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Harger Lightning & Grounding produces signal bonds and propulsion bonds as well as the ULTRAWELD exothermic welding products for their installation. Harger's rail bonds and ULTRAWELD exothermic welding products are manufactured to meet AREMA standards. Harger signal bonds and ULTRAWELD are designed to provide a permanent, easy-to-install, low impedance bond. Signal bonds include joint head bonds, web track circuit connectors, bootleg, jumper and switch style web bonds. Signal bonds are fabricated from cadmium bronze signal bond strand conductors. Harger produces web “W” style and joint head “C” style propulsion bonds for electrified rail applications. Standard and custom propulsion bonds are available.