McMaster-Carr logo
    Filter by
    Electrical Connection Gender
    Electrical Connection Component
    Test End Shape
    Connection End Shape
    American Wire Gauge (AWG)
    Industrial Info Compare
    Attribute Image
    Connection Protection
    Hand-Held DC Voltage Rating
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Comments
    E-mail address (if you would like a response)
    48 Products

    Test Lead Adapters

    Image of Product. Sheathed Banana Jack × Sheathed Standard Banana Jack. Front orientation. Contains Inset. Test Lead Adapters. Sheathed Banana Jack, Sheathed Standard Banana Jack.
    Image of Product. Banana Plug × Sheathed Standard Banana Jack. Front orientation. Contains Inset. Test Lead Adapters. Banana Plug, Sheathed Standard Banana Jack.
    Image of Product. Banana Plug × Screw Terminal. Front orientation. Test Lead Adapters. Banana Plug, Screw Terminal.

    Sheathed Banana Jack × Sheathed

    Standard Banana Jack

    Banana Plug × Sheathed Standard Banana

    Jack

    Banana Plug

    × Screw

    Terminal

    Image of Product. Double Banana Plug × Screw Terminal. Front orientation. Test Lead Adapters. Double Banana Plug, Screw Terminal.
    Image of Product. Hook × Sheathed Standard Banana Jack. Front orientation. Contains Inset. Test Lead Adapters. Hook, Sheathed Standard Banana Jack.

    Double Banana Plug

    × Screw Terminal

    Hook × Sheathed Standard

    Banana Jack

    Convert a test lead tip style to take a new electrical measurement without switching test leads.
    4 mm Connection End Size—4 mm connection ends are the most common size used in electrical testing.
    AC Voltage
    Rating, V AC
    DC Voltage
    Rating, V DC
    Test End
    Connection End
    Connection
    End Size, mm
    For Max.
    Wire Dia.
    Hand
    Held
    Hands
    Free
    Hand
    Held
    Hands
    Free
    Current,
    amp
    Electrical Safety
    Rating
    Lg.
    Test End Material
    Choose a
    Color
    Each
    Sheathed Banana JackSheathed Standard Banana Jack41,0001,0001,0001,00015CAT III, 600V2 1/2"Nickel-Plated Brass
    Black
    ,
    Red
    000000000000
    Banana PlugSheathed Standard Banana Jack4421,000421,00015CAT III, 600V2 1/2"Nickel-Plated Brass
    Black
    ,
    Red
    00000000000
    Banana PlugScrew Terminal0.12"305,000605,000151 1/2"Nickel-Plated Brass
    Black
    ,
    Red
    00000000000
    Double Banana PlugScrew Terminal0.22"305,000605,000151 1/2"Nickel-Plated Brass
    Black
    ,
    Red
    00000000000
    HookSheathed Standard Banana Jack4303006030052 1/2"Gold-Plated Copper
    Black
    ,
    Red
    000000000000

    Patch Cords

    Image of Product. Front orientation. Patch Cords. Style B.
    Image of Product. Front orientation. Patch Cords. Style D.
    Image of Product. Front orientation. Patch Cords. Style E.

    Style B

    Style D

    Style E

    Image of Product. Front orientation. Patch Cords. Style F.
    Image of Product. Front orientation. Patch Cords. Style G.
    Image of Product. Front orientation. Patch Cords. Style H.

    Style F

    Style G

    Style H

    Image of Product. Front orientation. Patch Cords. Style J.
    Image of Product. Front orientation. Patch Cords. Style K.
    Image of Product. Front orientation. Patch Cords. Style M.

