Which 2 hr rated cable is right for you?
UL vs. LU

Both of Rath’s 2 hr rated cables meet NFPA-2016 code requirements.

The question is will your local AHJ accept a 2 hr rated cable that meets code and is the European Standard.
UL Cable
UL-Single-Pair-Cable

Benefits of UL cable
  • Some AHJ’s require all wire to be UL.

  • Single Pair

  • 1,850° F


LU Cable
LU-2-Pair-Cable

Benefits of LU Cable
  • Lower price than UL cable

  • 2 pair

  • 1,742° F
NFPA logo
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 if 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