| WIRE SIZE | CONSTANT METHOD | WIRE AMPERAGE RATING | 80% AMPERAGE CAPACITY | 12 VOLTS | MAX WATTAGE | RECOMMENDED WIRE WATTAGE LOAD | |||||
| 18/2 | 1380 | 6 | 4.8 | 12 | 57.6 | 43.2 | |||||
| 16/2 | 2200 | 10 | 8 | 12 | 96 | 72 | |||||
| 14/2 | 3500 | 15 | 12 | 12 | 144 | 108 | |||||
| 12/2 | 7500 | 20 | 16 | 12 | 192 | 144 | |||||
| 10/2 | 11920 | 30 | 24 | 12 | 288 | 216 | |||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | |
| LOCATION | RUN LENGTH | WATTS | TOTAL | X 2 | TOTAL | DIVIDE WIRE SIZE CONSTANT METHOD | SUM OF VOLTAGE DROP | TAP NEEDED | COLOR | CONNECTION STATUS | RUN AMPERAGE |
| TRANSFORMER | |||||||||||
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*FINDING THE TAP TO USE ON YOUR TRANSFORMER
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1. ENTER NAME LOCATION (Group fixtures within a reasonable proximity of each other and name their location)
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2. ENTER RUN LENGTH (Measure the run length from the farthest fixture to the transformer)
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3. ENTER TOTAL WATTAGE (Add all bulb wattage on that run. Be sure not to exceed the recommended wattage on the run)
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4. ENTER SUM OF LINE 2 X LINE 3 (Multiply the run length by the total wattage)
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5. ENTER THE SUM OF LINE 4 X 2 (Multiply the sum of line 3 times by 2)
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6. SELECT THE WIRE SIZE CONSTANT
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7. ENTER THE SUM OF LINE 5 DIVIDED BT LINE 6
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8. ADD THE SUM OF LINE 7 TO 12
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9. WRAP A DIFFERENT COLOR TAPE AROUND THE WIRE AT THE TRANSFORMER TO IDENTIFY THE RUN AND ENTER
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10. DOCUMENT STATUS OF CONNECTION
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11. DOCUMENT RUN AMPERAGE
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