    Style J

    Style K

    Style M

    Hook up electrical testing equipment and create test circuits.
    Hand-held voltage ratings are the maximum tested voltage for applications where you hold the cord in your hands while testing. Hands-free voltage ratings are the maximum voltage the cord is rated to withstand.
    Standard Banana Connection—Standard banana connection ends hook up to multimeters and other equipment with banana jacks.
    AC Voltage
    Rating, V AC
    DC Voltage
    Rating, V DC
    Style
    Connection End
    Hand
    Held
    Hands
    Free
    Hand
    Held
    Hands
    Free
    Current,
    amp
    Electrical Safety
    Rating
    Choose a
    Color
    Choose a Length
    Each
    BSleeved Alligator Clip × Stackable Standard Banana Plug30150601505
    Black
    ,
    Red
    12"
    ,
    24"
    ,
    36"
    ,
    48"
    ,
    60"
    0000000000000
    DStackable Standard Banana Plug × Stackable Standard Banana Plug30605,00015
    Black
    ,
    Red
    12"
    ,
    24"
    ,
    36"
    ,
    48"
    ,
    60"
    ,
    72"
    00000000000
    EStackable Standard Banana Plug × Stackable Probe30603,0005
    Black
    ,
    Red
    12"
    ,
    24"
    ,
    36"
    ,
    48"
    000000000000
    FCross-Stackable Standard Banana Plug × Cross-Stackable Standard Banana Plug30605,00015
    Black
    ,
    Red
    12"
    ,
    24"
    ,
    36"
    000000000000
    GDouble-Stackable Standard Banana Plug × Double-Stackable Standard Banana Plug301,40060Black
    24"
    ,
    36"
    ,
    48"
    ,
    60"
    000000000000
    HDouble-Stackable Standard Banana Plug × Two Retractable Hooks30300603005Black
    24"
    ,
    36"
    ,
    48"
    ,
    60"
    000000000000
    JSheathed Stackable Standard Banana Plug × Sheathed Stackable Standard Banana Plug1,0001,00010CAT III, 1,000V
    Black
    ,
    Red
    48"000000000000
    KRetractable Hook × Stackable Standard Banana Plug30300603005
    Black
    ,
    Red
    12"
    ,
    24"
    ,
    36"
    ,
    48"
    ,
    60"
    000000000000
    MTweezer × Two Stackable Standard Banana Plugs30603Black48"000000000000

    Fluke Test Lead Sets

    Image of Product. Front orientation. Test Leads. Fluke Test Lead Sets, Model Number FTPL-1.
    Image of Product. Front orientation. Test Leads. Fluke Test Lead Sets, Model Number TL175.

    Model Number FTPL-1

    Model Number TL175

    Image of Product. Front orientation. Test Leads. Fluke Test Lead Sets, Model Number TL222.
    Image of Product. Front orientation. Test Leads. Fluke Test Lead Sets, Model Number TL224.

    Model Number TL222

    Model Number TL224

    Image of Product. Front orientation. Test Leads. Fluke Test Lead Sets, Model Number TL26A.
    Image of Product. Front orientation. Test Leads. Fluke Test Lead Sets, Model Number TL27.

    Model Number TL26A

    Model Number TL27

    Image of Product. Front orientation. Test Leads. Fluke Test Lead Sets, Model Number TL28A.
    Image of Product. Front orientation. Test Leads. Fluke Test Lead Sets, Model Number TL40.

    Model Number TL28A

    Model Number TL40

    Image of Product. Front orientation. Test Leads. Fluke Test Lead Sets, Model Number TL71.
    Image of Product. Front orientation. Exploded view. Test Leads. Fluke Test Lead Sets, Model Number TL75.

    Model Number TL71

    Model Number TL75

    Image of Product. Front orientation. Test Leads. Fluke Test Lead Sets, Model Number TL76.
    Image of Product. Front orientation. Test Leads. Fluke Test Lead Sets, Model Number TL910.

