Service Cable Size 200 Amp

By nec guidelines 4 0 is required for three copper conductors carrying 195a in a tray or conduit at not more than 30 deg c ambient with insulation rated for 60 deg c.

Service cable size 200 amp.

2 2 2 4 al ser service entry electrical cable can be used in wet and dry locations up to 90 c or 194 f. This cable is primarily used as a panel feeder in multiple unit dwellings. 2 2 2 4 al ser the southwire company 500 ft. 200 amp service is the current standard for new homes and updated service panels.

In addition a 4 bare copper conductor is used for the connection between the ground rod plate and the neutral connection block of the distribution panel for a 200 amp service. A 165 to 200 amp fuse is used on the service entrance wire at the main service panel. 2 0 copper wire ser cable mobile home feeder service entrance wires 150 ft. In large homes 250 amp or larger service capacity may be needed particularly if the home has electric heating.

It can supply all standard electrical needs in a typical family home buy may not support a large electric heating system. The national electrical code nec recommends a maximum voltage drop of 3 percent for individual household circuits known as branch circuits this is a good goal to shoot for when sizing the conductors for an underground cable the following are the maximum lengths of cable you can use while still maintaining a 3 percent voltage drop for the given wire size awg and. The wire size chart below shows allowable ampacities of insulated conductors rated up to and including 2000 volts 60 c through 90 c 140 f through 194 f not more than three current carrying conductors in raceway cable or earth directly buried based on ambient air temperature of 30 c 86 f. Wire size chart and maximum amp ratings.

For 215a or less you need to go to 250 000 circular mil wire. Continue reading at se cable sizes vs amps for more wire size guidelines or select a topic from the closely related articles below or see the complete article index. I have a 650 run from the service pole and i m not sure with the voltage drop what size wire is needed for a 200 amp service. The southwire company 500 ft.