Generator Cable, 8/3C w/ Ground + 18/9C, 50 AMPS, 7kW-11kW, 600V

This specialized cable is a "hybrid" or "composite" assembly designed specifically for automatic home standby generators (such as Generac, Kohler, or Cummins). Unlike standard building wire, it combines high-gauge power conductors with a comprehensive low-voltage control bundle under a single outer jacket. This design allows an installer to run both the heavy-duty power (to feed the house) and the sophisticated control signals (to manage the engine and ATS) in a single pull, saving hours of labor and eliminating the need for two separate conduit runs.

The "8/3C w/ Ground" portion of the cable handles the high-amperage electrical current generated by the unit.

• Capacity: With 8 AWG copper conductors, this cable is rated for 50 Amps, making it the perfect match for generators in the 7kW to 11kW range.
• 120/240V Support: The three insulated conductors (Black, Red, White) provide the two 120V "hot" legs and the neutral required for a standard split-phase residential system.
• Safety Ground: The dedicated grounding conductor ensures the generator frame and transfer switch are safely bonded.

While standard generator cables often only include 6 control wires, the 9-conductor bundle in this cable provides expanded versatility for modern "smart" transfer switches.

• Redundant Signals: The 9 wires allow for secondary sensing and communication paths, such as remote battery monitoring or integrated Wi-Fi module power.
• Compatibility: This configuration is designed to be "universal," ensuring it works with controllers that require the standard 6 wires as well as high-end systems that utilize 7, 8, or 9 wires for advanced load-shedding and diagnostics.
• One-Step Installation: Even with 13 total conductors (power + control), the cable remains a single unit, making it much easier to manage inside the narrow wiring compartments of smaller 7kW–11kW generators.

In standard electrical installations, you cannot run low-voltage control wires in the same conduit or cable assembly as high-voltage power lines unless all conductors have an insulation rating equal to the highest voltage present. Because the 18 AWG control wires in this cable feature 600V insulation (matching the 8 AWG power wires), it is fully code-compliant to run them together. This eliminates the need for two separate conduit runs, which is a major cost and labor saver.

This cable is engineered to survive the outdoor conditions typical of a generator installation.

• Stranded Copper Flexibility: Every conductor in the bundle is made of stranded annealed copper. This makes the cable more flexible and resistant to the vibrations caused by the generator engine, preventing the metal from becoming brittle or the connections from loosening over time.
• TC-ER / Direct Burial: Depending on the specific UL listing, this cable is often rated for Tray Cable - Exposed Run (TC-ER) or direct burial, allowing for flexible routing from the generator pad to the house.
• UV and Moisture Resistance: The outer jacket is formulated to resist sunlight and moisture, ensuring the insulation doesn't degrade even when exposed to the elements.

This premium, multi-conductor cable is specifically engineered to simplify installations for home standby generators (such as Generac, Kohler, or Briggs & Stratton systems) rated between 7kW and 11kW. It combines the heavy 50-Amp power conductors, the continuous green ground wire, and the 9 discrete low-voltage control/sensing wires neatly under one single rugged outer jacket.

Yes. The heavy-duty black PVC outer jacket is fully certified for Direct Burial and is Sunlight/UV Resistant per UL 1277 standards. It is rated for 90°C in both wet and dry environments, meaning it can transition seamlessly from inside the home, run underground through a trench, and pop straight up into your outdoor automatic transfer switch (ATS) or generator housing.

The -JP suffix stands for Joist Pull. Under National Electrical Code (NEC) allowances, standard tray cables cannot be pulled freely through building structural framing. However, because this cable features an enhanced, heavy-duty outer jacket certified for Type TC-ER-JP, you are legally permitted to pull this cable directly through your home's joists and structural studs just like standard residential Romex wire. No internal conduit pipe or raceway is required for indoor structural runs unless the cable is exposed to potential physical damage.