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2 Hour Fire-Rated UL vs LU Cable Comparison

Both of RATH’s 2 Hour Fire-Rated cables meet NFPA-2016 code requirements

Will your local AHJ only accept an Underwriters Laboratory listing (UL)? Or will they accept cable that meets the European Standard (LU)?

UL (Underwriters Lab)
2 Hour Fire-Rated Cable
LU (London Underground)
2 Hour Fire-Rated Cable
· Some AHJ’s require all wire to be UL
· Requires no special tools or training for installation
· Operating temperature 1,850° F
· Dual Rated CI/CIC
· New York City Approved
· California State Fire Marshal Approved
RATH® Wire 2 Hour Fire-Rated Cable (UL & LU Standard)· NFPA 72 approved by many jurisdictions
· Lower price than UL cable
· Operating temperature 1,742° F
· High speed data transfer approaching Cat 5E
· London Underground (LU) approved
· Available in 2 & 4 Pair

NFPA® Code Requirements
NFPA-2016
24.3.13.9.1 Area of Refuge emergency communications systems shall have a pathway survivability of Level 2 or Level 3.
(Level 1 is permitted where the building is less than 2-hour fire rated construction)

12.4.3 Pathway Survivability Level 2 Shall consist of one or more of the following: (1) 2-hour fire rated circuit integrity (CI) or fire-resistive cable. (2) 2-hour fire-rated cable system (electrical circuit protective systems) (3) 2-hour fire-rated enclosure or protected area (4) performance alternatives approved by the authority having jurisdiction

12.4.4 Pathway Survivability Level 3: shall consist of pathways in buildings that are fully protected by an automatic sprinkler system in accordance with NFPA13 and one or more of the following. (1) 2-hour fire rated circuit integrity (CI) or fire-resistive cable. (2) 2-hour fire-rated cable system (electrical circuit protective systems) (3) 2-hour fire-rated enclosure or protected area (4) performance alternatives approved by the authority having jurisdiction