Gametitle-FB.pngThe following is based on the Fallout Bible and has not been confirmed by canon sources.

Vault 42 is one of the Vault-Tec vaults.

Background[edit | edit source]

As part of the vault experiment, no light bulbs of more than 40 watts were provided. The location of this vault is unknown.

Appearances[edit | edit source]

This vault does not appear in any game and is mentioned only in the Fallout Bible.

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