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Close-up of electrical insulator on the contact wires. High-voltage ceramic insulator of power line
Porcelain and toughened glass insulating discs on high- voltage cables or power lines on electrical pylons in Montreal.
Electric power equipment hv porcelain, closeup of photo
electricity substation with power lines and insulators.Check out our other great backgrounds!
High voltage glass electrical insulator electric line against the blue sky close up.
Electricity insulators
A close-up of an electrical insulator assembly, designed to support high-voltage power lines while preventing energy loss. The deep blue sky provides a striking contrast to the intricate engineering of the suspension system.
High voltage glass and ceramic plates insulators electric line close-up details with blue sky background
Close detail of a wooden power pylon
Old simple rural wood electrical pole on blue sky.
Insulated eletric cables hanginfrom a pylon
Porcelain and toughened glass insulating discs on high- voltage cables or power lines on electrical pylons in Montreal.
Polymer ceramic insulator with high voltage. Dangerous engineering facility. Close up.
Electrical insulators made of glass on a cable, isolated on white.
Close-up of a high voltage insulators on  metal poles
Electricity post
Close up of a transparent turquoise High voltage insulator or isolator in sunlight and clear blue sky
A view of the high-voltage transmission pole and components of the connection to the substation.
High voltage tower with electrical voltage wires isolates close-up against the background of clouds. Energy industry.
Ceramic insulators at an electrical substation at a hydroelectric power station. Symmetrical composite.
A  porcelain insulator on an electrified border fence.
Old Telegraph Pole. Detail shots.
Glass transparent high-voltage insulator is in storage. Industrial background.
Electric tower on a background of voluptuous clouds that relate the concept of energy with nature, sustainability and ecology.
A power line with two green insulators on it. The insulators are on a metal pole
Part of the Union Chain Bridge near Berwick-upon-Tweed which crosses the mighty River Tweed at Horncliffe, Northumberland, England to Fishwick, Borders, Scotland. The structure was the first chain suspension bridge in Europe to carry wheeled traffic.
insulator of a railroad power system
A pair of crows perch on a crossarm on a wooden telephone pole in a residential neighbourhood. Winter afternoon.
high voltage tower with glass insulators fixing a wire
Detail of sub electricity pole in Bangkok
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