    Model Number TL76

    Model Number TL910

    Connect to Fluke multimeters with a set of red and black test leads.
    The connection end is a 4 mm banana plug, which is the standard for connecting to a multimeter.
    Mfr. Model
    No.
    For Fluke Model No.
    Test End
    Connection End
    AC Voltage,
    V AC
    DC Voltage,
    V DC
    Current,
    amp
    Electrical Safety Rating
    Certification
    No. of
    Cords
    Cord
    Lg.
    Color
    Test End Material
    Pair
    FTPL-1289Notched Threaded Probe TipSheathed Standard Banana Plug1,0001,00010CAT IV, 600VCSA Certified, CSA-US Certified248"Black, RedNickel-Plated Brass000000000000000
    TL17577IV, 113, 114, 115, 116, 117, 175, 177, 179, 233, 287, 289Notched Threaded Probe TipSheathed Standard Banana Plug1,0001,00010CAT IV, 600VCSA Certified, CSA-US Certified248"Black, RedNickel-Plated Brass0000000000000
    TL22283V, 87V, 787Sheathed Banana PlugSheathed Standard Banana Plug1,0001,00010CAT III, 1,000V; CAT IV, 600VCSA Certified, CSA-US Certified260"Black, RedCopper0000000000000
    TL22487V, 107, 179, 233, 287, 3000Sheathed Banana PlugSheathed Standard Banana Plug1,0001,00010CAT III, 1,000V; CAT IV, 600VCSA Certified, CSA-US Certified260"Black, RedCopper0000000000000
    TL26A83V, 87V, 88V/A, 107, 179, 287, 289Serrated Alligator ClipSheathed Standard Banana Plug30308CSA Certified, CSA-US Certified260"Black, RedNickel-Plated Copper0000000000000
    TL27107, 175, 177, 179, 787Sheathed Banana PlugSheathed Standard Banana Plug1,0001,00010CAT III, 1,000VCSA Certified, CSA-US Certified260"Black, RedCopper0000000000000
    TL28A88V/A, 107, 175, 177, 179, 287, 289Serrated Alligator ClipSheathed Standard Banana Plug303010CAT I, 30VCSA Certified, CSA-US Certified260"Black, RedCopper0000000000000
    TL4083V, 87V, 88V/A, 287, 289, 787Retractable Probe TipSheathed Standard Banana Plug6006003CAT II, 600VCSA Certified, CSA-US Certified248"Black, RedStainless Steel0000000000000
    TL7127 II, 28 II, 83V, 87V, 88V, 114, 115, 116, 117, 175, 177, 179, 233, 787, 789Notched Probe TipSheathed Standard Banana Plug1,0001,00010CAT IV, 600VCSA Certified, CSA-US Certified248"Black, RedNickel-Plated Brass0000000000000
    TL7583V, 87V, 113, 175, 177, 179, 287, 289, 787, 789Notched Probe TipSheathed Standard Banana Plug1,0001,00010CAT IV, 600VCSA Certified, CSA-US Certified248"Black, RedNickel-Plated Brass0000000000000
    TL7687V, 107, 179, 287, 289, 787Pointed Threaded Probe TipSheathed Standard Banana Plug1,0001,00010CAT II, 1,000VCSA Certified, CSA-US Certified248"Black, RedNickel-Plated Brass0000000000000
    TL91083V, 87V, 287, 289, 787Pointed Probe TipSheathed Standard Banana Plug1,0001,0003CAT II, 1,000VCSA Certified, CSA-US Certified240"Black, RedGold-Plated Copper0000000000000

    Build-Your-Own Test Leads

    Image of Product. Front orientation. Test Leads. Build-Your-Own Test Leads, Style A.
    Image of Product. Front orientation. Test Leads. Build-Your-Own Test Leads, Style B.
    Image of Product. Front orientation. Test Leads. Build-Your-Own Test Leads, Style C.

    Style A

    Style B

    Style C

    Choose your own combination of test lead tips and cords.
    The connection end on the cords is a 4 mm banana plug, which is the standard for connecting to a multimeter.
    Cords
    Image of Product. Front orientation. Test Leads. Build-Your-Own Test Leads, Style A.
    Image of Product. Front orientation. Test Leads. Build-Your-Own Test Leads, Style B.
    Image of Product. Front orientation. Test Leads. Build-Your-Own Test Leads, Style C.

