Question 1

Do I need to replace the light fitting to use a smart bulb?

Accepted Answer

Not necessarily. If the light fitting has a compatible base, the bulb physically fits and the voltage is suitable, the existing light source can be replaced with a smart bulb.

Question 2

Does a smart bulb work if I turn off the wall switch?

Accepted Answer

Not while it has no power. If the switch cuts the electricity supply, the bulb cannot receive commands from the app or maintain its connection.

Question 3

Can I use a smart bulb with a wall dimmer?

Accepted Answer

In general, this is not recommended unless the manufacturer states that it is compatible. The smart bulb already adjusts its brightness internally, and an external dimmer may cause flickering or malfunctions.

Question 4

Which smart bulb bases are most common?

Accepted Answer

The most common formats are E27, E14 and GU10. E27 is used in standard lamps, E14 in compact or decorative light fittings, and GU10 in recessed or adjustable spotlights.

Question 5

Do smart bulbs consume power when switched off?

Accepted Answer

When they are switched off through the app, they continue to use a small amount of energy to maintain connectivity. This standby consumption is usually low, but it is still present.

Question 6

What is the difference between RGB and tunable white?

Accepted Answer

RGB allows decorative colours to be created by combining red, green and blue. Tunable white allows the colour temperature to be adjusted between warm, neutral and cool white tones.

Question 7

Can I control several smart bulbs at the same time?

Accepted Answer

Yes. Most systems allow you to create groups or rooms so that several bulbs can be controlled simultaneously.

Question 8

Are smart bulbs suitable for outdoor use?

Accepted Answer

Only if both the bulb and the light fitting are designed for it. Outdoors, the IP rating of the complete installation should be checked, and the light source and connections should be protected against moisture, dust and rain.

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