![]() Dimmers work by reducing the amount of electricity flowing towards the light bulbs, allowing the lights to operate at a lower power level, saving energy in the long run. Dimmers are available for different light bulbs, and thus you can easily find a dimmer that suits the bulb you wish to attach it with and leave it on at night.ĭimmers can also save electricity and reduce your power consumption compared to leaving your lights on at night. Dimmers can be easily left on at night and turned off in the morning, as long as the possible risk of fire hazards mentioned above are avoided. One might want to leave a light on throughout the night in the hallways or living room, for example, which can be quickly done using a dimmer. ![]() So, to leave a dimmer on, the dimmer needs to be built with good-quality components not to pose any risk of fire and be used safely and securely, especially while you’re asleep or away. Hence, it is crucial to choose a high-quality dimmer, which might be slightly more expensive than the common ones available on the market, but keep in mind that the dimmer’s quality and build can protect against fatal situations. If the heat remained within the dimmer switch, it could potentially damage the switch’s wiring, and these damaged internal wires could easily cause a malfunction of the dimmer switch and cause a fire. The metal plate allows the switch’s heat to be directed towards the room instead of trapped inside the dimmer. Many modern dimmers also have a metal plate, also known as a heat sink. Some cheap dimmer switches have plastic pieces instead of metal parts to reduce costs, but this can be a significant fire hazard, and so it is essential to buy a good quality metal-built dimmer. If there is a plastic component within or around the dimmer switch, it can melt and even cause a fire. Over time, this heat can cause a problem, so it is better to look out for hot switches and fix the reason causing the overheating.Īlso, make sure that the dimmer you use does not have a plastic component, keeping in mind that dimmer switches can get very hot. We also recommend keeping an eye out for any hot-to-the-touch cover plates on the dimmer switches, as this can be a sign of the dimmer having way more energy than it is supposed to be dealing with. Therefore, it is advised to check the voltage mentioned on the dimmer switch and the bulb you are attaching to ensure that the dimmer switch will not get overloaded and potentially become a fire hazard. The fixtures attached to these switches might require a larger voltage than what the dimmers are designed to withstand.ĭimmer switches can get extremely hot and possibly catch fire as well. A circuit that continuously stays on can happen if the dimmer switches get overloaded by too much voltage. So, although it is mostly safe to leave a dimmer on low, it is essential to ensure that the light bulb itself is not surrounded by something that can catch fire.Īnother aspect to keep in mind is that dimmer switches can be a fire hazard if you put too much load on the circuit. Such a hot lightbulb can catch fire if it comes into contact with, for example, a piece of cloth, cardboard, paper, etc. If the lightbulb is left on for a long time, it might get really hot due to the heat energy it produces while burning. However, the fire risk you should consider is the dimmable lightbulb and the fixture. Most likely, if you leave the dimmer on low, it won’t cause any problems. When left on for extended periods, dimmers are no more likely to be a fire hazard than when off. In this article, we will provide you with adequate information related to whether your dimmers can be left on, and if not, what are the hazards that come with leaving them on. As the dimmer begins to wear out, it may generate a constant audible humming sound and even cause radio-frequency interference. Leaving dimmers on low constantly for long periods of time will cause the dimmer to overheat and wear out faster. Some dimmers can operate at a maximum temperature of 90☌ (195☏). Dimmers operate at about 60☌ (140☏) and will be warm to the touch. Most modern dimmers are designed to modulate between on/off very rapidly, making them safe for long-term usage. ![]() These tiny fixtures divert electricity from your light bulb by taking electricity flowing through the circuits and then switching it on and off. Can You Leave Dimmers on Low Constantly? 2ĭimmers are devices used to lower the light intensity or the brightness of the light of your light fixtures. ![]()
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