    Style A

    Style B

    Style C

    Style
    Connection End
    Connection End Shape
    AC Voltage,
    V AC
    DC Voltage
    Current,
    amp
    Electrical Safety
    Rating
    No. of
    Cords
    Cord
    Lg.
    AWG
    Color
    Pair
    ASheathed Standard Banana Plug x Sheathed Standard Banana Plug90° Angle x 90° Angle1,0001,000 mV DC10CAT III, 1,000V247"18
    Black, Red0000000000000
    BSheathed Standard Banana Plug x Sheathed Standard Banana PlugStraight x 90° Angle1,0001,000V DC10CAT III, 1,000V247"18
    Black, Red000000000000
    CSheathed Standard Banana Plug x Sheathed Standard Banana PlugStraight x Straight1,0001,000V DC10CAT III, 1,000V247"18
    Black, Red000000000000
     

    Test Lead Sets

    Image of Product. Front orientation. Test Leads. Test Lead Sets, Style A.
    Image of Product. Front orientation. Test Leads. Test Lead Sets, Style B.
    Image of Product. Front orientation. Test Leads. Test Lead Sets, Style C.

    Style A

    Style B

    Style C

    Image of Product. Front orientation. Exploded view. Test Leads. Test Lead Sets, Style D.
    Image of Product. Front orientation. Exploded view. Test Leads. Test Lead Sets, Style E.
    Image of Product. Front orientation. Test Leads. Test Lead Sets, Style F.

    Style D

    Style E

    Style F

    Pairs of red and black test leads are ready to connect to a multimeter or other electrical test equipment.
    The connection end is a 4 mm banana plug, which is the standard for connecting to a multimeter.
    Style D—Style D come with alligator clips that screw onto the tips for two testing options with one test lead set.
    Style
    Test End
    Connection End
    AC Voltage,
    V AC
    DC Voltage,
    V DC
    Current,
    amp
    Electrical Safety
    Rating
    No. of
    Cords
    Cord
    Lg.
    Color
    Test End Material
    Pair
    APrecision Retractable HookSheathed Standard Banana Plug3003005CAT II, 300V248"Black, RedGold-Plated Copper0000000000000
    BPrecision Retractable HookSheathed Standard Banana Plug3003005CAT II, 300V248"Black, RedGold-Plated Copper000000000000
    CThreaded Needle TipSheathed Standard Banana Plug1,0001,00020CAT II, 1,000V248"Black, RedStainless Steel0000000000000
    DThreaded Needle Tip with Alligator ClipSheathed Standard Banana Plug1,0001,00020CAT II, 300V244"Black, RedStainless Steel000000000000
    ENotched Probe TipSheathed Standard Banana Plug1,0001,00010CAT II, 1,000V248"Black, RedNickel-Plated Brass000000000000
    FPrecision TweezerSheathed Standard Banana Plug30603248"BlackBrass000000000000

    Test Leads

    Image of Product. Sheathed 90° Standard Banana Plug. Front orientation. Test Leads. Sheathed Standard Banana Plug, 90° Angle.
    Image of Product. Sheathed Straight Standard Banana Plug. Front orientation. Test Leads. Sheathed Standard Banana Plug, Straight.

