2AWG.
Service entrance wire should be AWG #3 copper.
For a 100-amp service, you will typically need a wire size of 2/0 or 3/0 copper or 4/0 aluminum. It is recommended to consult with a licensed electrician to determine the exact wire size needed for your specific installation.
For a 200 amp service, you will typically need a wire size of 2/0 AWG (American Wire Gauge) for copper or 4/0 AWG for aluminum. It is recommended to consult with a licensed electrician for specific requirements and installation guidelines.
As a service entrance wire you need AWG # 3/0 gauge copper.
The recommended wire size for a 60 amp service is typically 6-gauge copper wire.
You need to look at the regulations that apply in your country. If in doubt, use a neutral wire of the same size as the live wire or wires.
The recommended copper wire size for a 100 amp service is typically 3 AWG (American Wire Gauge).
The recommended wire size for a 100 amp aluminum service is typically 2 AWG (American Wire Gauge).
The recommended wire size for a 200 amp service using aluminum wire is typically 2/0 AWG (American Wire Gauge).
The recommended service wire size for a residential electrical service upgrade is typically 2/0 copper or 4/0 aluminum.
The recommended aluminum wire size for a 200 amp service is typically 2/0 AWG.
The recommended wire size for a 100A service is typically 2 AWG copper or 1/0 AWG aluminum.