Mueller Electric Company Datasheets for Electrical Test Probes

Electric test probes are used to establish a connection between a circuit under test and the measuring instrument.
Electrical Test Probes: Learn more

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Product Name Notes
Alligator Test Lead set. Mini size alligator clips and Insulators. Contains (2) each of Red, Black, Yellow, Green & White 18″ long, 22 AWG wire with 105°C PVC insulation. 300V...
Alligator Test Lead set. Standard size alligator clips and Insulators. Contains (1) each of Red, Black, Yellow, Green & White 12″ long, 22 AWG wire with 105°C PVC insulation. 300V...
Alligator Test Lead set. Standard size alligator clips and Insulators. Contains (2) each of Red, Black, Yellow, Green & White 18″ long, 22 AWG wire with 105°C PVC insulation. 300V...
Automotive Clip, Solid Copper, 75 Amps, 3″ Length, 3/4″ Jaw Opening, Uses BU-26-* Insulator
Automotive Clip, Zinc Plated Steel, 40 Amps, 3″ Length, 3/4″ Jaw Opening, UsesBU-26-* Insulator
BU-63 Fully insulated alligator clips in Red and Black
Compact Battery Clip, Nickel Plated Solid Copper, 20 Amps, 2.3″ Length, 3/4″ Jaw Opening, PVC Insulators, The “@” in the Model # indicates insulator color. Available colors are: -0 Black,...
Compact Battery Clip, Nickel Plated Steel, 15 Amps, 2.3″ Length, 3/4″ Jaw Opening, PVC Insulators. The “@” in the Model # indicates insulator color. Available colors are: -0 Black, -2...
Coolflex45, Stackable, Retractable Banana Plug Test Lead, 10 AWG, 45 Amps, 600 Volts, 36″ Long, Black
Coolflex45, Stackable, Retractable Banana Plug Test Lead, 10 AWG, 45 Amps, 600 Volts, 5 Ft. Long, Black
Economy Miniature Battery Clip, 3.0″ (76mm) long, Jaw Opens .5″ (13mm), 40 Amps. The “@” in the Model # indicates color. Available colors are: -0 Black, -2 Red
Extra Large Welding Clip. Zinc plated steel, 9.3″ long. Clamping force at half jaw opening is 50 lbs. 500 Amps
Fused Test Lead with fully shrouded,stackable banana plugs. 18 AWG silicone test lead wire. 20 Amp fuse
General Purpose Clip, Solid Copper 40 Amps, 2.4″ Length, 5/8″ Jaw Opening, Uses BU-29-* or BU-90-* Insulator.
General Purpose Clip, Zinc Plated Steel, 20 Amps, 2.4″ Length, 5/8″ Jaw Opening, Uses BU-29-* or BU-90-* Insulator
General Purpose Steel Clips & Insulators, 20 Amps
Geophone Clip, Solid Copper 40 Amps, 2.4″ Length, 5/8″ Jaw Opening. Also useful for clipping cylindrical objects. Uses BU-29-* or BU-90-* Insulator
Geophone Clip, Solid Copper 40 Amps, 2.4″ Length, 5/8″ Jaw Opening. Also useful for clipping onto cylindrical objects. Uses BU-29-* or BU-90-* Insulator
Heavy Duty Insulated Battery Clip, High Impact Glass-Filled Nylon, 300 Amps, 6.5″ Length, 1-3/8″ Jaw Opening. The “@” in the Model # indicates color. Available colors are: -0 Black, -2...
Heavy Duty Insulated Welding Clip, High Impact Glass-Filled Nylon, 400 Amps, 6.5″ Length, 1-3/8″ Jaw Opening. The “@” in the Model # indicates insulator color. Available colors are: -0 Black,...
Heavy Duty Parrot Clip, Zinc Plated Steel, Polyethylene Dipped handles, 300 Amps, 6″ overall length, 1.9″ Jaw Opening, Wire connection by solder or user supplied hardware. Four .2″ holes in...
