How many watts do the electrical appliances in your home use? What would happen if all of your appliances were on at the same time? Designers use inequalities to calculate the electrical needs of a home. What information about watts would you need to calculate the electrical load when planning electrical circuits for your dream home? 1. A watt is the basic unit measurement of electrical power. Suppose you are running the air conditioner, the washing machine, the clothing dryer, two computers, four light bulbs, the refrigerator, and two televisions. Use the chart at the right and calculate how much wattage you might need in this situation. Show your work and write an inequality that shows what the available wattage must be greater than. Appliances Average Watts Coffee maker 1100 Refrigerator 600 Vacuum 1000 Toaster 1150 Microwave 1800 Clothing dryer 5000 Computer 70 Television 240 Stereo 80 Radio 40 Hair dryer 1300 Air conditioner 3500 Light bulbs 60 Dishwasher 1200 Washing machine 500