Sanctuary Lamp

Scripture   |   Tradition   |   Reason

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The Sanctuary Lamp, located above our Tabernacle, serves as a sign that the Blessed Sacrament is reserved or stored while also representing the eternal presence of God.

A sanctuary lamp can also be referred to as an altar lamp or eternal flame.
Wikipedia

History

The Sanctuary Lamp and Sanctus Gong at Holy Cross were both given as memorial thanksgiving gifts for the survival of the Allison family twins.