Most modern dimmers are designed to modulate between on/off very rapidly, making them safe for long-term usage. ... Some dimmers can operate at a maximum temperature of 90°C (195°F). Leaving dimmers on low constantly for long periods of time will cause the dimmer to overheat and wear out faster.

Are dimmers dangerous?

Electric lights (especially CFLs) have a low resistance which means that the floodgates are opened when lights are exposed to the electrical fluctuations that are sent by a dimmer switch, and it can consume more than 5x of the current when it is connected to a dimmer switch which results in overheating of the bulb and ...

Why are dimmer switches bad?

Dimmable bulbs can be used with dimmer switches. ... Your bulb could use too much energy. It may cause a fire hazard as well. For example, if you have a switch with a range of 0 to 10 volts, you'll need a dimmable bulb that fits in that same 0 – 10-volt range.