Last week one of those porcelain insulators tore us up for a day.
2.
He's collecting porcelain insulators now, though he still favors glass.
3.
This factory produced porcelain insulators for the electricity industry and had historically run a small design studio.
4.
This system was recognizable by the large porcelain insulator separating the lamp and reflector from the mounting arm.
5.
Although glass insulators are the most popular for the majority of collectors, a number of people collect porcelain insulators as well.
6.
Porcelain insulators may have a semi-conductive glaze finish, so that a small current ( a few milliamperes ) passes through the insulator.
7.
Typically, wooden or metal posts are driven into the ground and plastic or porcelain insulators are attached to them, or plastic posts are used.
8.
Historically the first section was often an aerial open-wire line, with several conductors attached to porcelain insulators on cross-arms on " telegraph " poles.
9.
Usually the metal mast itself is used as the antenna, and is mounted on a large porcelain insulator to isolate it from the ground; this is called a " mast radiator ".
10.
There were a number of high-voltage switch-panels on show, with white porcelain insulators and red, white and blue painted bus-bars; and their manufactures glories at hanging notices on these panels 20, 000 volts DANGER .
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