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  Hair Dryer Safety

Introduction to Hair Dryer Safety

The main idea behind hair dryers is pretty much simple, but generating one for mass consumption needs some hard thinking regarding to the safety features.  Here are a number of other safety features hair dryers generally have:

1. Safety cut-off switch -

Your scalp can be burned with the temperatures more than 140 degrees Fahrenheit (about 60 degrees Celsius) to make sure that the air emerging of the barrel never nears this temperature, hair dryers comprise a number of heat sensor which trips the circuit and shuts off the motor while the temperature rises very much. This hair dryer and several others depend on a simple bimetallic strip as a cut off switch.

2. Bimetallic strip -

Made out of sheets of two metals, both extend while heated but at dissimilar rates. While the temperature increases in the hair dryer, the strip heats up and bend since one metal sheet has grown larger than another one. While it arrives at a specific point, it trips a switch which cuts off power to the hair dryer.

3. Thermal fuse -

For additional protection against overheating and catching fire, there is frequently a thermal fuse involved in the heating element circuit. This fuse will break and blow the circuit if the temperature and current are very high.

4. Insulation -

With no proper insulation, the outside of the hair dryer would turn into very hot to the touch. If you grabbed it through the barrel after employing it, it may badly burn your hand. To avoid this, hair dryers have a heat shield of insulating material which lines the plastic barrel.

5. Protective screens -

While air is drawn into the hair dryer when the fan blades turn, other things that outside the hair dryer are as well pulled toward the air intake. That's why you will find a wire screen that covering the air holes on either side of the dryer. After you have employed a hair dryer for a moment, you will find a large amount of lint developing on the outside of the screen. If this were to develop inside the hair dryer, it would be scorched through the heating element or may even clog the motor itself. Yet with this screen in place, you will require to periodically pick lint off the screen. Very much lint can block the airflow into the dryer, and the hair dryer will overheat along with less air carrying away the heat produced through the nichrome coil or another type of heating element. Newer hair dryers comprise incorporated a number of technologies from the clothes dryer: a removable lint screen that is easier to clean.

6. Front grill -

The end of the barrel of a hair dryer is covered via a grill implied of material which can withstand the heat coming from the dryer. This screen makes it hard for small children (or other particularly inquisitive people) to stick their fingers or other objects down the barrel of the dryer, in which they could be burned through contact with the heating element.

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