A pole that is used to support overhead power lines and other public utilities like Cable, Fiber optic table, Transformers and Street lights.

1. An insight into utility poles

2. A pole that is used to support overhead power lines and other public utilities like:
Cable
Fibre optic table
Transformers
Street lights
Are termed as utility poles; however it has several other names, depending upon the application
it is referred as:
Telephone pole
Power pole
Hydro pole
Telegraph pole
Telegraph post
Different types of components are used to make this pole and some of them include:
Wood
Metal
Concrete or
Composites like fiberglass.
Higher voltage transmission lines are carried on steel transmission towers or pylons on the other
hand the above are used for lower voltage power transmission.
Some of the technical specificity of utility poles are mentioned right here in this article. From
bottom to top it would include:
An inductive coil charging pad for electric vehicles
Stacked telecom boxes for various providers
A WiFi transmitter and
An LED streetlamp
Spaced out from this, the poles could even power a district bulletin board.
In general, these poles are usually used to transmit two types of:
Electric power lines
Distribution lines which is also known as feeders and
Sub transmission lines

3. As far as the distribution lines are concerned, they carry power local substations to customers
and typically carry voltages from 4.6 to 33 kilovolts for thirty miles distance. And embraces
transformers to pace the voltage down from the primary voltage of the lines to the lesser
secondary voltage used by the customer.
On the other hand, coming to sub transmission line, they carry higher voltage power from local
substations to regional substations. For distances up to 60 miles, they carry a kilovolt of 46 kV,
69 kV, or 115 kV. Made with two or three poles, 230kV lines are often supported on H-shaped
towers. The transmission lines that carry more than 230kv or more than that are not sustained by
poles, but they are done by metal pylons which are generally termed as transmission towers.
A distribution line is often carried on the same poles for economic or practical reasons such as to
save space in urban areas; although build up under the higher voltage lines; a practice called
"under build". With regards to the Telecommunication cables, they are more often than not
carried on the same poles that support power lines; known as joint use poles, these come under
the category of shared function. Nevertheless, they may also encompass their own dedicated
poles.
For safety purpose, the poles carrying both the electric power distribution lines and linked gear
are mounted at the peak of the pole on top of the communication cables. Called as the supply
space, the vertical space is reserved for this equipment on the pole. Generally mounted on a
parallel cross arm, the wires are usually uninsulated, and supported by insulators. With the help
of the three-phase system, power is transmitted; with three wires, or phases, labeled "A", "B",
and "C".
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