Hi All! I currently have an old 40 amp service in my pre-war condo. We are allowed to run BX securely attached for a new service. The distance is 250 feet. I am looking to get a 100 amp service. What size BX cable should be used for this? Do they make BX large enough for a 250 foot 100 amp...

I am installing a single phase, 200 amp service on a new summer home that I am building. My question is about wire size for wire running from the meter pan to the breaker panel. I am told that I need 2/0 wire for each phase, but an electrician told me that I can drop down one size (1/0) for the...

Recently purchased new mobile home with a 200 amp breaker inside.the distance between the outside pole and inside breaker is about 70 feet.what size,or type,or gauge wire do i need to run. Lost in paradis... :) :confused:

Mobile home requires 4 wire electrical service entrance wire. Distance is 160 foot from meter to breaker panel. 220V service. What size wire do I use? Can I use diff. size for neutral and ground?

My question is... how do I figure out what size wire to use when I know the Amperage of the electrical device. Is there some form of electrical calculation? For example I want to upgrade to a 200 amp panel from a 70 amp panel.