Importance

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Abstract

A polarity testing probe has a prod, a handle, an end cap, a wire, a cavity, first and second testing contacts, and a LED cartridge assembly. The prod extends from the handle. The end cap encloses the cavity within the handle. The handle is transparent through to the cavity. The wire extends from the end cap outside of the handle to a clamp. The first and second testing contacts are in the cavity and oppose one another. The first test contact is electrically connected to the prod. The second test contact is electrically connected to the wire. The assembly fits into the cavity with first and second assembly contacts to contact the first and second test contacts, respectively. The assembly has one LED connected to conduct and illuminate in one direction between the prod and the wire. The assembly has a second LED connected to conduct and illuminate in the opposite direction between the prod and the wire. The assembly has a transparent holder with wells to receive the LEDs. The assembly has a spring contact at one end and a button contact at the other. The assembly has a protection resistor. The assembly can be used to easily convert existing non-polarity testing probes to polarity testing probes. The assembly can be used with packages that contain two LEDs as an integrated unit for placement in a single well of the holder.

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First Claim