Electric Appliances



First of all, we have to look into what is the definition of Appliance in-general and specifically for Electric Appliance.

Definition of Appliance

What is the definition of Appliance? The term appliance can be defined as, "a device or apparatus or equipment designed to perform an application or task, other than industrial, benefited in our personal life that uses some kind of technology". In short, an appliance is a machine that reduces a human’s effort in carrying out a specified work or task. For example, a scissor uses to cut our hair, an iron box to ironing our clothes, a TV to watch entertainment programs and news form different parts of the world. Here, scissor uses mechanical technology to perform its function. It uses only mechanical energy that generated by parson it operates, where as, other two appliances use electricity as the source of energy to operate it. Appliances may be indoors or outdoors, fixed or portable or hand held or hand operated or remotely operated or computer controlled and there on.....



Use of Appliances

When we consider the demands of our work schedules, whether be it in our house or office or in the exterior work place, appliances lower the stress levels almost everywhere. An appliance is designed to cater a function in our personal life, and use the following five main functional categories: Lighting, Heating, Cooling, Mechanical Work, and Information & Knowledge Processing.

For example, a light bulb does lighting, an oven does heating, a refrigerator does cooling, a hand mixer does mechanical work, and a smart phone does information & knowledge processing.

Home Appliances or Domestic Appliances or Household Appliances are devices or equipment that assists in household functions such as cooking, cleaning, food preservation, lighting, and entertainment.

Definition of Electric(al) Appliance

What is the definition of Electric Appliance? An Electric Appliance is a device or apparatus that uses to perform a function in our personal life, other than industrial, with the help of electrical energy. It makes our life more easier, bring comfort, and saves time. Electric Appliance may utilize one or more different engineering branches of technology to perform its intended function. The technologies mainly involved in Electric Appliances are mechanical, electrical, electronics, instrumentation, etc.. Electric Appliance may interchangeably call as a tool or equipment or a device when performing some kind of works or tasks in our personal life.

Electric Appliances are for our convenience which it makes our life easier and comfort. If an appliance does not use electric power to function, it means, we have to work harder and consume more time and effort. This is why we use electric power to our most of the modern appliances.

Electric Appliances may be indoors or outdoors, fixed or portable or hand held or hand operated or remotely operated or computer controlled.

For example, appliances that consume electricity to operate such as Microwave oven, Toaster, Dishwasher, Refrigerator, etc.

Categories of Electric Appliances

Some of the commonly named categories are: Household Appliances, Kitchen Appliances, Compact Appliances, Small Appliances, Floor-care Appliances, Personal-care Appliances, Consumer Appliances, Portable Appliances, Hand-held Appliances, Static Appliances, and Fixed Appliances. If you look at these category naming, one or more products in a category named can be found in another named categories interestingly in more named categories. For example, some of the House Hold appliances can be found in Kitchen Appliances, Floor-care Appliances, and Consumer Appliances. Hence, it can be concluded that there is no stringent categorization can be done in the world of Appliances.

Examples of Electrical Appliances and their Approximate Electrical Loads (in Watts)

Some of the major appliances are:

  1. Air conditioner Room: 750-1500 watts
  2. Audio System: 10-100 watts
  3. Blender: 300 watts
  4. Blow dryer: 1000 watts
  5. Ceiling fan: 10-70 watts
  6. Clothes dryer: 4000 watts
  7. Coffee Maker: 800 watts
  8. Coffee Pot: 200 watts
  9. Cooking Range: 1250-3200 watts
  10. Compact Fluorescent Lamp: 18 watts
  11. Computer: 50-250 watts
  12. Dehumidifier: 350 watts
  13. Dishwasher: 1200-1500 watts
  14. Electric blanket: 200 watts
  15. Food Blender: 390 watts
  16. Frying Pan: 1200 watts
  17. Garage door opener: 350 watts
  18. Hand Drill: 250-1000 watts
  19. Heater: 1500 watts
  20. Hot Plate: 1200 watts
  21. Iron: 1000 watts
  22. Laptop: 80-150 watts
  23. Lighting Single Lamp:  60 watts
  24. Microwave: 600-1500 watts
  25. PC: 200 watts
  26. Popcorn Popper: 250 watts
  27. Power Saw: 275 watts
  28. Printer: 80-200 watts
  29. Sewing machine: 100 watts
  30. Shaver: 15 watts
  31. Sink waste disposal: 450 watts
  32. Table fan: Oct-70 watts
  33. Television: 70-250 watts
  34. Toaster: 800-1500 watts
  35. Vacuum cleaner: 100-700 watts
  36. Waffle Iron: 1200 watts
  37. Washing machine Automatic: 500 watts
  38. Washing machine Manual: 300 watts
  39. Well Pump (1/3-1 HP): 480-1200 watts

Please note that the given loads above are approximate values.The actual power ratings and consumption of a particular appliances may vary substantially from these values.

If you want to find what will be the energy consumption for a particular appliance, multiply the time in hours used on the day by the wattage listed above. This will give you the watt-hour (WHr) consumption in a day.

How to Find Energy Consumption in Units and Its Amount of an Appliance?

Let's have a look at an example to explain how to find electrical energy consumption of an appliance:

An appliance having wattage of 1000 watts and  it works 1 hour continuously uses 1 KWhr, ie., we multiplied wattage by time in hour.

I KWhr means 1 unit of electrical energy. As per our calculation, our appliance uses 1 unit of electrical energy for working 1 hour.

Now we will calculate the amount of 1 unit of electrical energy. It is = wattage of the appliance ÷ 1000 x hour(s) worked x unit cost.

What is Hand-held Appliances?

Hand-held Appliance requires an operator to hold the appliance in hand(s) during normal operation (irons to press our clothes, hair dryers to dry our hair, soldering irons to solder the electronic components and drills that make holes). Hand-held appliances are used more than other type appliances and this may cause damaging the appliance early.

For example, the frequent use of a steam-iron may have more risk of early failure than that of a microwave oven.

What is Portable Appliances?

These appliances are easily moved while they are engaged and in some cases it could be fitted with wheels or casters which is intended to be moved on an occasional basis (commercial kitchen or laundry appliances).

What is Fixed Appliances?

This type appliances are securely installed in one location either on the floor or wall with the help of some fixers. Example is hot water boilers.

What is Information Technology (IT) Appliances?

This type of appliances covers IT business equipment that is found in most commercial offices and houses (ie., computers, laptops, mobile phones, tablets, land phones, printers, photocopiers, fax machines, laminators, shredders, external cd/dvd drives, etc.).

What is Static Appliances?

This type of appliances are not provided with a carrying handle to move from one place to another place (ie., large televisions, cooking ranges, washing machines, refrigerators).