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Different length poles, up to 120 feet (36.6 m) or more, are used to satisfy clearance requirements, but the standard utility pole in the US is about 40 feet (12.2 m) long and is buried about 6 feet (1.8 m) in the ground, for a height above ground of about 34 feet (10.4 m).[2] They are spaced about 125 feet (38 m) apart. Joint use poles are usually owned by one utility, which leases space on it for other cables. In the USA the National Electrical Safety Code, published by the IEEE, sets the standards for construction and maintenance of utility poles and their equipment. Most utility poles are made of wood, pressure-treated with some type of preservative for protection against rot, fungi and insects. Southern Yellow Pine is the most widely used species in the United States, however many species of long straight trees are used to make utility poles, including Douglas fir, Jack Pine, Lodgepole Pine, Western Red Cedar and Pacific Silver Fir. Traditionally the preservative used was creosote, but due to environmental concerns, alternatives such as pentachlorophenol, copper naphthenate and borates are becoming widespread in the US. For over 100 years the American Wood Protection Association (AWPA) has developed the standards for preserving wood utility poles. Despite the preservatives, wood poles decay and have a life of approximately 25-50 years, depending on climate and soil conditions, therefore requiring regular inspection and remedial preservative treatments.[3][4][5] Other common utility pole materials are steel and concrete, with composites (fibreglass) also becoming more prevalent. One particular patented utility pole variant, used in Australia, is the Stobie pole.
Wiki User
∙ 14y ago
Wiki User
∙ 14y agoPine.
Typically Yellow Pine but other species have been used for utility poles.
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Why are telephone poles called telephone poles?
Telephone poles are just wood poles that hold the telephone cable,the telephone terminal and telephone drops, (wires going to individual houses) in the air and out of the way. Areas that have no poles usually are newer areas, they have the same type wires only they are buried in the ground.
What does poles carved of wood make?
plain wooden poles
What are the Alaska wooden poles carved and painted with symbols called?
Totem Poles.
How many telephone poles in the US?
There are approximately 120 million telephone poles in the United States.
How did the Mayans built there home?
The Mayans built there homes out of limestone or hardened mud and long wooden poles. First they set the up the wooden poles equally spaced out in an oval or circular shape, and once they did that they put a few wooden poles slanted on top of the wooden poles they just placed there to support the slanted hay roof. Second they put the limestone or hardened mud around the wooden poles at the bottom. Then last they put the hay on the slanted roof.
What is tipis made from?
Animal skin and wooden poles
What is the measurement of the telephone pole?
How deep do they put telephone poles in the ground
What did the cree people live in?
Cree people lived in big tents called tipis made of wooden poles and buffalo skins. people would give them the wooden poles for there b-day and the more poles you had, the older you are.
How do you get the wooden pole on cryptids island?
You don't get any wooden poles. There is nothing you really need one for.
What are the effects of creep?
tilted telephone poles, ect.
What are telephone poles worn down by in the dessert?
sand
How many telephone poles are in one mile?
16
