14
Figure 6-1
230 Volt Operation
To convert the JWBS-15 or JWBS-18 from 115V to
230V, single phase operation, the following is
strongly recommended:
Contact your local Authorized JET Service Center
or qualified electrician for proper procedures to
install the plug. The band saw must comply with all
local and national codes after the 230V plug is
installed.
1. Switch the motor lead wires inside the motor
junction box, according to the diagram found
inside the junction box cover.
2. The 115V attachment plug supplied with the
band saw (A, Figure 6-1) must be replaced with
a UL/CSA listed plug suitable for 230V
operation (D, Figure 6-1).
The band saw with a 230V plug should only be
connected to an outlet having the same
configuration (D, Figure 6-1). No adapter is
available or should be used with the 230V 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.
6.3 Models JWBS-15-3, JWBS-18-3,
JWBS-20-3, JWBS-20-5
Band saw models JWBS-15-3, JWBS-18-3, JWBS-
20-3, and JWBS-20-5 are wired from the factory for
230 volt operation only. Refer to Specifications for
phase and HP ratings.
This tool is intended for use on a circuit that has an
outlet that looks like the one illustrated in D, Figure
6-1. The tool has a grounding plug that looks like the
plug illustrated in D. 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.
6.4 Circuit Information (all models)
The Band Saw should be connected to a dedicated
circuit with a circuit breaker or time delay fuse rated
“D” with the appropriate amperage rating. See Table
1 for recommended circuit sizes. Local codes take
precedence over recommendations.
Model Voltage
Recommended
Circuit*
714600, JWBS-15
115 V 20A
714650, JWBS-15-3
230 V 20A
714700, JWBS-18
115 V 20A
714750, JWBS-18-3
230 V 20A
714800, JWBS-20-3
230 V 20A
714850, JWBS-20-5
230 V 30A
* Local codes take precedence over recommen-
dations.
Table 1
6.5 Extension cords
The use of extension cords is discouraged; try to
position your machine within reach of the power
supply. If an extension cord becomes 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 Table 2 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.
Recommended Gauges (AWG) of Extension Cords
Ampere
Rating
Volts
Total length of
cord in feet
More
Than
Not
More
Than
120
240
25
50
50
100
100
200
150
300
AWG
0 6 18 16 16 14
6 10 18 16 14 12
10 12 16 16 14 12
12 16 14 12
Not
Recommended
Table 2
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