Residual currents:

One of the most common reasons why an LED bulb may stay lit is the presence of residual currents in the circuit. LED bulbs require very little current to operate, much less than traditional bulbs. Therefore, even a small amount of residual current may be sufficient to produce a faint glow.

Switch issues:

Some switches, particularly dimmer or touch effect switches, are not always fully compatible with LED bulbs. These incompatibilities can result in continuous power, even when the switch is in the "off" position.

Inductance and capacitance:

In electrical installations, phenomena such as inductance and capacitance can generate small currents that flow even when the circuit is broken. These currents, although tiny, can be enough to weakly light an LED bulb.

Neutral problems:

If the neutral connection of your installation is faulty or if it generates voltage, this can also cause the phenomenon of a continuously lit LED.

What are the solutions?

If you are experiencing this issue, here are some possible solutions:

Change switch: Opt for a switch compatible with LED bulbs, especially if you use a dimmer.

Use a discharge capacitor: In some cases, installing a discharge capacitor can help eliminate residual current and turn off the LED.</ p>

Check Connections: Ensure that all connections in your circuit, including the neutral connection, are properly established and secure.

If in doubt we advise you to consult an electrician. If you can't solve the problem yourself in a simple way, it may be a good idea to consult a professional electrician for help.

If your LED bulb stays on after you turn off the switch, it is not necessarily a sign of failure. This can be caused by several factors, often related to tiny residual currents in the circuit. Fortunately, with a little troubleshooting and possibly professional help, this problem can usually be resolved.