McMaster-Carr logo
    Filter by
    For Cable Type
    REACH Compliance
    Alert Type
    Number of Test Connections
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Comments
    E-mail address (if you would like a response)
    9 Products

    Data Cable Testing Adapters

    Image of Product. Front orientation. Data Cable Testing Adapters.
    Attach the included cord to an RJ45 wall outlet to isolate the signals of a data line, and use alligator clips to connect your testing device.
    No. of Test
    Connections
    Includes
    Each
    8Cord with RJ45 Plugs000000000000

    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 Tester
    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 ClipsNo19V000000000000000000000000000
    Cable Location, Continuity, PolarityLight, SoundRJ45 PlugTest Leads with Alligator ClipsNo19V00000000000000000000000000

    Line Tester Adapters

    Image of Product. Front orientation. Line Tester Adapters.
    Attach the included cord to an RJ11 wall outlet to isolate the signals of a telephone line, and use alligator clips to connect your testing device.
    No. of Test
    Connections
    Includes
    Each
    6Cord with RJ11 Plugs000000000000

    Noise-Filtering Line Testing Amplifiers

    Image of Product. Front orientation. Line Testing Amplifiers. Noise-Filtering Line Testing Amplifiers.
    Block out power-line hum when identifying a cable. Use this amplifier with a tone generator or tester to identify a cable without making direct contact with the wire. The tone will get louder the closer you get to the correct cable.
    Line Tester
    Pouches
    Measures
    Alert
    Type
    Features
    Each
    Each
    Cable LocationSoundNoise Filter, Socket for Telephone Line Tester0000000000000000000000000000

    Line Testing Amplifiers

    Image of Product. Front orientation. Line Testing Amplifiers.
    Use this amplifier with a tone generator or tester to identify a cable without making direct contact with the wire. The tone will get louder the closer you get to the correct cable.
    Line Tester
    Pouches
    Measures
    Alert
    Type
    Features
    Each
    Each
    Cable LocationSoundSocket for Telephone Line Tester000000000000000000000000000
    back to top