An insulator type usually made of porcelain that can be stacked in a string
and hangs from a cross arm on a tower or pole and supports the line
conductor. Suspension insulators
are used for very high voltage systems when it is not practical or safe to use other types of insulators.
They have an advantage in that one or more of the insulators in a string can be changed out without
replacing the entire string.
Figure 1. Suspension insulators
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Figure 2. Suspension insulators
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Figure 3. Suspension insulators
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