most likely a u shaped wire clamp or god forbid a hose clamp lerks beneath the tape. I like Brion's suggestion of seizing for the connection. I never understood why noresman or other manufactures don't have a adequate provision for a electical connection on their insulating terminal. Probably a good patent opportunity out there for someone. Idealy there should be a terminal post on the insulated side of the connection where a properly soldered insulated lug could be fastened. Eliminate all the rigamaroo of trying to make a proper electrical connection to the outside of 1x19 wire.
Jake
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