Will the voltage drop be visible at 24V and 20-ft run of Centric Home LED Strip Lights?

My power supply will sit at one end of my light strand only. If I run these strip lights a total of 20 feet at 24V, will the voltage drop be visible from the beginning of the strand to the end of the strand? Would you recommend that I run two legs from the power supply in parallel to cover the 20 feet? 3 legs? If so, what gauge of stranded wire would you use for the leg(s)? 

The 24-volt versions of the CENTRIC HOME LED strip lights are rated with a maximum run length of 32 feet. As such, we do not anticipate any voltage drop issues for a 20-foot run. We use 4-oz copper for the LED strip circuits, which allows for a much higher current carrying capacity, thereby reducing the potential for voltage drop that you may have seen with lower-cost products available elsewhere.

​The product draws 5.5 watts per foot, however, so we would recommend ensuring that the 20-foot run is powered by a power supply with approximately 120 watts or higher capacity (5.5 watts/foot * 20 feet * 110% overhead).

​Depending on the installation location, you may also need to consider Class 2 circuitry compliance, for which the primary requirement is that a circuit does not exceed 96 watts in power draw. 

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LED strip lights

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