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  • Romex Wire Size for 6 Can Lights on a 15 Amp Circuit: A Guide
    You'll need 12/2 Romex for wiring 6 can lights on a 15-amp circuit. Here's why:

    * Calculating Load: Each can light typically draws around 75 watts. With 6 lights, the total wattage is 6 lights * 75 watts/light = 450 watts.

    * Amperage Calculation: To find the amperage, divide the wattage by the voltage (120 volts): 450 watts / 120 volts = 3.75 amps.

    * Circuit Capacity: A 15-amp circuit has a maximum safe capacity of 15 amps.

    * Choosing the Right Wire: 12/2 Romex (with a 12 gauge wire) is rated for 20 amps, safely handling the 3.75 amp load of your can lights.

    Important Considerations:

    * NEC Code: Always consult the National Electrical Code (NEC) for specific requirements in your location.

    * Circuit Breaker: Use a 15-amp circuit breaker to protect the wiring.

    * Junction Boxes: Ensure all junction boxes are properly sized to accommodate the wiring.

    * Professional Installation: It's always recommended to have a licensed electrician install electrical wiring for safety.

    Never attempt to wire electrical circuits if you're not a qualified electrician. Safety is paramount!

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