Manuals list the minimum space requirements needed to operate the appliance properly. The voltage drop between appliances would also need to be considered when placing them in the best places possible. The best wire size for 100 amp service is #4 aluminum wire with two 4/0 copper conductors which has a maximum continuous current rating of 183 amps and costs $1.02 per foot at the time of this article (12-9-2013).Īs we stated earlier, it would be difficult to fit circuits on your property if you were running a 100 amp service. More power and not overheat which creates a safe service for your home. Another factor to consider spacing out circuits is that thinner wires get hotter than thicker wires. Tripping breakers or fuses if they do not have enough space between them. Also, many of the appliances that require more than 50 amps may start When running a 100 amp service, this can get very difficult because there is no current listed for it. For example, 6 volts would be 6 feet 10 volts When you are determining how far apart to separate circuits (the distance between the furthest appliance on your power line), you should use the next voltage drop to determine where you need to separate them. These factors are circuit separation, wire size, voltage requirements, Uneven Distribution of Current on a Circuit, voltage drop, Current vs Resistance, There are many different factors you have to consider when you are running a 100 amp service in your home. The minimum size for a 100 amp ground wire is #8 copper or #6 aluminum.įactors to consider when running 100 amps However, it is mostly only used in these types of areas because people don't like paying for an upgraded service they don't need. It is also used when there are many heating appliances (like in Fire Stations). Most 100 amp services that are put in at commercial locations, have a maximum weight load of 70 lbs per square foot.Ī 100 amp service can be used in commercial and industrial locations like large office buildings with many air conditioners and server rooms with lots of computers running at once. When using this type of wire is the weight load it can support. This will help prevent fires from occurring if something were to go wrong. When using this type of wire in commercial applications such as warehouses, you should make sure that the insulation is flame retardant. You are however using 100 amps in places like houses and strip malls, you will need to use either THWN (Thermoplastic High Heat Wiring Nylon) or UF (Underground Feeder). If you are using the 100 amp service in commercial applications, you will need either stranded steel armored cable or IMC (Intermediate Metal Cable). The wire type needed for a 100 amp service will depend on the application you will be using it for. What Wire Type Should I Use For A 100 Amp Service? It is also used when there are many heating appliances (such as in Fire Stations).Įven though it can sometimes support smaller residential locations like houses, it usually isn't used because people don't like paying for an upgraded service they don't need. These services are relatively rare in homes, where 30-50 amp services are more common.Ī 100 amp service can be used in commercial applications like large office buildings with many air conditioners or server rooms with lots of computers running at once. A 6AWG wire will be needed if the distance between the breaker panel and the electrical load is less than 20 feet. The breaker panel and the electrical load is less than 50 feet. A #4 AWG wire will be needed if the distance between This wire is used when the run between the breaker panel and the electrical load (such as an air conditioner) is long, like in large commercial buildings. For absolute compliance, please see the applicable standards.A #2 AWG wire is needed for a 100 amp service. This chart and the adjustments of temperature and bundling are only an approximation of USCG and ABYC standards. ABYC standards and USCG certifications should be met. Printable Chart - Voltage Drop at 12 Volts (Double the distances for 24 volt)Īll wires should be AWG sizes (not SAE, which are smaller), with insulation rated at 105☌ dry, 75☌ wet. The chart is based on an amperage capacity multiplier of: AWG wire size ampacity limits. However - if your wires are carrying only intermittent current, or carrying current well below the conductor's capabilities, they need not be counted in the bundle.
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