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This answer assumes that the sub panel will have a three wire feeding it with a supply of 120/240 volts. To maintain the voltage to a 2.5 % drop at the end of the 200 foot run, you will need to use 3 runs of #4 copper wire cable suitable for underground installations if installed in PVC conduit. You can also use 3C - #2 ACWU for direct burial. #4 copper wire is rated at 85 amps, #2 aluminum is rated at 95 amps. The reason for the larger sizes in the wire is to offset the voltage drop over the distance.

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What size service cable for 100 amp main panel 100 feet away?

For a 100 amp main panel located 100 feet away, it is recommended to use a 2/0 copper or 4/0 aluminum service cable to ensure proper voltage drop and capacity for the distance. Consult with a licensed electrician to determine the specific requirements based on local codes and conditions.


What size wire is needed to feed a 125 amp sub panel from a 200 amp panel less than 200 wire feet away?

For a 125 amp sub panel located less than 200 feet away from a 200 amp panel, you would typically use a 2 AWG copper wire or 1/0 AWG aluminum wire to safely carry the current load. It's important to follow local electrical codes and regulations when selecting the wire size.


What size electrical wire do I need to run from a meter main to a 200 amp panel 80 feet away?

A 3/0 copper conductor with an insulation rating of 75 or 90 degrees C is rated at 200 and 210 amps respectively. A 3/0 copper conductor will limit the voltage drop to 2% or less when supplying 200 amps for 80 feet on a 240 volt system.


What size wire do you use and do you need a 240 volt sub panel to send power to some lights and a 1500 watt 120 volt heater about 400 feet away?

For a 1500 watt 120 volt heater located 400 feet away, you would need to use at least 10-gauge wire to minimize voltage drop and ensure efficient power transmission. It is recommended to install a 240 volt sub panel near the heater location to account for the distance and potential power requirements for additional lights or equipment.


What size wire do I need for a 60 amp service either 750 feet or 500 feet away?

It depends on the supply voltage because at that distance the size of the wire is calculated on the volt-drop which is 5% of the supply voltage, or 3% in some countries. The allowable resistance equals the volt-drop divided by the current, then you can use wire tables to find the wire size, remembering that a supply needs 2 wires which are in series so that their resistances add. <<>> To answer this question a voltage value has to be stated. This is due to the higher the voltage the lower the current on a specific load. The lower the current, the smaller the wire size can be.

Related Questions

What is the recommended wire size for a 60 amp sub panel located 100 feet away?

For a 60 amp sub panel located 100 feet away, it is recommended to use a 6-gauge wire size to ensure proper electrical conductivity and safety.


What size wire do you need to run overhead to a 50 amp service five hundred feet away?

For that distance I would run AWG # 3 copper and install a sub-panel.


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 wire do you need for a amp sub panel A feet away?

To determine the appropriate wire size for an amp sub panel located a certain distance away, you need to consider the total load (in amps) and the distance (in feet). Generally, for a 100 amp sub panel, a minimum of 3 AWG copper wire is recommended for runs up to 100 feet, while 1 AWG copper may be necessary for longer distances to account for voltage drop. Always consult local electrical codes and, if unsure, consider hiring a licensed electrician for accurate specifications and safety.


What size wire to run 250 feet away 60 amp sub panel?

Re Question with the voltage that you will be using.


What size service cable for 100 amp main panel 100 feet away?

For a 100 amp main panel located 100 feet away, it is recommended to use a 2/0 copper or 4/0 aluminum service cable to ensure proper voltage drop and capacity for the distance. Consult with a licensed electrician to determine the specific requirements based on local codes and conditions.


What size wire is needed to feed a 125 amp sub panel from a 200 amp panel less than 200 wire feet away?

For a 125 amp sub panel located less than 200 feet away from a 200 amp panel, you would typically use a 2 AWG copper wire or 1/0 AWG aluminum wire to safely carry the current load. It's important to follow local electrical codes and regulations when selecting the wire size.


What size window do I need to use the Frigidaire FAX052P7A?

You need the stand size window opening of 2.5 feet by 2 feet.


What are the necessary steps for installing a garage sub panel?

To install a garage sub panel, you need to first determine the appropriate size and location for the panel. Then, you will need to run a conduit from the main panel to the garage, install the sub panel, connect the wires, and properly ground the panel. Finally, you will need to test the panel to ensure it is functioning correctly and safely.


What size electrical wire do I need to run from a meter main to a 200 amp panel 80 feet away?

A 3/0 copper conductor with an insulation rating of 75 or 90 degrees C is rated at 200 and 210 amps respectively. A 3/0 copper conductor will limit the voltage drop to 2% or less when supplying 200 amps for 80 feet on a 240 volt system.


What Size skateboard do you need if you wear a size 11?

it depends on what size your feet are


How big is one solar pannel?

hello Michael pie they can be big or small