Frank Boettcher wrote:
> If I want to have a 60 AMP subpanel, one method would be:
> Buy a low cost package service entrance panel making sure what joins
> the nuetral and ground buses is removable, remove the tie between the
> nuetral and ground buses, make sure the ground bus is bonded to the
> panel, replace the existing main breaker (which will probably be 100
> amp or greater depending on the panel capacity) with a 60Amp main
> breaker, and I'm there?
The (M)ain (L)ug (O)nly panel with an assortment of main c'bkr kits
was developed to provide the electrical distributor the maximum
flexibility of his inventory with the minimum investment.
For years, the standard was the 125A, MLO panel with various branch
arrangements.(Usually 60A and 100A)
As shipped from the manufacturer, they were ready to install as sub
panels, if if you added an insulated neutral, and used the existing
bus bar as a ground bus.
To convert to a service entrance panel, all you had to do was add a
main c'bkr kit since the neutral and ground connections shared the
Today's higher electrical usage often dictates a 200A panel, which is
a whole new family of larger c'bkrs for main c'bkrs.