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Cable Amp Chart This is a good tool for event electricians. First you need to find out your electrical load in amps. To find your amperage you need to divide your wattage by your voltage. Example: Your need to power (2) Source four pars at 575 watts each and the line voltage is 120 volts. 1150 total watts / 120 volts = 9.58 amps (I always round up to the nearest even number so will call it 10 amps)
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| Rated Load in AMPS | |||||||||||
| Length | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | |
| 25' | 18 | 18 | 18 | 18 | 18 | 16 | 16 | 16 | 14 | 12 | |
| 50' | 18 | 18 | 16 | 16 | 14 | 14 | 12 | 12 | 12 | 12 | |
| 100' | 16 | 14 | 14 | 12 | 12 | 10 | 10 | 10 | 8 | 8 | |
| 150' | 14 | 12 | 12 | 10 | 10 | 8 | 8 | 8 | 6 | 6 | |
| 200' | 12 | 12 | 10 | 10 | 8 | 8 | 6 | 6 | 6 | 6 | |
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Disclaimer: The above information is intended for reference only. Luminous Designs, Inc. will not be liable of direct or indirect use of this information. Back to (Lighting Tools) (Electrical Power Distribution) |
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