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3 in split insulating bushings are used after wire pull to protect low voltage cables from damage caused by sharp edges on EMT conduits. They are used with power, coaxial, computer, telephone, category 5E, category 6, audio, video, alarm system, security system, and thermostat cables. They have smooth plastic edges to protect wires from nicks, scratches and cuts. Garvin Industries’ split insulating bushings allow the installer to easily and effortlessly snap insulating bushings on to EMT conduits after low voltage wires have been pulled through; there is no need to disconnect existing wires and cables when installing them. They satisfy inspector requirements of having insulating bushings on existing pipes.