Wire Bulb

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Desktop/Console/Mobile-Only Content: This information applies only to the Desktop, Console, and Mobile versions of Terraria.
Wire Bulb
  • Wire Bulb item sprite
  • Wire Bulb placed
Stack digit 9.pngStack digit 9.pngStack digit 9.pngStack digit 9.png
Placeable✔️ (1 wide × 1 high)
Use time15 (Very fast)
TooltipLights up bulbs for each wire color
RarityRarity level: 2
Buy5 GC
Sell1 GC
Research5 required
  • Internal Item ID: 3629 (Desktop, Console and Mobile versions)
  • Internal Tile ID: 429

The Wire Bulb is a light source that has multiple colors. It is purchased from the Mechanic for 5 GC. Each corner can be lit up by wires. Each color of wire lights up a different corner. As there are four wire colors, there are four corners with four separate colors. The Wire Bulb can be placed in midair, without the need for support.


  • The Wire Bulb is not a suitable light source for NPC housing.


  • The Wire Bulb is unique in that it has more states than any other block.