A 165 to 200 amp fuse is used on the service entrance wire at the main service panel.
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.
200 amp service is the current standard for new homes and updated service panels.
It can supply all standard electrical needs in a typical family home buy may not support a large electric heating system.
Service entrance wires 500 kcmil thhn 6 3 se cable how doers get more done need help.
2 2 2 4 al ser the southwire company 500 ft.
For 215a or less you need to go to 250 000 circular mil wire.
In large homes 250 amp or larger service capacity may be needed particularly if the home has electric heating.
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.
For use in almost all applications where type se cable is allowed.
2 0 copper wire ser cable mobile home feeder service entrance wires 150 ft.
Sizing the conductors.
This cable is primarily used as a panel feeder in multiple unit dwellings.
The southwire company 500 ft.
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.
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.