    Sheathed 90° Standard Banana

    Plug

    Sheathed Straight Standard

    Banana Plug

    Replace a test lead or complete a set with a red or black lead.
    The connection end is a 4 mm banana plug, which is the standard for connecting to a multimeter.
    Test End
    Connection End
    Connection
    End Shape
    AC Voltage,
    V AC
    DC Voltage,
    V DC
    Current,
    amp
    Electrical Safety
    Rating
    No. of
    Cords
    Cord
    Lg.
    AWG
    Test End Material
    Cord Insulation
    Material
    Choose a
    Color
    Each
    Retractable HookSheathed Standard Banana Plug90° Angle3003005CAT II, 300V148"18
    Gold-Plated CopperSilicone Rubber
    Black
    ,
    Red
    0000000000000
    Retractable HookSheathed Standard Banana PlugStraight3003005CAT II, 300V148"18
    Gold-Plated CopperSilicone Rubber
    Black
    ,
    Red
    000000000000
     

    Current-Sensing Test Leads

    Image of Product. Front orientation. Test Leads. Current-Sensing Test Leads, Current Loop.
    Image of Product. Front orientation. Test Leads. Current-Sensing Test Leads, Current Clamp.

    Current Loop

    Current Clamp

    Measure current without interrupting the circuit by connecting these test leads to a multimeter or current meter.
    The connection end is a 4 mm banana plug, which is the standard for connecting to a multimeter or current meter.
    These test leads step down the sensed current to a level that works with a multimeter or current meter—the signal reduction ratio is the factor by which they reduce current.
    Test End
    For Max.
    Cord Dia.
    Connection End
    AC Current,
    amp
    DC Current,
    amp
    Current
    Accuracy
    Voltage Output Signal
    Per Amp Supplied
    For Current Range
    AC Voltage,
    V AC
    Electrical Safety
    Rating
    Freq. Range,
    kHz
    Jaw
    Opening
    Loop
    Opening
    Cord
    Lg.
    Batteries
    Req.
    Batteries
    Included
    Each
    Measures AC Current
    Flexible Current LoopSheathed Standard Banana Plug5 to 3,0001%10.000 mV AC, 1.000 mV AC, 1.000 mV DC5 amp to 300 amp
    50 amp to 3,000 amp
    1,000CAT IV, 600V5 to 407.6"78"YesYes00000000000000
     
    Measures AC Current and DC Current
    Current Clamp1.22"Sheathed Standard Banana Plug0 to 1,0000 to 1,0001%1.000 mV AC, 1.000 mV DC0 amp to 200 amp
    0 amp to 1,000 amp
    300CAT III, 300V0 to 101.25"59"YesYes00000000000000
     

    Fluke Current-Sensing Test Leads

    Image of Product. Front orientation. Test Leads. Fluke Current-Sensing Test Leads, Current Clamp.

    Current Clamp

    Measure current without interrupting the circuit by connecting these test leads to a multimeter or current meter.
    The connection end is a 4 mm banana plug, which is the standard for connecting to a multimeter or current meter.
    These test leads step down the sensed current to a level that works with a multimeter or current meter—the signal reduction ratio is the factor by which they reduce current.
    Mfr. Model
    No.
    Test End
    For Max.
    Cord Dia.
    Connection End
    AC Current,
    amp
    Current
    Accuracy
    Current Output Signal per
    amp Supplied, mA
    For Current
    Range
    AC Voltage,
    V AC
    Electrical Safety
    Rating
    Freq. Range
    Jaw
    Opening
    For Fluke Model No.
    Cord
    Lg.
    Batteries
    Req.
    Each
    Measures AC Current
    i400Current Clamp1.25"Sheathed Standard Banana Plug1 to 4002%1.0001 amp to 400 amp1,000CAT IV, 600V5 Hz to 20 kHz1.25"27 II, 28 II, 77IV, 83V, 87V, 179, 287, 289, 787, 789, 1577, 158759"No00000000000000
     

