Do you mean Single Phase? This is what supplies American homes and some commercial buildings. It is 120V/240V.
The cheapest service to construct is a single phase service. A three phase service requires more equipment and materials to complete a service.
Electric lines are on top of the pole to keep them out of the way.
Single pole.
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This type of project is best left to an electrical contractor. The pole has to be permitted and inspected. When the electrical inspector is satisfied that the installation is safe he will submit his connection form to the utility company for a connection to their lines.
There is no specific depth stated. Two to three feed deep with staked angular support from the pole to the ground will do the job fine.
no there is phone service in the north pole
A single pole switch controls one circuit, while a double pole switch controls two separate circuits.
Double pole and single pole.
single pole switch with sthetic diagram are hard to find these days
A double pole light switch controls two separate circuits, while a single pole light switch controls only one. Double pole switches have four terminals for wiring, while single pole switches have two.
This is the typical light switch in your home that controls a single light from a single location. Sometimes you might see it described as SPST or single pole single throw.