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Electrical protection means. Hard hat, visor, rubber gloves and boots, dielectric mat isolated on white Rubber boots and an electric rod for working under voltage. Protection of people from electric shock. High voltage post or High voltage tower dielectric gloves on a man, mending wires, a lamp. Professional electrician. Scientist working in insulator laboratory  Gloves dielectric  isolated on white High voltage transmission power tower with glass insulators High-voltage electrical insulator electric line Electrical conductors and insulators physical vector illustration scheme. A ceramic suspended insulator hangs from a power line against a blue sky. parallel plate capacitor in circuit. dielectric gloves in hand holds the employee in front of the electrical panel in the room