Base type

There are different types of bases to fit your light fixture because one size doesn't fit all. This guide shows why it is important to look at the base code printed on Philips packaging to find the right base type.

Related How Tos

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Amount of Light

See how lumen indicates the amount of light that a bulb produces.


Wide and focused light

See how the shape of a bulb has a big impact on the light effect it delivers.


Watt and lumen

Learn more about the difference between watt and lumen and what it says about a bulb.


Color Temperature

See how color temperature determines if a bulb produces warm or cool light.


Color Rendering Index

See how a high color rendering index makes colors appear natural.