# Voltcraft BNC to 4 mm Banana Plug Test Lead, 0.8 m, Black and Red

**URL:** https://aio.lv/en/product--voltcraft-kc300b--3224412
**Data updated:** 2026-05-18 02:54 (EEST)
**Category:** Electronics Accessories
**Manufacturer:** Voltcraft
**Manufacturer code:** KC300B
**EAN:** 4016138523515
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 28.99 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 23.96 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--voltcraft-kc300b--3224412

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

This Voltcraft BNC to 4 mm banana plug test lead is designed for reliable signal transmission in laboratory and electronic testing environments. With a length of 0.8 meters, it features a BNC connector on one end and two 4 mm banana plugs on the other. The cable is color-coded in black and red for easy identification, ensuring precise connections for oscilloscopes, signal generators, and other measurement equipment.

## Long description

The Voltcraft BNC to 4 mm banana plug test lead is a high-quality connection solution engineered for precise signal transmission in professional laboratory and electronic testing environments. Measuring 0.8 meters in length, this cable provides the necessary reach for connecting various measurement instruments while maintaining signal integrity. It features a standard BNC connector on one end and two 4 mm banana plugs on the other, allowing for versatile integration with a wide range of test equipment.
Advantages
This test lead offers exceptional reliability and ease of use due to its clear color-coding system. The black and red insulation on the banana plugs allows for quick and accurate polarity identification, which is essential for preventing connection errors during complex testing procedures. The robust construction ensures durability and consistent performance, making it a dependable tool for daily use in educational, industrial, or hobbyist electronics workshops.
Suitable for
Connecting oscilloscopes to test circuits
Linking signal generators to breadboards or test setups
General laboratory measurement tasks
Prototyping and electronic circuit troubleshooting
When it may not be suitable
This cable is not intended for high-voltage power applications or industrial electrical installations where specific safety ratings for mains voltage are required. It is strictly designed for low-voltage signal transmission and measurement purposes.
Key specifications
Cable length: 0.8 meters
Connector type A: BNC plug
Connector type B: 2 x 4 mm banana plugs
Color coding: Black and Red
How to use
To use the test lead, connect the BNC end to the input or output port of your measurement device, such as an oscilloscope or signal generator. Ensure the connector is fully seated and locked by turning it clockwise. Connect the 4 mm banana plugs to your target circuit or component, matching the red plug to the positive terminal and the black plug to the ground or negative terminal. Always ensure the equipment is powered off before making connections to avoid short circuits.
What to consider before purchase
Verify that your measurement device supports BNC connections
Check if the 0.8-meter length is sufficient for your workspace layout
Ensure the 4 mm banana plugs are compatible with your existing test points or terminals
Usage recommendations
Always inspect the cable for signs of wear or damage before each use to ensure accurate readings and safe operation. Store the cable in a cool, dry place to maintain the flexibility and integrity of the insulation.

## FAQ

### How much does the Voltcraft BNC to 4 mm Banana Plug Test Lead KC300B cost, and is it available for purchase?

The price is 28.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 02.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Voltcraft products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Voltcraft service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/3224412/51312558_large.webp