Test Leads

About Test Leads

Many different testing procedures rely on the use of high-quality test leads to be possible. Although a lot of pieces of test equipment do come as standard with test leads supplied, there are many times, when this isn't the case, or test leads, might lose their efficiency or become unsafe over some time, leading to a replacement being needed.

This category is packed full of test leads, test lead sets, and manufacturer-specific test leads. It also includes common accessories designed to complement the use of test leads, including testing probes, crocodile clips, and other similar devices.

Using the right test leads with the right tester is of the utmost importance. Carrying out testing with leads that aren't meant for the job is likely to yield incorrect results, and can also be incredibly unsafe. It is recommended that you discover the manufacturer's recommended test leads for that product before making a purchase and that the leads you buy are similar to these specifications.

Leads come in many different forms. Some are two-wire and used for various testing scenarios, while others might come with an integrated tip, while others come with tips that are designed to be swapped out. There are also some leads designed specifically for certain testers, and these feature unique connectors that won't fit into other manufacturers' equipment.

It's important to remember that even though many manufacturers make their equipment and recommend the leads for use with their own devices, there are also many times when leads might be applicable with another tester. If this is possible it's generally listed in the product description section of the lead in question.

Under this category you'll find:

A range of high-quality Crocodile Clips and Testing Probes designed for attachment directly onto test leads. Crocodile clips are available in various sizes and jaw widths, while testing probes also come in various sizes including thin testing probes, long-reach testing probes, and more.
Specifically designed Earth Test Leads made for use with earth testing devices. This section also contains accessories used for earth testing such as earth spikes and also contains earth test lead kits.
Massive range of test leads from multiple manufacturers. These include Fluke leads, Kewtech leads, Megger leads, and Metrel test leads.
Test leads designed for use with Multimeters. Suitable for voltage, current, capacitance, and other types of testing.
Extremely long-length R2 Wander Leads designed for carrying out testing procedures at a distance.
Comprehensive Test Lead Sets packed full of test leads, accessories such as probes/croc clips, and other essential devices.

If you have any questions about our range of test leads don't hesitate to get in touch.

Popular Products

Fluke TL175 Twist Guard Test Leads: Designed for safety and versatility, featuring an adjustable tip guard for extra protection in different testing environments. Made from double-insulated silicone, they offer durability and flexibility, with reinforced strain relief for added longevity.
Fluke TL81A Deluxe Electronic Test Lead Kit: A versatile set for electronic testing, including various leads, probes, clips, and adapters. It comes in a durable case for easy organization and transport. Made from high-quality materials for reliability and longevity, it's ideal for professionals seeking a complete testing solution.
Megger 1014-294 Test Lead Set: Designed for professional electrical testing. It includes various leads, probes, and clips made from flexible materials for long-lasting performance. Ideal for use with Megger instruments, it ensures accurate results.
Megger 1014-293 Standard Test Leads: Reliable performance for various electrical testing applications. Compatible with many Megger instruments, they ensure accurate measurements in demanding environments.
Kewtech JUMPLD1 Jump Leads: Designed for reliable electrical testing. With high-quality connectors for stable connections and insulation for safety, they suit both professional and DIY applications.
Kewtech ACC065 Non-Fused 3 Wire Multifunction Test Lead Set: Delivers reliable and accurate measurements with minimal resistance. Featuring durable, colour-coded leads compatible with various multifunction testers, it's ideal for professionals and DIY users.
Metrel TEK119 3 Wire Test Lead Set: Colour-coded, high-quality leads ideal for multifunction testers. Designed for secure connections and accurate measurements, it's suitable for both professionals and DIY users.
Metrel A1164 Test Lead: Ideal for extensive electrical testing. With its 50-metre length, it offers ample reach and is made from high-quality materials for lasting performance. Its black colour aids in organization, and it's compatible with various Metrel instruments, ensuring secure connections for accurate measurements.
TestSafe R2 Extension Wander Test Lead: Versatile tool for electrical testing over long distances. Its 30-metre length allows for flexible circuit testing, while its durable construction ensures reliable performance in demanding environments. The secure connectors provide stable, accurate readings essential for continuity and insulation resistance measurements.
Fluke AC220 SureGrip Alligator Clip Set: Provides a secure connection for electrical testing with its SureGrip technology, ensuring a firm and comfortable hold. Insulated for safety and capable of handling up to 10A, these clips are compatible with various Fluke test leads and are built for durability and long-lasting performance.
TPI A034 Small Fully Insulated Crocodile Clips: Ensure precision and safety in electrical testing. Their insulation protects against accidental contact, while their compact size allows access to tight spaces and delicate components. Made from high-quality materials, they offer durability and reliable performance.

FAQs

What are test leads used for?
Test leads connect instruments to devices for accurate voltage, current, and resistance measurements. They feature insulated wires and connectors (probes, alligator clips, banana plugs) for secure, reliable readings. Proper use ensures safety and precision in testing and maintenance.
What are the different types of test leads?
Test leads vary by type: Banana plugs connect to multimeters, alligator clips offer temporary attachments, crocodile clips provide robust connections, BNC leads are for high-frequency use, Kelvin clips ensure precise resistance measurements, patch cords connect components, spring probes contact small parts, and stacking leads allow multiple connections. Each type is tailored for accurate and reliable measurements.
What are the benefits of using high-quality test leads?
High-quality test leads improve accuracy, safety, and reliability. They are durable, with secure connectors and high voltage ratings (e.g., CAT III/IV). These leads reduce electrical noise and ensure precise measurements, making them essential for reliable testing.
Can you use test leads for high-voltage measurements?
Yes, test leads can be used for high-voltage measurements if they are rated for such applications, as CAT III or CAT IV. These leads are made from durable, insulated materials and feature robust connectors to ensure safety and accurate readings. Using leads not rated for high voltage can be dangerous and lead to inaccurate results or injury, so always verify their specifications and ratings.
What is the difference between insulated and non-insulated test leads?
Insulated test leads are protected to prevent shock and interference, suitable for high-voltage applications. Non-insulated leads are for low-voltage use in controlled settings but need careful handling to avoid damage and inaccuracies.
What are the safety considerations when using test leads?
For safe use of test leads, inspect them for wear and replace if damaged. Use leads rated for your voltage and current levels (e.g., CAT III, CAT IV). Follow manufacturer guidelines, avoid wet conditions, connect leads to instruments first, and wear appropriate PPE. Adhering to these practices ensures accurate and safe testing.
What materials are test leads made from?
Test leads combine conductive materials like copper with insulating layers such as PVC or silicone for safety and functionality. Copper ensures accurate measurements, while PVC is durable and cost-effective, and silicone offers flexibility and heat resistance. Connectors, often nickel or gold-plated brass, ensure secure connections, protecting users from electrical hazards.
How do I maintain and store test leads?
To maintain test leads, inspect them regularly for wear and replace if needed. Clean with a soft, damp cloth and avoid harsh chemicals. Store leads in a cool, dry place, away from sunlight and extreme temperatures. Avoid tight coiling; instead, loosely loop and secure them. Use a storage case to protect from damage and tangling. These practices ensure longevity and reliable performance.
How do you choose the right test leads for your multimeter?
Choose test leads with suitable safety ratings (e.g., CAT III/IV) for your voltage and current levels. Ensure connectors match your multimeter and prefer silicone insulation for durability. Look for features like shrouded plugs and reinforced strain relief. Select a length that meets your needs without being cumbersome.