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What You Need to Know About an Electric Heater Electric heaters can provide warmth quickly when needed. They are usually rated according to the size of the room and have features such as thermostats, an overheat switch and timers. An electric heater converts electrical energy into heat through the use of joules to heat. The heating element makes use of the nichrome wire that is supported by ceramic insulation. Resistor The resistor is a part that reduces voltage and absorbs some of it in the form of heat. It converts electrical energy into thermal energy, and wasting only a fraction of a power. This process is present in many electric light bulbs and heating components. The resistance of the resistor is determined by its thickness, material and other characteristics. It is crucial to remember that the higher the resistance's resistance, the more energy it can dissipate. This is because higher resistances result in more electrons, and more collisions. The higher the temperature, more collisions take place. In general resistors have an maximum power rating they can safely dissipate, which is usually somewhere between 1/8W (0.125W) and 1W. Resistors that have a high power rating are sometimes referred to as “power resistors,” and can be distinguished by their larger package size. You can determine the maximum power rating by looking at the packaging or comparing it to other resistors with known power ratings. Electric heaters are specialized types of power resistors made to convert electricity into heat. They can produce convective heat or radiant heat by emitting infrared radiations. They are typically employed in conjunction with fans to improve the efficiency of heating. If the power rating of a resistor is exceeded, the resistor will get hotter and cause damage to nearby components. In extreme situations it could even become self-igniting and result in a fire. To prevent this from happening, it is recommended that a resistor is installed to limit the current. Heater resistors come with a color code that indicates their worth as well as other information such a manufacturing accuracy and temperature coefficient. A six-banded resistance, as an instance, will have five bands that indicate its digits, and the sixth band will provide the multiplier and tolerance. If you're looking to determine the value of your resistor, there are plenty of online calculators available. Coil Electric heating coils form the center of any electrically powered device which makes use of heat to heat objects or liquids. They employ the process of conduction to convert electricity into heat. They can be shaped in a variety of forms based on the purpose for which they are used. Electric heating coils are capable of generating a significant amount of heat in a short period of time which makes them ideal for applications that require rapid temperature fluctuations or high levels of thermal efficiency. The core of an electric heating coil is an intricately wound structure made composed of metal wires. This structure is tightly packed, allowing for the largest number of wires to be able to fit in an area of a smaller size, thus increasing conductivity. The coil can be insulated in a variety of ways, based on its use. For instance the insulation of an electric heater used for liquid immersion could be made from a non-flammable substance such as polyvinyl chloride (PVC) or polyester or polyimide. A coil used in cryogenic applications is typically lined with molybdenum disilicide. These materials aren't just resistant to oxidation and corrosion they also provide protection from the elements. This makes them suitable for a variety of industrial applications. Stainless steel is the most common element for a heater coil, but nickel-chrome and iron-chromium-aluminum alloys are also commonly used. These materials have a good balance of cost, oxidation resistance, and corrosion resistance. Metals in a heating element are exposed to high temperatures and environment that is corrosive. They must be protected. These protections include coatings, sealants, better ventilation and drainage, and regular inspections and maintenance. Moisture ingression is another critical issue that needs to be addressed, as it can damage the internal elements of a heater and reduce its life expectancy. Coils are also utilized in other devices, such as ovens, furnaces, and water tanks. They can be made in a variety of shapes to fit the application and are typically printed on substrates such as aluminum 6061-T6, muscovite, Phlogopite mica sheets or conductive plastic. They can be coated in various materials such as silver, nickel and gold, to improve their appearance. Thermostat It's likely that you don't think about it however, your thermostat is an important component of your home's comfort system. The main function of the thermostat is to turn the heater ON and OFF to ensure that it is able to maintain the temperature you prefer. It also has the ability to adjust the temperature according to your daily routine which is a major benefit for those who have an unpredictable schedule. Most thermostats are electronic digital models which can be controlled via the computer interface or a an app for your smartphone. Many newer models even include a learning function that automatically adapts to your specific lifestyle, so you'll never need to think about when you should be home for dinner. In older thermostats that weren't digital, the electrical circuit was controlled by the bimetal coil or band which would expand or shrink based on the temperature. When similar site expanded or contracted, it would trigger a mercury switch to tip, which then activated the relay that started the heating system. As the strip cooled, it bent backwards and snapped away from its initial position. This shut off the heating. Modern electronic thermostats are more precise than electromechanical ones, utilizing the use of a temperature sensor and a tiny relay. It's easy to comprehend an electromechanical thermostat's mechanics by looking at its components. A thermometer with a mercury piece inside is among the most crucial elements. When electric log fire stove pull the thermostat lever up or down the coil turns and tips the mercury switch in one direction or another. If the switch tips to the left, current is flowing through it and turns on the relay that activates the heater. As the room gets heated the mercury switches to the to the right, which breaks the circuit. The heater then shuts down. As the room cools, the mercury returns to its original position, and the heater is turned back on. If you keep changing the temperature of your electric thermostat, it may need to work harder in order to keep up with the changes. This can cause it to use more energy than it needs to. Timer A wall heater timer is a convenient device that allows you to schedule your heating and lighting. It comes with a built-in clock that will automatically turn on and off your lights or heaters according to the time you set. It can also help you save money on your day-to-day energy bills by preventing unnecessary use. These devices are typically utilized in homes, but they can also be found in commercial facilities and industrial places. They provide convenience, energy efficiency and security by controlling the electrical circuits that are turned off and on. They can be connected to appliances like lights, water pumps, and ovens. They are a great option for people who want to control their electrical appliances with out the need for a sophisticated programming system or computer. You can set a timer by plugging it into an outlet or extension cord. Plug in the appliance you wish to control. Depending on the model, you can connect multiple devices simultaneously. Some models have the socket in the middle of the timer whereas others have the socket under or on the side of it. You can choose from a variety of plug-in timer switches, such as those that can be controlled with a smartphone or tablet. The majority of mechanical timers have an hour and half-hour markers. You can also utilize the teeth to set an “ON” and “OFF” time. There are models that have multiple sets. This allows you to set the time for different days. It's important to note that mechanical timers may not work properly, especially when the internal clock is a little off. If your timer does not turn on or off when it should examine the wiring for any issues and ensure that all pins are correctly inserted. If you can't solve the issue, it's recommended that you contact a professional. Alternatively, you can replace the timer by a new one. It's also a good idea to keep the timer in a safe location, where it won't be easily disturbed by pets or children.