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> 400-017 — telecom - telephone line polarity tester
400-017 — telecom - telephone line polarity tester
400-017 Telephone / Telecom Line Tester
No tool-box should be without one!
* Never again guess about the correct polarity of telephone wiring.
* Quickly test for the presence of a phone connection.
* Plug into jack - test immediately
* Red light - reversed polarity
* Amber light - AC voltage present on line
* Plugs into a 6 or 8 position modular jack.
* Indicates status of pair one (center pair) with tri-color LED.
* GREEN = OK; RED = Polarity Reversed; YELLOW = AC (Ring) present. NO LIGHT = Dead Line.
* Individual Blister Packaged
