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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, as shown in
Figure 9.
230 Volt Operation
If 230 volt, single-phase operation is desired, the
following instructions must be followed to
convert from 115 to 230:
1. Disconnect machine from power source.
2. This dovetailer is supplied with six motor
leads that are connected for 115 volt
operation, as shown in Figure 10.
Reconnect these six motor leads for 230
volt operation, also shown in Figure 10.
3. The 115 volt attachment plug (Figure 8),
supplied with the dovetailer, must be
replaced with a UL/CSA listed plug suitable
for 230 volt operation, similar to the one
illustrated in Figure 11. Contact your local
authorized WMH Tool Group service center
or qualified electrician for proper procedures
to install the plug. The dovetailer must
comply with all local and national codes
after the 230 volt plug is installed.
4. The dovetailer with a 230 volt plug should
only be connected to an outlet having the
same configuration. 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.
Extension cords
If an extension cord is necessary, make sure the
cord rating is suitable for the amperage listed on
the machine’s motor plate. An undersized cord
will cause a drop in line voltage resulting in loss
of power and overheating.
Use the chart in Figure 12 as a general guide in
choosing the correct size cord. If in doubt, use
the next heavier gauge. The smaller the gauge
number, the heavier the cord.
Figure 10
Figure 11
AWG (American Wire Gauge)
Cord Length
240 Volt Lines 120 Volt Lines
0-50 Feet No. 16 No. 16
50-100 Feet No. 14 No. 14
Over 100 Feet No. 14 No. 12
Figure 12