Joslyn 3648 metal insulator bracket with 3 brown ceramic insulators.
Ceramic power pole insulators.
Vintage blue ceramic insulator marked b.
The term insulator is also used more specifically to refer to insulating supports used to attach electric power distribution or transmission.
An insulating material used in bulk to wrap electrical cables or other equipment is called insulation.
Hence overhead power lines are always supported on insulators mounted on their support poles towers.
Insulators are used in electrical equipment to support and separate electrical conductors without allowing current through themselves.
Vintage 12 65 00 vintage 12 wooden screw peg pin for ceramic or glass pole line insulators lot of 64 99 lot of 6 vintage porcelain ceramic telephone insulators cook thomas locke.
Vintage lot 65 00 vintage lot of 3 brown ceramic insulators dual bracket power pole steampunk.
Similar to their glass counterparts porcelain insulators date back to before the civil war for telegraph wires.
Lot of 26 porcelain ceramic tube knob wire electrical insulators barn antique.
Vintage black top porcelain ceramic insulator telephone electric voltage.
Overhead line insulators it is obvious that if overhead power lines are not properly insulated from their support poles towers the current will flow towards the ground through the poles towers which also become hazardous.
Of course the power line won t even work in that case.