Test Leads & Probes Distributor South Africa - Local Stock for Makers & Engineers

Reliable test leads and probes when your project can’t wait

When you need accurate measurements, poor-quality leads cost time and trust. Communica supplies a broad selection of multimeter leads, banana patch cords, oscilloscope probes, current clamps and probe accessories stocked locally in Samrand, Pretoria and Cape Town so you can get back to building, testing and teaching - fast. Shop Now to check availability and reserve pickup.

Why buy locally from Communica

• Immediate availability for many items with branch collection from Samrand, Pretoria (CBD) or Cape Town - Check Stock in Samrand for same-day pickup.
• VAT invoices and account quoting for education departments, labs and procurement teams - Request a Quote for bulk orders or project kits.
• Technical selection help from staff experienced with maker, tertiary and industrial use cases; we can advise on probe attenuation, lead length and connector types.

Common categories and when to use them

Knowing which lead or probe to choose saves troubleshooting time. Typical choices stocked include:

• Multimeter leads (2 mm/4 mm shrouded banana) for DC voltage, continuity and low-current measurements.
• Oscilloscope probes (1x, 10x passive probes and active probes) for waveform integrity and bandwidth-sensitive signals.
• Current probes and clamp meters for non-intrusive AC/DC current measurement.
• Banana patch cords and jumper leads for prototyping and bench setups.

Specification callouts to watch

Focus on these specs when comparing parts:

If you need a guided comparison, Compare Specs across common probes and leads to match your instrument’s input and the signals you measure.

For a quick overview of the brands and categories we stock, visit our Collections and explore by type. For wider browsing across everything we carry, try All Products.

How to choose the right test lead or probe

Match the accessory to the job: use higher-voltage rated leads for power electronics, higher-bandwidth probes for fast digital signals, and current clamps when you must avoid breaking the circuit. If you’re unsure, our branches can help - check branch locations and hours to collect or get advice from staff in person.

Quick selection checklist

• Confirm connector compatibility (BNC vs. probe tip, banana size).
• Match voltage/current ratings to your application, leaving margin for safety.
• For oscilloscope work, choose probe attenuation (1x or 10x) based on source impedance and bandwidth needs.
• Consider lead length and flexibility for bench ergonomics and signal integrity.

Simple calculations and wiring notes

Ohm’s law and power calculations are useful when checking lead heating and resistor selection:

V = I × R
P = V × I

Example: a lead carrying 2 A at 1.5 V drop dissipates P = 2 × 1.5 = 3 W. Choose a lead and connector rated above that continuous dissipation and check insulation voltage rating.

Troubleshooting common issues

If measurements look noisy or attenuated, check probe compensation, lead connections and whether a 10x probe is required for bandwidth. Loose banana plugs or oxidised connectors cause intermittent readings - clean and reseat connectors or swap leads for diagnosis.

Need parts for a lab or classroom? We support education accounts with bulk order quoting and VAT invoicing - visit our About Us page to learn about our history serving students and makers, and explore brands on our Shop by Brand page.

Local considerations and delivery

Stock levels can vary by branch; popular brands and items are often available at our Samrand warehouse for fast collection. For remote locations we ship nationwide - if lead times matter for a project or procurement cycle, Request a Quote and our team will confirm availability and timelines.

We stock parts from global and maker-friendly brands suited to South African hobbyists, students and technicians. If you need help narrowing options, Compare Specs with our team or Check Stock in Samrand to reserve items for pickup.

Communica is focused on practical, local support: detailed spec guidance, VAT invoicing for institutions, and multiple branch pickup points to reduce delays. For immediate needs, Shop Now or contact the nearest branch listed on our Branches & Trading Hours page. We’ll help you match the right leads, probes and accessories so your measurements are accurate and repeatable.