FIRE SEPARATION WALL: See “fire barrier wall.” Transitional term replaced by “fire barrier wall.”

MEMBRANE PENETRATION FIRESTOP: A material, device or construction installed to resist, for a prescribed time period, the passage of flame, heat, and hot gases through openings in a protective membrane in order to accommodate cables, cable trays, conduit, tubing, or pipes.

FIRE BARRIER WALL: A fire- resistance rated assembly of materials having protected openings which is designed to restrict the spread of fire.

PENETRATION FIRESTOP: A though-penetration firestop or a membrane penetration firestop.

ASTM E 814:
“Fire Tests of Through Penetration Firestops” or ASTM E 814 is the complementary test to ASTM E 119 that evaluates penetrations through a tested, fire-resistive (ASTM E 119 tested) wall or floor assembly.

THROUGH PENETRATION FIRESTOP SYSTEM: "A specific field-erected construction consisting of an assemblage of materials to prevent the spread of fire through openings made in floors or walls to accommodate through penetrating items,” (i.e. pipes, electrical conduits, blanks, etc.) using ASTM E 814 (Test Standard UL 1479) as the test method.

http://www.fcia.org/articles/glossary.htm#THR