, provided there is a
disconnect for the operator.
Make sure the tool is connected to an outlet having
the same configuration as the plug. No adapter is
available or should be used with this tool. If the tool
must be reconnected for use on a different type of
electric circuit, the reconnection should be made by
qualified service personnel; and after reconnection,
the tool should comply with all local codes and
ordinances.
4. Permanently connected tools:
This tool should be connected to a grounded metal
permanent wiring system; or to a system having an
equipment-grounding conductor.
5. Polarized plugs – To reduce the risk of electric
shock, this equipment has a polarized plug (one
blade is wider than the other). This plug will fit in a
polarized outlet only one way. If the plug does not fit
fully in the outlet, reverse the plug. If it still does not
fit, contact a qualified electrician to install the proper
outlet. Do not change the plug in any way.
7.2 Extension cords
The use of extension cords is discouraged. Try to
position equipment near the power source. If an
extension cord becomes necessary, use only three-
wire extension cords that have three-prong
grounding type plugs and three-prong receptacles
that accept the tool's plug. Replace or repair
damaged or worn cord immediately.
Make sure your extension cord is in good condition,
and is heavy enough to carry the current your
product will draw. An undersized cord will cause a
drop in line voltage resulting in loss of power and
overheating.
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