# ELKO-BIS 90400107 4-Hole Test Connector for Lightning Protection Systems

**URL:** https://aio.lv/en/product--elko-bis-90400107--12469668
**Data updated:** 2026-05-18 09:34 (EEST)
**Category:** Home & DIY Accessories
**Manufacturer:** ELKO-BIS
**Manufacturer code:** 90400107
**EAN:** 5907676739836
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 19.99 €
**Prices and availability valid until:** 2026-08-07 23:59
**Price without VAT (21%):** 16.52 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--elko-bis-90400107--12469668

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 27.07.2026 | free |
| Pickup points | 30.07.2026 | 1.89 EUR |
| Courier delivery to door | 30.07.2026 | 4.99 EUR |

## Summary description

The ELKO-BIS 90400107 is a high-quality 4-hole test connector designed for professional lightning protection and grounding systems. This component allows for easy disconnection and measurement of grounding resistance, ensuring reliable maintenance and safety. Constructed for durability and optimal electrical conductivity, it is an essential element for secure installation in various industrial and residential grounding applications.

## Long description

The ELKO-BIS 4-Hole Test Connector is a professional-grade component engineered for lightning protection and grounding systems. It serves as a critical junction point that facilitates the periodic inspection and measurement of grounding resistance. By allowing for the easy disconnection of the grounding conductor, this connector ensures that maintenance teams can perform essential safety checks without compromising the integrity of the entire system. Its robust design is focused on maintaining optimal electrical conductivity and long-term durability in various environmental conditions.
Advantages
This test connector offers superior mechanical strength and excellent electrical performance, making it a reliable choice for demanding lightning protection installations. The four-hole configuration provides a secure and stable connection, ensuring that the grounding system remains intact while allowing for quick access during routine testing. Its high-quality construction materials are resistant to corrosion, which is vital for components exposed to outdoor elements, thereby extending the service life of the entire grounding network.
Suitable for
Professional lightning protection systems
Grounding installations in residential buildings
Industrial grounding and earthing networks
Periodic electrical resistance measurements
This connector may not be suitable for applications requiring specialized quick-release mechanisms or for environments where extreme chemical exposure exceeds the material's corrosion resistance specifications. It is also not intended for use in high-voltage power transmission lines outside of standard grounding and lightning protection protocols.
Key specifications
Design: 4-hole configuration
Function: Disconnection and measurement of grounding resistance
Application: Lightning protection and grounding systems
Material: Corrosion-resistant metal alloy
To use the test connector, integrate it into the grounding conductor path at an accessible location, typically near the ground level. Ensure that all bolts are tightened to the specified torque to maintain low electrical resistance. During maintenance, loosen the connection to isolate the grounding electrode, perform the necessary resistance measurements using calibrated testing equipment, and securely reconnect the conductor once the inspection is complete.
What to consider before purchase
Compatibility with existing conductor dimensions
Local electrical safety regulations and standards
Environmental conditions at the installation site
Accessibility for future maintenance and testing
For optimal system performance, ensure that the connection points are kept clean and free of oxidation. Regular inspections should be conducted in accordance with local safety standards to verify the integrity of the lightning protection system.

## FAQ

### How much does the ELKO-BIS 90400107 4-Hole Test Connector cost, and is it available for purchase?

The price is 19.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 28 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 27.07.2026 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 ELKO-BIS 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 ELKO-BIS 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/12469668/68772457_large.webp