Dyeing a cable allows you to personalize and identify the cables with the color you need, a. Dyeingĭyeing is the process of coloring wire and cable using a special machine. The printer leaves clear marks on the cable. Nassau National Cable offers ink jet printed sequential footage markings on the cable jackets made by an inkjet printer. The final choice of the correct size depends on the local codes and regulations.Ĭut and strip is the service that cuts your wire to a specific length using a special machine so that the cutting process goes smoothly. This is the minimal size of the grounding conductor, as per NEC 2020. These sizes are relevant both for single-phase and three-phase service.Īs for the grounding conductors, the minimum size is 3 AWG for copper or 1 AWG for aluminum or aluminum copper-clad. For copper wire, you will need 600 kcmil (600 MCM) copper wire for both 167 ☏ and 194☏.įor a 140 ☏ underground service, 1250 kcmil aluminum and 750 kcmil copper cables are optimal. Size of the cables to use for a 400 Amp Meter BaseĪ 400 Amp service panel and 400 Amp meter base require a 750 kmil (750 MCM) 0r 1000 kcmil (1000 MCM) aluminum wire at 194☏ or only 1000 kcmil (1000 MCM) at 167 ☏. This cable is used for direct burial applications. UF underground copper feeder cables are used if the cable from the meter base to the panel should be run underground.XHHW/XHHW-2 is similar to THHN/THWN, but with XLPE insulation and better moisture and heat resistance.THHN/THWN cables are a popular choice for 400 Amp meter base to be run in conduit in copper and aluminum. ![]() Service entrance cables: Type SE cables in both copper and aluminum are a popular choice for a 400 Amp meter base above ground.Types of cables to use for a 400 Amp Meter Base While all of these are general facts that point toward your house needing a 400-amp service, the final decision should be based on performing a load calculation to determine the actual electric load of your home.īefore installing a new panel, make sure to contact your local building department to get a clear picture of local permits and requirements in your state or area. House owners tend to upgrade to 400 Amp service panels if they are planning significant house renovations and are planning to increase the electrical load with many new electric devices. In addition, it makes sense for houses of different sizes that use hot tubs, saunas, or electric vehicle charging stations. When is 400 Amp service necessary?Ī 400 Amp service is a solution for a large house with a sophisticated HVAC system, significant air conditioning, and heating demands, or all-electric appliances. ![]() ![]() Thus, a 400-Amp meter base accommodates a single 400 Amp panel. You can find an additional utility meter base in some apartment buildings on your apartment's floor.Ī meter base is designed to accommodate different amperages. The meter base can be located outside, on the exterior wall of your house, linking your house electrical system to the utility cables of your electrical company. The electrical meter itself is a device that measures the electricity consumed by a household or other unit. You will also learn about when it's time to upgrade to the 400 Amp service.Ī meter base is a glass enclosure used to protect an electric meter from contact with other components and devices, weather, or water. This short guide will explain which types of cables in which sizes you should use for a 400 AMP meter base. Wiring a 400 AMP meter base and a 400 AMP subpanel is a common concern for larger houses.
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