🔌 Banana Plugs, Jacks & Binding Posts

Use banana plugs and jacks when the test setup needs repeatable plug-in connections instead of bare-wire contact. Standard banana plugs are commonly 4 mm, while mini versions are typically 2 mm or 3 mm for compact instruments.

• Binding posts accept bare wire, banana plugs, dual banana plugs, spade terminals, and pin connectors.
• Stackable banana plugs let you add another connection at the same point.
• Shrouded banana plugs add insulation for safer high-voltage test setups.
• Retractable styles expose the contact only when pushed into place.

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🧲 Clips & Insulators

Mueller clips are made for fast temporary contact when hands-free testing matters. They are commonly used on batteries, grounding points, test fixtures, telecom wiring, automotive analyzers, and lab equipment.

• Alligator clips are a general-purpose choice for electrical and lab testing.
• Plier clips are useful for battery chargers, jumper leads, and larger terminals.
• Spring clips handle repeated use where durability is important.
• Telecom clips can pierce insulation to contact wire without stripping it first.

View Mueller clip reference chart →

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📡 Coaxial Cable Assemblies

Choose Mueller coaxial cable assemblies when signal quality and quick instrument connection matter. RG-58C/U cable and BNC connectors are useful for oscilloscopes, voltmeters, network analyzers, and current-monitoring applications.

• BNC receptacles support quick connect and disconnect during testing.
• BNC breakout leads are commonly 4" long for short bench connections.
• Breakout options may include grabbers, banana plugs, or alligator clips.
• 20 AWG hookup wire with 105°C PVC insulation supports rugged test setups.

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📍 Grabbers, Probes & Spade Terminals

Use grabbers and probes when a clip is too large for the contact point. These parts help technicians reach crowded terminal blocks, circuit boards, small test pads, and instrument posts.

• Plunger clips provide insulated access to a single contact point.
• Many plunger clips are rated for 1000V and 10A or 15A.
• Test prods are available in insulated and non-insulated styles.
• Spade terminals work with 8-32 threaded posts and are commonly rated for 20A and 1000V.

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🧪 Test Leads & Patch Cords

Test leads connect equipment to meters, while patch cords connect two devices together. Mueller lead options help build a cleaner test bench, replace worn meter leads, and standardize common troubleshooting setups.

• Available lengths commonly range from 12" to 60".
• Wire sizes commonly range from 18 AWG to 22 AWG depending on lead type.
• Use shorter leads for bench testing and longer leads for panel or machine access.
• Match the connector end to the meter, test point, or fixture connection.

View test lead cross reference →

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📶 SMA Connectors

SMA connectors are a good fit when the test setup needs a compact threaded RF connection instead of a larger BNC-style interface. They are commonly used with antennas, wireless modules, RF test cables, signal routing, and compact measurement equipment.

• Use SMA when vibration resistance and a threaded connection are important.
• Choose SMA for compact RF layouts where space is limited.
• Match male, female, straight, right-angle, cable, and panel-mount styles to the equipment.
• Confirm impedance, cable type, and mating gender before ordering.

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Best Fit by Job

Test Lead Connection Flow

Build the connection from the meter outward. This prevents mismatched ends, undersized leads, and unsafe temporary hookups.