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VOLTAGE DROP
IN
ELECTRIC
EXTENSION
CORDS
When a long electric extension cord is used to connect an appliance or tool to the
generator, a certain amount of voltage drop or
loss
occurs in the extension cord
which recuces the effective voltage available for the appliance or tool. The use of
improper size or gauge of extension cords may cause unsafe or inefficient
operation of your tool or appliance. it may also damage the tool or appliance.
Be
sure that any extension cord that you use is rated to allow sufficient current
flow to the motor or appliance. Select the required wire gauge size according to
the chart below.
Chart lists the minimum wire gauge size for the proper extension cord.
0.2 2.1
-
3.4
3.5-
5
EXTENSION
CORD CHART
Use the right extension cord. An extension cord should have a suitable wire size
for the overrall cord length and tool amperage rating. This is to prevent a serious
voltage drop, power
loss
and possible motor damage. Generally, heavier gauge
wire is required as coad lenght increases. Use the recommendations in this table.
5.1 -7 7.1-12 12.1-16
Extension
Cord
Length
18 18 18 16
18 18 16 14
18 16 14 12
14
12
10
18
18
18
18
16
16
14
12
12
1
1
-
0
0
25 feet
50
feet
75 feet
100 feet
150 feet
200 feet
300
feet
400 feet
500 feet
600 feet
800 feet
a
Not normally available as flexible extenslon cord
16
I
14
I
12
I
10
14 12
14 12
12 10
-
20
-