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| Low Voltage Lighting |
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What size low voltage cable should I use?
What size low voltage cable should I use?
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To minimize voltage drop you must select the correct wire gauge and lay out your system so the length of the cable is shortest possible. The length of the run and the total number of watts (add-up the wattage of all the fixtures that will be on the run) determin the size of the wire needed.
Quick Chart Maximum Guidelines:
- Maximum use for 16-gauge cable is no more than 150 watts or 100 feet
- Maximum use for 14-gauge cable is no more than 200 watts or 150 feet
- Maximum use for 12-gauge cable is no more than 250 watts or 200 feet
- Maximum use for 10-gauge cable is no more than 360 watts or 300 feet
Back to Low Voltage Cable
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| Low Voltage Cable Size Chart |
| Total cable length (ft) |
Max Watts on 1 Run
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#16
wire
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#14
wire
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#12
wire
|
#10
wire
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| 300 |
NA
|
NA
|
0-60
|
0-90
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| 200 |
NA
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0-60
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90
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130
|
| 100 |
75
|
120
|
175
|
275
|
| 80 |
95
|
140
|
250*
|
350
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| 50 |
150
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215*
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250*
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360*
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| 40 |
155*
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215*
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250*
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360*
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| 30 |
155*
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215*
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250*
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360*
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| 20 |
155*
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215*
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250*
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360*
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| 10 |
155*
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215*
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250*
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360*
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| *maximum wire size |
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