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Wire run lengths
•
Use the following table to estimate the gauge of wire required for the application.
•
Wire length based on 15% voltage drop at 12 or 24V using stranded copper wire.
•
The wire gauge listed is a minimum. The gauge can be increased if desired.
•
Distance = total one way wiring distance between power supply and powered device (includes both power wires).
•
For UL installations, the minimum permissible wire size to be used shall not be less than 22AWG.
DISTANCE
(FEET)
100
200
300
400
500
Keep power-limited wiring separate from non power-limited wiring.
Minimum 1/4" spacing must be provided.
When installing, route field wiring away from sharp projections, corners, and
internal components. Deburr all conduit fittings.
22
22
18
22
18
16
20
16
14
20
16
14
18
14
12
0.2
0.5
1.0
LOAD CURRENT AT 12V
(AMPS)
WARNING
CAUTION
WIRE GAUGE (AWG)
16
14
22
14
12
22
12
22
22
22
1.5
2.5
0.2
22
22
20
22
18
16
20
16
14
18
16
14
18
14
12
0.5
1.0
1.5
LOAD CURRENT AT 24V
(AMPS)
18
14
12
12
2.5
7
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