    Test Leads with Reel

    Image of Product. Front orientation. Test Leads. Test Leads with Reel.
    Extend the distance between your multimeter and the equipment you’re testing.
    One end of the test leads is a 4 mm banana plug, which is the standard for connecting to a multimeter. The other end is a 4 mm banana jack that attaches to test leads that have a 4 mm banana plug.
    Cord
    Color
    Connection End
    Connection
    End Shape
    AC Voltage,
    V AC
    DC Voltage,
    V DC
    Current,
    amp
    Electrical Safety
    Rating
    AWG
    Cord Insulation
    Material
    Each
    40 ft. Long
    BlackSheathed Standard Banana Plug x Sheathed Standard Banana Jack90° Angle x Straight1,0001,00020CAT III, 1,000V18
    Silicone Rubber00000000000000
    RedSheathed Standard Banana Plug x Sheathed Standard Banana Jack90° Angle x Straight1,0001,00020CAT III, 1,000V18
    Silicone Rubber0000000000000
     

    BNC Test Cords

    Image of Product. Front orientation. BNC Test Cords. Style C.

    Style C

    Connect oscilloscopes and other bench-top testers.
    Hand-held voltage ratings are the maximum tested voltage for applications where you hold the cord in your hands while testing. The hands-free voltage ratings are the maximum voltage the cord is rated to withstand.
    Standard Banana Connection—Standard banana connection ends hook up to multimeters and other equipment with banana jacks.
    AC Voltage
    Rating, V AC
    DC Voltage
    Rating, V DC
    Style
    Connection End
    Hand
    Held
    Hands
    Free
    Hand
    Held
    Hands
    Free
    Color
    Choose a
    Length
    Each
    CBNC Plug × Two Sheathed Retractable Standard Banana Plugs3050060500Black
    36"
    ,
    60"
    0000000000000

    BNC Adapters

    Image of Product. Stackable Double Banana Plug × BNC Jack. Front orientation. BNC Adapters. Stackable Double Banana Plug, BNC Jack.
    Image of Product. Stackable Double Banana Plug × BNC Plug. Front orientation. BNC Adapters. Stackable Double Banana Plug, BNC Plug.
    Image of Product. Stackable Double Binding Post with Banana Jack × BNC Jack. Front orientation. BNC Adapters. Stackable Double Binding Post with Banana Jack, BNC Jack.

    Stackable Double

    Banana Plug × BNC

    Jack

    Stackable Double

    Banana Plug × BNC

    Plug

    Stackable Double

    Binding Post with

    Banana Jack × BNC Jack

    Image of Product. Stackable Double Binding Post with Banana Jack × BNC Plug. Front orientation. BNC Adapters. Stackable Double Binding Post with Banana Jack, BNC Plug.
    Image of Product. Double Banana Plug × Sheathed BNC Jack. Front orientation. BNC Adapters. Double Banana Plug, Sheathed BNC Jack.

    Stackable Double Binding

    Post with Banana Jack ×

    BNC Plug

    Double Banana Plug ×

    Sheathed BNC Jack

    By converting a BNC connector to a double banana connector, you can perform electrical tests with a multimeter or other test equipment that accepts banana connectors.
    Hand-held voltage ratings are the maximum tested voltage for applications where you hold a cord connected to the adapter in your hands while testing. Hands-free voltage ratings are the maximum voltage the adapter is rated to withstand.
    AC Voltage
    Rating, V AC
    DC Voltage
    Rating, V DC
    Test End Component
    Connection End
    Color
    Hand-Held
    Hands-Free
    Hand-Held
    Hands-Free
    Electrical Safety
    Rating
    Certification
    Lg.
    Test End Material
    Each
    Stackable Double Banana PlugBNC JackBlack30500605002"Nickel-Plated Brass0000000000000
    Stackable Double Banana PlugBNC PlugBlack30500605002"Nickel-Plated Brass000000000000
    Stackable Double Binding Post with Banana JackBNC JackBlack, Red30500605002 1/2"Nickel-Plated Brass000000000000
    Stackable Double Binding Post with Banana JackBNC PlugBlack, Red30500605002 1/2"Nickel-Plated Brass000000000000
    Double Banana PlugSheathed BNC JackBlack, Red600600600600CAT III, 600VUL Listed
    2 1/2"Nickel-Plated Brass000000000000
    back to top