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What You Need to Know About an Electric Heater Electric heaters can provide warm air quickly when required. They are usually designed for a specific room size and come with features like thermostats, overheat switches and timers. An electric heater converts electrical energy into heat through the use of joules to heat. The heating element makes use of nichrome wire, which is supported by ceramic insulators. Resistor The resistor is a component of the electrical circuit that hinders the flow of current in a circuit by decreasing its voltage and absorbing some of it as heat. It transforms electrical energy into heat, wasting just a fraction of one watt. This is a standard process found in electric light bulbs and heating elements. The thickness, material, and other characteristics of the resistor determine its resistance. The greater the resistance of the resistor, the greater power will be dissipated. This is because higher resistances result in more electrons, and more collisions. The more collisions take place, the higher the temperature. In general resistors have an upper limit on the power that they are able to safely dissipate typically between 1/8W (0.125W) and 1W. Resistors that have a high power rating can be identified by their larger packaging. The power rating of a resistor could be determined by the package it is packaged in or by comparing its physical size to other resistors with a known power rating. Electric heaters are specialized types of power resistors designed to convert electricity into warmth. They can produce convective heat by circulating air over the resistor or radiant heat by emitting infrared radiation. They are typically used together with fans to increase the efficiency of heating. If a resistor's maximum power rating exceeds the power rating the resistor will get hotter and cause damage to adjacent components. In extreme situations the resistor can get to a point at which it self-ignites and causes a fire. To avoid this, a limiting resistor is recommended to be placed in the circuit. Heater resistors have a color code which indicates their value along with other data like manufacturing accuracy and temperature coefficient. For example, a six-banded resistor has the first five bands that reveal its digits, and then the sixth band informs you of its multiplier and tolerance. If you're interested in calculating the value of your own resistor, there are a variety of online calculators to use. Coil Electric heating coils form the heart of any electrically powered device which makes use of heat to heat objects or liquids. They employ a process known as conduction to convert electricity into heat. They can be made in a variety shapes depending on their purpose. Heating coils made of electric are capable of producing a substantial amount of heat in a short time and are therefore suitable for applications that require rapid temperature changes or high levels of thermal efficiency. The core of an electric heating coil is a tightly wound structure of metal wires. This structure is tightly packed, allowing the most wires to be confined within a small space, improving conductivity. The coil can be constructed to be insulated in a variety of ways, based on its purpose. electric log burner for electric heaters that is used for liquid immersion could be made of a non-flammable polyvinylchloride (PVC), polyester or polyimide. A coil used for cryogenics would typically be insulated using molybdenum diilicide. In addition to offering protection against elements, these substances also provide resistance to oxidation and corrosion which makes them suitable for a wide range 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 alloys offer a great balance of cost, oxidation resistance and corrosion resistance. Because the metals inside a heating coil are exposed to high-temperature and corrosive environments, they must be protected from damage. These protections include sealants and coatings, improved drainage and ventilation, regular maintenance and inspections. Moisture intrusion is another problem that needs to be addressed. It can cause damage to the heater's internal components and reduce its lifespan. Coils are also used in other devices such as ovens, furnaces, and water tanks. They can be made into various shapes to meet the requirements of the and are typically printed on substrates like aluminum 6061-T6, muscovite or phlogopite mica sheets, or conductive plastic. They can be coated in different materials including silver, nickel and gold to enhance their appearance. Thermostat You may not give it much thought however, your thermostat is a crucial component of your home's comfort system. The primary function of a thermostat is to turn on and off the heater, so that you can maintain the temperature you want to maintain. It can also alter the temperature based on your routine. This is great for those with an unpredictable schedule. Most thermostats are electronic digital models that can be programmed via an interface on a computer or an app for your smartphone. Some of the latest models include a learning function that automatically adjusts to your specific lifestyle so you don't have to worry about when you're supposed to be home for dinner. In the older thermostats that were not digital the electrical circuit was controlled by a bimetal coil or metal band which would expand or shrink depending on the temperature. As the strip expanded and contracted the mercury switch tipped, activating the relay which switched on the heating. As the strip cooled down, it bent backwards and then snapped back to its initial position. This turned off the heating. Modern electronic thermostats are more precise than electromechanical ones, utilizing the use of a temperature sensor and a tiny relay. It is easy to comprehend the workings of an electromechanical thermostat by looking at its components. A thermometer coil with a mercury piece inside is one of the most important components. When you turn the thermostat lever upwards or downwards the coil spins and tilts the mercury switch in one direction or another. If the mercury switch is tilted to the left, it will activate the relay and then switch on the heater. But as the room heats up the mercury switches to the right and interrupts the circuit so that the heater turns off. As the room cools, the mercury reverts to its original position and the heater comes back on. If you keep changing the temperature of your thermostat, it could need to work harder to keep up with the changes. This could result in it using more electricity than necessary. Timer A wall heater timer permits you to schedule your lighting and heating. It has a built in clock that automatically turns on and off your heaters or lights at the time you set. It also helps you save money on your daily energy bills by avoiding unnecessary use. These devices are typically utilized in homes, but they can also be found in commercial facilities as well as industrial areas. By controlling the time when circuits are turned on and off, they provide convenience, energy efficiency and security. They can be used to control appliances like lights, water pumps and ovens. They are an excellent choice for those who want to control electrical appliances without the use of computers or complicated programming. Plugging a timer switch into an extension cord or outlet allows you to set it. Connect the appliance you wish to control. Based on the model, you can plug in several devices at once. Some models have a socket located in the middle of the timer, while others have the socket either on the side or beneath it. There are a variety plug-in switches, including those that can be controlled by a smartphone or tablet. The majority of mechanical timers come with an hourly dial with half-hour and half-hour markings. They also have tiny teeth that you can pull outward to set the “ON” time and push inward to set the “OFF” time. There are also models with multiple sets that allow you to change the times of turning off and on for different days of the week. Be aware that mechanical timers might not always function correctly especially when their internal clock is a bit off. Verify the wiring and make sure that all pins are properly connected to the timer. If you still can't get it to work, you'll need to seek professional help. You may also try replacing the timer. It's important to keep the timer in a safe place, where it won't be easily disturbed by children or pets.