Heavy Duty Solid Copper Clip, 100 Amps, 4.3″ Length, 1-1/16″ Jaw Opening, Marked with a “+”, Uses BU-23-* Insulator
Heavy Duty Solid Copper Clip, 100 Amps, 4.3″ Length, 1-1/16″ Jaw Opening, UsesBU-23-* Insulator
Heavy Duty Solid Copper Clip, 200 Amps, 6″ Length, 1-5/8″ Jaw Opening, Marked with a “+”, Uses BU-13-* Insulator
Heavy Duty Solid Copper Clip, 200 Amps, 6″ Length, 1-5/8″ Jaw Opening, UsesBU-13-* Insulator
Heavy Duty Zinc Plated Steel Clip, 100 Amps, 6″ Length, 1-5/8″ Jaw Opening, Marked with a “+” Uses BU-13-* Insulator
Heavy Duty Zinc Plated Steel Clip, 100 Amps, 6″ Length, 1-5/8″ Jaw Opening, Uses BU-13-* Insulator
Heavy Duty Zinc Plated Steel Clip, 25 Amps, 2.8″ Length, 3/4″ Jaw Opening, Marked “+”, Uses BU-26-* Insulator
Heavy Duty Zinc Plated Steel Clip, 25 Amps, 2.8″ Length, 3/4″ Jaw Opening, Uses BU-26-* Insulator
heavy Duty Zinc Plated Steel Clip, 50 Amps, 4.1″ Length, 1-1/16″ Jaw Opening, Marked with a “+”, Uses BU-23-* Insulator
heavy Duty Zinc Plated Steel Clip, 50 Amps, 4.1″ Length, 1-1/16″ Jaw Opening, Uses BU-23-* Insulator
Insulated Kelvin Battery Clip, Jaws formed for easy connection to battery posts. 4.1″ (104mm) long, Jaw Opens 1.25″ (32mm), 50 Amps. The “@” in the Model # indicates color. Replace...
Insulated Long Reach Plunger Grabber. Connects to any shrouded, unshrouded or retractable 4mm Banana plug. 10 Amps, 1000 V. Cat III
Insulated Miniature Auxiliary Clip, Has Built in .25″ x .032″ male quick connect terminal for wire mounting. 3.15″ (80mm) long, 30 Amps. The “@” in the Model # indicates color.
INSULATED PLUNGER,BLACK,BULKMI NIGRIP XB-100 BLACK
INSULATED PLUNGER,BLACK,BULKMI NIGRIP XB-50 BLACK
INSULATED PLUNGER,BLK,BULKMINI GRIP XC BLACK
Kelvinized, Insulated Battery Clip, High Impact Glass-Filled Nylon, 300 Amps, 6.5″ Length, 1-3/8″ Jaw Opening. The “@” in the Model # indicates insulator color. Available colors are: -0 Black, -2...
Large Battery Clip, Copper Plated Steel, 200 Amps, 6″ Length, 1-5/8″ Jaw Opening, Uses BU-43PR-* Insulators
Large Battery Clip, Copper Plated Steel, 200 Amps, 6″ Length, 1-5/8″ Jaw Opening, With PVC Insulators Installed. The “@” in the Model # indicates insulator color. Available colors are: -0...
Large Battery Clip, Solid Copper, 400 Amps, 6″ Length, 1-5/8″ Jaw Opening, Uses BU-43PR-* Insulators
Large Welding Clip. Zinc plated steel, 7.8″ long. Clamping force at half jaw opening is 35 lbs. 400 Amps
Long size 3.5″ [89mm] long Plunger Clip, 10 Amps, Solder Connection
Male BNC to Standard Plunger Clips. RG58 Coax overmolded onto 20 AWG wires 12″
Micro Alligator Clip with Smooth Jaw, Nickel Plated Steel, 5 Amps, 1.1″ Length, 7/32″ Jaw Opening, Uses BU-36-* Insulator
Micro Alligator Clip with Smooth Jaw, Solid Copper, 5 Amps, 1.1″ Length, 7/32″ Jaw Opening, Uses BU-36-* Insulator
Micro Alligator Clip with Smooth Jaw, Stainless Steel, 5 Amps, 1.1″ Length, 7/32″ Jaw Opening.
Micro-Gater Copper Clips and Insulators, 5 Amps
Micro-Gator Steel Clips and Insulators, 5 Amps
Mini Alligator Clip with 6-32 Threaded Barrel, Nickel Plated Steel, 5 Amps, 1.5″ Length, 3/16″ Jaw Opening, Uses BU-31-* Insulator
Mini Alligator Clip with Barrel, Nickel Plated Steel, 5 Amps, 1.25″ Length, 3/16″ Jaw Opening, Uses BU-31-* Insulator.
Mini Alligator Clip, 304 Stainless Steel, 5 Amps, 1.1″ Length, 3/16″ Jaw Opening, Uses BU-32-* Insulator.
Mini Alligator Clip, Nickel Plated Steel, 5 Amps, 1.1″ Length, 3/16″ Jaw Opening, Uses BU-32-* Insulator.
