Lighting – How to replace the bulb in this enclosed bathroom ceiling light

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There is a small groove between the white and black sections, but it doesn't come loose with slotting a screwdriver in the groove.

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Best Answer

These fixtures usually have a "bayonet" mount, requiring a partial turn, perhaps just a few degrees, and then pulling straight down on the plastic cover. After years, it may require a wiggle or two to break it loose.