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CL2Both CL2 and CL3 are types of multi-purpose wire used for security systems, speaker wire, intercom systems, nurse call buttons, and more. The difference between the two is that CL2 is rated for up to 150 volts while CL3 is rated for up to 300 volts. CL3 offers more protection against electric shock because it is rated to carry more voltage. Coaxial [..]
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