Was looking for help, failed elt. Service inspection due to the use of al. wire coming from the outside disconnect to the main panel inside the house. Wire is proper size but was informed that 2005 nec required use of copper?

I am trying to connect from a 3 wire system at the utility pole to a 4 wire service panel inside a new mobile home. I called an electrician for some advice and was told that I needed to drive an 8ft ground stake and attach a solid copper wire from the stake to the ground bar in the panel. Then I...

How do I hard wire my 3 wire (red,blk & bare copper wires) 220vac cooktop to the 4 wire (black/white stripe,black/red stripe, blk/blk & bare alum wires) in the house supply j-box ?

My garage is wired with a 220 outlet but the plug is for a dryer so I got the outlet I needed the new outlet has 3 conections the old one has 4 I know the red and black are hot but not sure what to do with the white and ground should they be connected to gether or do I not use the white well...

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?