[citizen]

I think "should" is the operative word here.

But it'll be like anything else, you'll get the service and the components you pay for...some will be scammers, so beware.

The real worry is "Sure, by brother-in-law can put that in for ya, no problem." Then something overheats or shorts out and your house burns...maybe with you in it.

[dinodino]

I used industrial grade connectors and components...would have been less money if I used regular stuff, but for high-current applications like this it’s best to use the good gear.