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What type of panel should be used in 3 phase 400 amp?
The type would be a three phase panelboard. If you are carrying the wye neutral into the service, then it would be a three phase four wire distribution panelboard. Regardless of the style used, it would have to have a minimum 400 amp bus.
What gauge wire to use for direct burial for a garage that is 400 feet from your house?
Depends on the size of the sub-panel in that garage. If you are installing a 60 amp sub-panel 400 feet away from the main service panel then use AWG # 4.
What size ground wire is needed for 400 amp service entrance?
For a 400 amp service entrance, a grounding conductor of at least 3/0 AWG (American Wire Gauge) copper or 250 kcal (thousand circular mils) aluminum is required, in compliance with electrical codes and regulations. However, specific requirements may vary based on local codes and the specific conditions of the installation, so it's important to consult with a qualified electrician or refer to the applicable building codes for precise guidance.
What size wire do you need to run for 30 amp service to travel trailer 400 feet single phase 110 volt?
Presuming that you would like the least expensive installation, the following is calculated on overhead aluminum wire. The wire size needed to hold the voltage drop to 3% would be 3/0 MCM. If the installation could be run on 240 volts then the wire size can be reduced to #2.
What size conductors are needed to run a 400 foot residential underground electric service?
Need to know what size service is going to be installed at the end of the run.
