Your service panel is the primary distribution center for all the electrical currents in your house and yard. It connects your CD player, lava lamp, and 27-speed blender to your utility’s service lines. Fuses serve the same purpose as the circuit breakers in a modern service panel, but they are considered dated and no longer are installed for residential purposes. Some old fuse services are as small as 60 amps, which is hardly adequate for modern electrical demands. The National Electrical Code calls for a new service to be a minimum size of 100 amps.
There are two types of electrical services:
➤ Overhead service
➤ Underground service
Most older services are overhead. That is, the utility company uses overhead service conductors, usually from a utility pole, that often connect to a service mast on the outside of your house. An underground service, commonly found in new housing, is buried. Each must follow prescribed installation procedures.
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