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EXTENSION CORdS
Use proper extension cords. Make
sure your extension cord is in good condition and is a
3-wire extension cord which has a 3-prong grounding
type plug and matching receptacle which will accept
the machine's plug. When using an extension cord,
be sure to use one heavy enough to carry the current
of the machine. An undersized cord will cause a
drop in line voltage, resulting in loss of power and
overheating. Fig. d-1, shows the correct gauge to
use depending on the cord length. If in doubt, use the
next heavier gauge. The smaller the gauge number,
the heavier the cord.
FOREWORd
The Delta GR450 is an 8" Variable Speed Grinder. This model comes with a flexible lamp, adjustable tool rests, buffing
wheel, quick release arbor nut system, and two large eye shields for added safety.
NOTICE: The photo on the manual cover illustrates the current production model. All other illustrations contained in the
manual are representative only and may not depict the actual labeling or accessories included. These are intended to
illustrate technique only.
FUNCTIONAL dESCRIPTION
MINIMUM GAUGE EXTENSION CORd
RECOMMENDED SIZES FOR USE WITH STATIONARY ELECTRIC MACHINES
Length of
Ampere
Cord in
Rating
Volts
0-6
120
up to 25
0-6
120
0-6
120
50-100
0-6
120
100-150
6-10
120
up to 25
6-10
120
6-10
120
50-100
6-10
120
100-150
10-12
120
up to 25
10-12
120
10-12
120
50-100
10-12
120
100-150
12-16
120
up to 25
12-16
120
12-16
120
GREATER THAN 50 FEET NOT RECOMMENDED
6
Total
Gauge of Extension
Feet
Cord
18 AWG
25-50
16 AWG
16 AWG
14 AWG
18 AWG
25-50
16 AWG
14 AWG
12 AWG
16 AWG
25-50
16 AWG
14 AWG
12 AWG
14 AWG
25-50
12 AWG
Fig. d-1
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