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NOTE: This is an unformatted excerpt from our online fire protection training library.

NEC Requirements

Power-Limited

General FPL Installation

FPL is power-limited fire alarm cable for general use. Fire alarm circuit installations using FPL must observe the following restrictions: Use in risers/plenums FPL cannot be used in vertical runs penetrating more than one floor. FPL cannot be installed in ducts or plenums, as defined by the NEC, unless it is installed in metal raceway. Use in 1 or 2 family dwellings FPL may be used throughout a 1 or 2 family dwelling. Floor-to-floor use FPL may be used to go from one floor to another, but if the circuit extends beyond one floor, and is not in raceway, type FPLR must be used. Installation methods FPL may be installed in raceway or exposed on the surface of a wall or ceiling. It may also be "fished" in concealed spaces. Any cable splices or terminations must be made in listed fittings, boxes, enclosures, fire alarm devices, or equipment. Passage through walls/floors When the cable is installed within 7 feet of the floor, the cable must be fastened in an approved manner at intervals not exceeding 18 inches. The cable must be installed in a manner that affords maximum protection against physical damage by using baseboards, door frames, ledges, and other building features. Where FPL passes through a wall or floor, the cable must be in metal raceway or rigid nonmetallic conduit to a height of 7 feet, unless "equivalent" protection is provided. FPL must also be in raceway when it is used in an elevator hoistway. Mechanical support Where FPL is installed within 7 feet of the floor, the cable must be securely fastened in an approved manner at intervals that do not exceed 18 inches. Power-limited fire alarm circuits may not be strapped, taped, or supported by any means on the exterior of any conduit or raceway.
NOTE: This is an unformatted excerpt from our online fire protection training library.

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