What are the different types of risers in a building?
What is the purpose of a riser pole?
- A riseris an electrical connection attached to the side of a pole; hence, a pole supporting a riser is called a riser pole. The riser provides a connection between aerial conductors and underground conductors. The riser conductors are usually protected by conduit, although a U-guard is sometimes used.
What type of arrester is used on a terminal pole?
- Some utilities in this market use 5kA arresters on terminal poles, and some utilities use station class arresters on the riser pole. In a sense, these are also riser pole arresters. In the IEC market, it is quite common to use a class 2 arrester at terminal poles.
What is riser cable and why is it important?
- They get their name because of the way riser cable is ran which is rising up to each floor. Riser cable is important in that it can be a buildings backbone that transmits data, audio and video signals. The way Riser cable is termed through the industry is "CMR" which stands for communications riser.
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