A Spotter’s Guide
each photo is described in the orange box below
Photo Decriptions From L-R:
long rural distribution lines. Reclosers protect lines and
consumers from short circuits. For ex- ample, if a tree branch touches a line, electric current will flow through the tree, burning it and overheating the wire. Eventually, this will result in a fault that causes a protective device, like a fuse or a circuit breaker to oper- ate and interrupt power. Circuit break- ers “open” the circuit, cutting off the power. Because many shorts correct themselves in a few seconds—as the high current will usually burn a tree limb away from the line—most modern circuit breakers have a mechanism that allows them to reclose a moment later (hence the name recloser). Fuses are also designed to pro-
tect lines and homes from short circuits.
But fuses are one-shot devise—a fault, like a tree branch described above, on the load side of the fuse will cause them to burn out. High voltage fuses look like a bar offset from the pole by one more insula- tors. When a fuse blows, linemen have to go out and find why the fuse blew, fix the problem and refuse the line to restore power. common on distribution poles. Once you know what they look like, you’ll realize you’ve been see- ing them every day for years.
1. Transmission Lines - Transmission lines
are designed to carry electricity longer distances and at higher voltages.
2. Line Fuse - Fuses designed to
protect lines and home from short circuits. When a fuse blows, linemen have to go out and find why the fuse blew, fix the problem and refuse the line. 95807
3. Reclosers - Reclosers protect lines
and members from short circuits. When your power blinks three time and stays- on, it’s usually because the recloser is doing its job and correcting the problem on its own.
4. Transformers - Transformers connect
your home to a distribution line and lower the voltage to what you need in your home.
Kay Electric Cooperative
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