... lights, and a radio. Computer: 300 Watts 2 - 60 Watt lights: 120 Watts Radio:10 Watts Total Needed:430 WattsFor this application, you ... load).What is meant by the terms "continuous-2000 watts" and "peak surge-4000 watts" is that some appliances or tools, such as ... load of the appliance To Calculate approximate Startup Load:Multiply: WATTS X 2 = Starting Load This formula yields a close approximation ...