Copper Bulb

block Redstone Lighting

/give @p copper_bulb 1

What Is Copper Bulb in Minecraft?

Copper Bulb is an orange light-emitting block made from Copper Ingots that can be toggled on or off with a redstone signal. It was added in the 1.21 update and is found naturally in Trial Chambers. Like all copper blocks, it oxidises over time, and as it oxidises its light level drops.

How Does Copper Bulb Work?

Emits light when in its "on" state. Light level depends on oxidisation stage.
Toggle on or off by sending a redstone pulse (not a sustained signal).
Fresh Copper Bulb (on): light level 15. Oxidised Copper Bulb (on): light level 8.
Wax with Honeycomb to lock the oxidisation and preserve the light level.

How to Get Copper Bulb

Crafting Table

×4

3 × Block of Copper
1 × Blaze Rod
1 × Redstone Dust

How to Mine Copper Bulb

Requires a stone pickaxe or better. A wooden pickaxe drops nothing.
Also found in Trial Chambers.

Copper Bulb Trading with Villagers and Wandering Traders

Wandering Trader: No
Emerald Price: Not stated
Villager Trading: No

How to Use Copper Bulb

Using Copper Bulb

Use as a toggle-able light source in redstone circuits.
The light turns on when it receives a redstone pulse and turns off on the next pulse.
Wax with Honeycomb to keep it at a fixed light level.
Great for decorative lighting in copper and trial chamber-themed builds.