Common Wattage Requirements
Common Wattage Requirements
The Daily energy values listed here are for the most efficient units in their class. These ratings are only estimates.
This is a typical amperage draws list for appliances and accessories commonly used in RV’s. This is just a basic guide to assist you in how many amps you are using at any given time. If you need to know exact amperage ratings you can check the data plate on any motors, appliances or electronic equipment you are using. If you can’t locate a data plate with this information check the appliance or electronic equipment owner’s manual. This information might provide wattage requirements rather than amps. Here are a couple of simple formulas to help you convert some common electrical terms.
Wattage % Volts = Amps
Amps X Volts = Wattage
12 Volt DC Amp Ratings
Aisle Light | 1 Amp |
CO Detector | 1 Amp |
Fluorescent Light | 1-2 Amps |
Furnace | 10-12 Amps |
LP Gas Leak Detector | 1 Amp |
Overhead lights (Per Bulb) | 1 Amp |
Porch Light | 1 Amp |
Power Roof Vent | 1.5 Amps |
Radio/Stereo | 4 Amps |
Range Hood (Fan & Light) | 2-3 Amps |
Refrigerator (LP Gas Mode) | 1.5- 2 Amps |
Security System | 1 Amp |
Television (12 volt) | 4-5 Amps |
TV Antenna Booster | 1 Amp |
TV Antenna Booster 12 Volt outlet | 8 Amps |
Variable Speed Ceiling / Vent Fan | 4 Amps |
VCR Recorder / Player | 2 Amps |
Water Pump | 4 Amp |
One other thing to keep in mind is many RV appliances require more amps to start the appliance than they do to run the appliance. A roof air conditioner can draw 16 amps to start, but may only use 13 amps once it is running.
120 Volt AC Amp Ratings
Air Conditioner | 12-16 Amps |
Blender | 5-6 Amps |
Coffee Maker | 5-8 Amps |
Compact Disc Player | 1 Amp |
Computer (Laptop) | 2-3 Amps |
Converter | 1-8 Amps |
Crock Pot | 1-2 Amps |
Curling Iron | 1 Amp |
Drill | 2-6 Amps |
Electric Blanket | 0.5-1.5 Amps |
Electric Fan | 1 Amp |
Electric Water Heater | 9-13 Amps |
Electric Skillet | 6-12 Amps |
Hair Dryer | 5-12 Amps |
Iron | 5-10 Amps |
Microwave | 8-13 Amps |
Refrigerator in AC mode | 5-8 Amps |
Space Heater | 8-13 Amps |
Television | 1.5-4 Amps |
Toaster | 7-10 Amps |
Vacuum | 2-6 Amps |
VCR | 1-2 Amps |
Washer/Dryer | 14-16Amps |