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::::S::a COSCO EOL Voltage Drop Calculation <br /> '1:::::1 ! Fire Protection <br /> Starting Voltage 20.4 Volts <br /> Minimum Voltage @ EOL 16 Volts <br /> Voltage Drop Warning% 20.00% <br /> Current Draw Wire Type Resistance Length Actual Resistance Voltage @ EOL Percent Drop <br /> Circuit Name Amps AWG Ohms/1000 ft. Feet(One Way) Ohms Volts Percent <br /> NAC 1 1.215 #14 Solid 3.07 400 2.46 17.42 14.63% <br /> NAC 2 1.126 #14 Solid 3.07 375 2.30 17.81 12.71% <br /> NAC3 0.771 #14Solid 3.07 150 0.92 19.69 3.48% <br /> NAC 4 1.012 #14 Solid 3.07 280 1.72 18.66 8.53% <br /> Resistance Table <br /> Wire Type Resitance <br /> AWG Ohms/1000 ft. <br /> #10 Solid 1.21 <br /> #10 Stranded 1.24 <br /> #12 Solid 1.93 <br /> #12 Stranded 1.98 <br /> #14 Solid 3.07 <br /> #14 Stranded 3.14 <br /> #16 Solid 4.89 <br /> #16 Stranded 4.99 <br /> #18 Solid 7.77 <br /> #18 Stranded 7.95 <br /> Note:All Resistance values are taken from Table 8 Conductor <br /> Properties of the NFPA 70 National Electrical Code.All values are <br /> for Direct Current Resistance at 75°C(167°F). <br />