Custom Test Clips &
Test Lead Assemblies
Direct from Taiwan. We engineer high-precision Bed of Nails clips, heavy-duty Battery Clips, and fully insulated Test Leads. 100% compatible replacements for Mueller Electric parts at factory-direct pricing.
Product Categories
Custom Test Lead Assemblies
We provide turnkey OEM cable assembly services, producing custom banana plug patch cords, BNC test leads, and wire harnesses. Our facility handles automated wire processing and soldering to deliver ready-to-sell test lead assemblies matching your blueprints.
Bed of Nails Test Clips
Manufacturer of specialized bed of nails clips featuring angled needle clusters for telecom insulation piercing. Designed to bite through wire jackets without stripping, these rugged clips are essential for field technicians and line testing equipment.
Standard Alligator Clips
We produce standard Mueller-compatible alligator clips in nickel-plated steel and solid copper options. Universal design for multimeter test leads, educational physics labs, and general circuit jumper wires.
Industrial/ Battery Clips
Engineered for high-amperage environments, our heavy-duty battery clips (50A–500A) feature reinforced springs and copper jaws. Essential for automotive jumper cables, battery charging stations, and industrial grounding safety equipment.
Clip Insulators & Boots
Protect your connections with our durable flexible PVC insulators and high-temperature silicone boots. Available in standard safety colors or custom molded with your brand logo, offering superior dielectric strength for industrial test probes.
Looking for Mueller
Electric Compatible
Clips?
| TYPE | MUELLER P/N | OUR EQUIVALENT | COMPATIBILITY |
|---|---|---|---|
| Standard Alligator | BU-60 | TW-71 | 100% Fit |
| Insulated Test Clip | BU-651-0 | TW-762-1 | 100% Fit |
| Bed of Nails Clip | JP-25182 | TW-36293 | 100% Fit |
| Battery Clip | BU-46C | TW-57R | 100% Fit |
| Heavy-Duty Clip | BU-11CPN | TW-22RQU | 100% Fit |
| Insulator/ Boot | BU-70 Insulator | TW-81 Insulator | 100% Fit |
Material Selection Guide
Clip Material & Plating
Zinc-Plated:The industry standard for cost-effective, durable general-purpose clips.
Stainless Steel:Best for marine or medical applications requiring superior corrosion resistance and non-magnetic properties.
Essential for high-amperage battery testing (50A - 500A) and low-resistance measurements. Provides maximum conductivity but is softer than steel options.
Gold-Plated: Prevents oxidation for precision signal transmission.
Nickel Silver: Excellent spring properties and corrosion resistance, widely used in telecommunication test sets.
Wire & Insulator Specs
We stock a wide range of UL certified AWG wires. PVC is standard for test leads, while Nylon offers enhanced abrasion resistance for industrial machinery environments.
The superior choice for retractile coil cords and harsh automation settings. PUR offers exceptional resistance to oils, chemicals, and mechanical wear.
PVC: Durable and economical for standard boots.
Silicone: High flexibility and heat resistance (-60°C to +180°C). Resistant to melting from soldering irons; preferred for lab benches.
Custom Test Lead Assemblies
Stop assembling in-house. We provide turnkey custom cable assembly services optimized for cost and reliability. Whether you need a simple alligator clip patch cord, a heavy-duty battery jumper, or a specialized bed-of-nails test set, our Taiwan facility handles everything from wire cutting and stripping to precision soldering and overmolding.
Cut-to-Length & Processing
Automated cutting, stripping, and crimping for consistent quality. Custom lengths from 10cm to 100m.
Custom Branding & Molding
Add your logo to insulator boots. Custom heat-shrink markers and private label packaging available.
100% QC Testing
Every lead undergoes continuity, tensile strength (pull-force), and Hi-Pot testing before shipping.
PVC
Cost-effective, UL1007/1015
Silicone
High-Flex, High-Temp (200°C
Double Insulated
For CAT III / CAT IV Leads
AWG Range
10 AWG to 28 AWG
Frequently Asked Questions
Common questions from procurement and engineering teams.
Do you offer "Build-to-Print" custom cable assembly services?
Yes. We are a full-service OEM manufacturer. Send us your technical drawings (PDF, CAD, or Gerber files) or a physical sample, and we can replicate or engineer a custom test lead solution. We handle wire cutting, stripping, crimping, soldering, and overmolding in-house at our Taiwan facility.
Can you customize the wire gauge, length, and insulation material?
Absolutely. We stock a wide variety of UL-certified wires ranging from 12 AWG to 28 AWG. You can specify the exact length (e.g., 50cm, 1m, 2m) and choose insulation materials including standard PVC, high-flexibility Silicone (200°C), or double-insulated wire for CAT III/IV safety ratings.
Can you create custom molds for specific clip shapes or boots?
Yes. Our tooling department can design and fabricate custom injection molds for insulator boots or connector housings to meet specific ergonomic or aesthetic requirements. Tooling costs are competitive, and lead times for new molds are typically 3–4 weeks.
What plating options do you offer for alligator clips and banana plugs?
We offer three primary plating tiers based on your application:
- Nickel-Plated Steel: The industry standard for durability and cost-efficiency.
- Solid Copper: For high-current (50A+) and low-resistance applications.
- Gold-Plated Brass: For precision instrumentation requiring superior oxidation resistance and minimal signal loss.
Are your clips compatible with Mueller Electric part numbers?
Yes. We manufacture 100% compatible drop-in replacements for most standard Mueller Electric clips (e.g., BU-60, BU-21, BU-27, BU-65) and insulators. Our parts match the dimensional specifications and material quality, offering a significant BOM cost reduction for OEMs.
How do I verify if your part is an equivalent replacement?
You can view our Cross-Reference Guide on this page, or simply email us the competitor's part number you are currently using. We will provide our equivalent datasheets and can ship free samples for your engineering team to perform a fit-and-function validation.
What is the Country of Origin (COO) for your products?
All our products are manufactured in Taiwan. This ensures high quality control standards and avoids Section 301 tariffs often associated with mainland China origin goods (for US customers).
Are your products RoHS and REACH compliant?
Yes. We are committed to environmental responsibility. All our metal clips, plastic insulators, and wire jackets are compliant with RoHS and REACH regulations. We can provide full material declarations documentation upon request.