Mini Alligator Clip, Solid Copper, 5 Amps, 1.1″ Length, 3/16″ Jaw Opening, Uses BU-32-* Insulator
Mini-Gater Copper Clips and Insulators, 5 Amps
Mini-Gater Steel Clips and Insulators, 5 Amps
Nylon housing over Nickel Plated Steel, 10 Amps, 1.6″ Length, 7/32″ Jaw Opening, Red, Has built-in Pin Tip Jack. Compatible with all .080″ probe tips and 2 mm mini-banana plugs.
Nylon housing over Nickel Plated Steel, 10 Amps, 1.9″ Length, 7/16″ Jaw Opening, Black, Has built-in 4mm Banana Jack. The “@” in the Model # indicates color. Replace with (-0)...
Plunger Clip, 8-32 Threaded connection mounts to standard threaded test probe. 1000 Volts Cat II, 15 Amps.
Small size 1.75″ [44mm] long Plunger Clip, 10 Amps, Solder Connection
Spring loaded Plunger has hook that extends .41″. Banana Jack will accept all shrouded, unshrouded, and retractable 4mm banana plugs. Overall length is 4.6″
Standard Size 2.5″ [64mm] long Plunger Clip, 10 Amps, Solder Connection
Test Lead with Alligator clips (BU-60 & BU-62-0) on each end, 20 AWG wire, Hands free testing to 300 V, 10 Amps
Test Lead with Mini-Alligator clips (BU-30BL & BU-31-0) on each end, 20 AWG wire, Hands free testing to 300 V, 5 Amps
Test Lead, 90 degree banana to 8-32 threaded test Probe. 39″ of 18 AWG Silicone wire, 1000 Volts, 20 Amps, UL Listed
Test Lead, Double Banana to Micro Plunger 12″ Long RG 58 Coax is overmolded to 20 AWG wires
Test Lead, Small Plungers on 20 AWG PVC wire. 12″ Long, Black
Test Lead, Standard Plungers on 20 AWG PVC wire. 12″ Long, Black
Test Probe with 4mm un-shrouded banana plug behind tip. 1000 V Cat III
TEST PROD, 8-32 THD, BLACK,BLK
TEST PROD,BLACK,BULK
The BU-103X is Mueller’s Mini-Crocodile Clip. The upper jaws of a crocodile clip nest inside of the lower jaws. This allows excellent connection with very small wires.
The BU-113XPN LARGE clip was designed as a holder for painting and plating applications. It has a light force spring to prevent damage. 2.2″ Length and .4″ Width.
The BU-118 clip was designed as a holder for painting and plating applications. It has smooth jaws to prevent damage and is made from Stainless Steel for easy cleaning. 2.3″
The BU-21M series was designed to thrive in coastal/marine environments. The solid copper and stainless steel construction provide excellent corrosion resistance while the copper lug enables easy solder connection. 100...
The BU-21X comes in two different versions. The BU-21XPN has no markings while the BU-21XPS has a “+” symbol stamped through it. These clips are typically used in Automotive/Battery or...
The BU-21X comes in two different versions. The BU-21XPN has no markings while the BU-21XPS has a “+” symbol stamped through it. These clips are typically used in Automotive/Battery or...
The BU-27M Clip was designed to thrive in coastal/marine environments. The solid copper, brass and stainless steel construction provide excellent corrosion resistance. 40 Amps, 2.4″ Length, 5/8″ Jaw Opening, Uses...
The BU-27X is the stainless steel version of Mueller’s general purpose clip.
The Micro-Alligator BU-34M Clip was designed to thrive in coastal/marine environments. The solid copper and stainless steel construction provide excellent corrosion resistance. 5 Amps, 1.1″ Length, 7/32″ Jaw Opening, Uses...
TL STACKING BANANA PLUGS,18AWG10″, BLACK
TL,CLIP,20AWG,24″,BL K
TL,PLUNGER,20AWG,24″ ,BLK
TL,PROD,18AWG,48″,BL ACK,BULK
TL,PROD,18AWG,BLACK, BULK
TL,PROD,BLACK,BULKPP -130 BLACK
UL® Listed Extended Plunger Clip, 8-32 Threaded connection mounts to standard threaded test probe Like Mueller’s BU-4062-M-39-0. 1000 Volts, 15 Amps.
Welding Clip, “Big Brute” Solid Copper, 300 Amps, 7.75″ Length, 1-13/16″ Jaw Opening, Uses BU-35-* Insulator

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