McMaster-Carr logo
    Filter by
    Battery Size
    Alert Type
    U.S.–Mexico–Canada Agreement (USMCA) Qualifying
    DFARS Specialty Metals
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    For Telephone Network Type
    Forward
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Print
    How can we improve?
    Comments
    E-mail address (if you would like a response)
    5 Products

    Line Testers

    Image of Product. Front orientation. Line Testers.
    Diagnose problems with analog and digital telephone lines.
    Display
    Measures
    Alert
    Type
    Type
    Features
    Includes
    Batteries
    Included
    No. of Batteries
    Req.
    Battery
    Size
    Each
    DC Current, DC Voltage, Dial ToneLightDigitalCall Waiting, Caller ID, Number DialedHeadset, Test Leads with Alligator Clips and RJ11 PlugNo2AA57595T350000000

    Tone-Generating Line Testers

    Image of Product. Front orientation. Line Testers. Tone-Generating Line Testers, RJ11 Plug.
    Image of Product. Front orientation. Line Testers. Tone-Generating Line Testers, RJ45 Plug.

    RJ11 Plug

    RJ45 Plug

    Generate an audible signal when testing for short circuits, line continuity, or when locating a cable. Use an amplifier (sold separately) to hear the signal. These tone generators have a light signal to verify polarity.
    Line Testers
    Pouches
    Measures
    Alert Type
    Features
    Includes
    Batteries
    Included
    No. of Batteries
    Req.
    Battery
    Size
    Each
    Each
    Cable Location, Continuity, PolarityLight, SoundRJ11 PlugTest Leads with Alligator ClipsNo19V57175T100000057175T15000000
    Cable Location, Continuity, PolarityLight, SoundRJ45 PlugTest Leads with Alligator ClipsNo19V57175T900000057175T7100000
    back to top