
DuraLife® RHH/R90 Two-Hour Fire-Rated Power Cables
Certified to UL 2196 / ULC S-139 Standard for Two-Hour Fire Resistive Cable
Applications:
- Fire Pumps
- Emergency Generators
- Ventilating Fans
- Emergency Lighting
- Emergency Elevators
- High Rise Buildings
- Hospitals
- Places of Mass Assembly
COMPLIANCE:
- Electrical Circuit Integrity System FHIT 28E & FHIT7 28E. Fire Resistive Directory R21213
- UL44 Listed for Thermoset Insulated Wires & Cables 600V/90°C RHH/R90
- Meets NFPA 70 Articles 517, 695, 700, 708 & 660
- Meets NFPA 130 and 502 with AHJ approval
- Meets IEEE 1202/FT4-ST1 10 AWG and larger
- Meets FT2 Horizontal Flame
Ratings/Approvals:
- Certified to the harsh requirements of the UL 2196 Test for Fire Resistive Cables, DuraLife® RHH/R90 is a 600V two-hour fire-rated cable designed to provide an easy-to-install, cost effective means of protecting critical emergency systems when under fire conditions. DuraLife® RHH/R90 meets the code requirements for circuit survivability.
- Description: The only full-range product on the market, 14 AWG through 500 MCM two-hour UL 2196 rated in both vertical and horizontal configurations, EMT and Champion Flame Shield Phenolic Conduit Type XW, Low Smoke, Zero Halogen (LSZH) design
FEATURES & BENEFITS:
- The most comprehensive and versatile two-hour fire-rated solution for 600V power applications
- Installs in EMT or phenolic conduit
- Full range of constructions 14 AWG through 500 MCM
- Two-Hour Certified for both vertical and horizontal installations
- Certification includes ancillary components
- Low Smoke, Zero Halogen
- Economic alternative to both MI and MC options
- Easy to install – no special tools or procedures required
- Long length availability eliminates need for splice
SPECIFICATIONS

DuraLife® RHH/R90 Two-Hour
Fire-Rated Power Cables
Download DuraLife® RHH/R90 Two-Hour Specs
Radix DuraLife® Power Cables | Horizontal / Vertical Installation – EMT Raceway | Horizontal Installation – Champion Flame Shield Phenolic Conduit Type XW | Vertical Installation – Champion Flame Shield Phenolic Conduit Type XW | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
DuraLife Part Number | Conductor Size | Conductor Strands | Overall Diameter | Insulation System Thickness | Approx. Weight (lbs/1,000′) | Ampacity 75°C (amps) | Ampacity 90°C (amps) | Number of Conductors | Number of Conductors | Number of Conductors | |||
1 to 4 | 5 | 1 to 4 | 5 | 1 to 4 | 5 | ||||||||
RH14A007 | 14 awg | 7 | .195″ | 45 mils | 29 | 20 | 25 | 1″ | 1 1/4″ | 1″ | 1 1/4″ | 1″ | 1 1/4″ |
RH12A007 | 12 awg | 7 | .220″ | 45 mils | 38 | 25 | 30 | 1 1/4″ | 1 1/4″ | 1 1/4″ | 1 1/4″ | 1″ | 1 1/4″ |
RH10A007 | 10 awg | 7 | .250″ | 45 mils | 54 | 35 | 40 | 1 1/4″ | 1 1/2″ | 1 1/4″ | 1 1/4″ | 1″ | 1 1/4″ |
RH08A007 | 8 awg | 7 | .310″ | 60 mils | 84 | 50 | 55 | 1 1/4″ | 1 1/2″ | 1 1/4″ | 1 1/2″ | 1″ | 1 1/4″ |
RH06A007 | 6 awg | 7 | .380″ | 75 mils | 131 | 65 | 75 | 1 1/2″ | 2″ | 1 1/2″ | 2″ | 1 1/4″ | 1 1/2″ |
RH04A007 | 4 awg | 7 | .420″ | 75 mils | 186 | 85 | 95 | 2″ | 2 1/2″ | 2″ | 2 1/2″ | 1 1/4″ | 1 1/2″ |
RH03A007 | 3 awg | 7 | .450″ | 75 mils | 225 | 100 | 115 | 2″ | 2 1/2″ | 2 1/2″ | 2 1/2″ | 1 1/4″ | 2″ |
RH02A007 | 2 awg | 7 | .480″ | 75 mils | 270 | 115 | 130 | 2″ | 2 1/2″ | 2 1/2″ | 3″ | 1 1/2″ | 2″ |
RH01A019 | 1 awg | 19 | .560″ | 100 mils | 365 | 130 | 145 | 2 1/2″ | 3″ | 2 1/2″ | 3″ | 2 1/2″ | 3″ |
RHX1A019 | 1/0 | 19 | .600″ | 100 mils | 443 | 150 | 170 | 2 1/2″ | 3″ | 2 1/2″ | 3″ | 2 1/2″ | 3″ |
RHX2A019 | 2/0 | 19 | .650″ | 100 mils | 537 | 175 | 195 | 2 1/2″ | 3″ | 2 1/2″ | 3″ | 2 1/2″ | 3″ |
RHX3A019 | 3/0 | 19 | .700″ | 100 mils | 658 | 200 | 225 | 3″ | 3 1/2″ | 3″ | 3 1/2″ | 3″ | 3 1/2″ |
RHX4A019 | 4/0 | 19 | .760″ | 100 mils | 806 | 230 | 260 | 3″ | 3 1/2″ | 3″ | 3 1/2″ | 3″ | 3 1/2″ |
RH250A037 | 250 mcm | 37 | .865″ | 130 mils | 991 | 255 | 290 | 3 1/2″ | 4″ | 3″ | 3 1/2″ | 3″ | 4″ |
RH300A037* | 300 mcm | 37 | .920″ | 130 mils | 1165 | 285 | 350 | 4″ | 4″ | 3 1/2″ | 4″ | 3 1/2″ | 4″ *** |
RH350A037 | 350 mcm | 37 | .970″ | 130 mils | 1306 | 310 | 350 | 4″ | 4″ | 3 1/2″ | 4″ | 3 1/2″ | 4″ *** |
RH400A037* | 400 mcm | 37 | 1.020″ | 130 mils | 1672 | 335 | 380 | 4″ | X | 4″ | X | 4″ | X |
RH500A037 | 500 mcm | 37 | 1.105″ | 130 mils | 1825 | 380 | 430 | 4″ | X | 4″ | X | 4″ | X |
See manufacturer’s instructions for additional options and detailed conduit fill by awg size, orientation, conduit type.
Must follow UL Electrical Circuit Protective System (FHIT/7) #28E and all provisions of the National Electrical Code (NFPA 70).
Ampacity based on three current carrying conductors in a conduit and a 30°C (88°F).
* 300 & 400 MCM sizes are available as a special order item.
** See National Electrical Code (NFPA 70) section 240-3.
*** Max 4 x 300MCM + 1 x 2/0 ground; Max 4 x 350MCM + 1 x 1/0 groun