Plunger Test Leads
A pioneer and leader in the manufacture of
alligator clips, test
leads, and banana plugs.
While the founder of Mueller Electric Company invented alligator
clips, the company has since expanded its product lines into electric
test clips, test leads, test accessories, and board to board connectors,
sold to qualifying manufacturers and through leading authorized distributors.
View our test lead selection and check for available inventory today!
Micro-Plunger Clip on Both Ends

Model # BU-1010-A-**-*
- Material: Hook-up Wire: #20 (41/36) AWG tinned copper with 105.C PVC insulation; Plunger: nylon housing, stainless steel spring, beryllium copper contact
- **Length: -12" (.3m), 24" (.6m), 36" (.9m), 48" (1.2m), 60" (1.5m)
- *Std. Colors: -0 Black, -2 Red
- Rating: Hands free testing at 300V Category II, 5 Amps
Mini-Plunger Clip on Both Ends

Model # BU-1111-A-**-*
- Material: Hook-up Wire: #20 (41/36) AWG tinned copper with 105.C PVC insulation; Plunger: nylon housing, stainless steel spring, beryllium copper contact
- **Length: -12" (.3m), 24" (.6m), 36" (.9m), 48" (1.2m), 60" (1.5m)
- *Std. Colors: -0 Black, -2 Red
- Rating: Hands free testing at 300V Category II, 5 Amps
Mini-Plunger to Stackable Banana Plug

Model # BU-1120-A-**-*
- Material: Banana Plug: ABS housing, brass body and beryllium copper, nickel-plated, nine-leaf cage spring; Hook-up Wire: #20 (41/36) AWG tinned copper with 105.C PVC insulation; Plunger: nylon housing, stainless steel spring and beryllium copper contact
- **Length: -12" (.3m), 24" (.6m), 36" (.9m), 48" (1.2m), 60" (1.5m)
- *Std. Colors: -0 Black, -2 Red
- Rating: Hands free testing at 300V, 5 Amps
Mini-Plunger to BNC Male with RG58

Model # BU-1150-C-**-0
- Material: BNC Connector: MIL-C-30912, gold-plated center contact and silver-plated body; Coaxial Cable: shielded RG58C/U, MIL-C-17F, 50 ohm; Plunger: nylon housing, stainless steel spring and beryllium copper contact
- **Length: -12" (.3m), 24" (.6m), 36" (.9m), 48" (1.2m), 60" (1.5m)
- Rating: Hands free testing at 300 VRMS
Mini-Micro-Plunger to Stackable Banana Plug

Model # BU-1420-A-**-*
- Material: Banana Plug: ABS housing, brass body and beryllium copper, nickel-plated, nine-leaf cage spring; Hook-up Wire: #20 (41/36) AWG tinned copper with 105.C PVC insulation; Plunger: nylon housing, stainless steel spring and gold-plated, beryllium copper contact
- **Length: -12" (.3m), 24" (.6m), 36" (.9m), 48" (1.2m), 60" (1.5m)
- *Std. Colors: -0 Black, -2 Red
- Rating: Hands free testing at 300V, 5 Amps

