AWG 12 will suffice.
A 100 amp residential service requires a size #8 copper wire, it should be insulated in green.
Service entrance wire should be AWG #3 copper.
2 copper
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.
A 100 amp service requires that you use AWG 4 copper wire or AWG 2 aluminum wire.
10 guage
The recommended wire size for a 60 amp service is typically 6-gauge copper wire.
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.
For a 200 amp service, it is recommended to use a size 2/0 or larger underground wire.
A 100 amp residential service requires a size #8 copper wire, it should be insulated in green.
For a 100 amp service in copper, a wire size of 3/0 AWG should be used.
The 200 amp service wire size chart provides information on the recommended wire size to use for a 200 amp electrical service. This chart helps determine the appropriate wire gauge based on factors like the length of the wire run and the type of material being used.