Malibu Knecht™ IC-1 One-Port In-Line Splice Insulated Connector for #4, #2, 1/0, 2/0, 3/0, 250 MCM, 350 MCM,500 MCM, 600 MCM & 750 MCM
- Construction: 6061-T6 Aluminum
- Insulation: Rugged high-dielectric plastisol dipped coating
- Oxide Inhibitor: Pre-filled for enhanced protection
Features:
- Easy re-entry for changes, inspection, or troubleshooting
- Connector markings for maximum and minimum wire sizes
- Dual-rated for copper and aluminum wire (CU9AL)
- Temperature Range: -49°F to 194°F (-45°C to 90°C)
Specifications:
- Voltage Rating: 600 volts
- Rated for use with 90°C cables
- Standards: ANSI C119.4, UL Certified
DOWNLOAD: Specification Sheet
Sizes & Wire Ranges:
- #4-14 AWG: Supports wire sizes from #4 to #14 AWG.
- #2-14 AWG: Compatible with wire sizes ranging from #2 to #14 AWG.
- 1/0-14 AWG: Fits wires sized 1/0 to #14 AWG.
- 2/0-6 AWG: Suitable for wire sizes between 2/0 and #6 AWG.
- 3/0-6 AWG: Designed for wire sizes from 3/0 to #6 AWG.
- 250 MCM-6 AWG: Handles wire sizes from 250 MCM to #6 AWG.
- 350 MCM-6 AWG: Handles wire sizes from 350 MCM to #6 AWG.
- 500 MCM-4 AWG: Accommodates wire sizes ranging from 500 MCM to #4 AWG.
- 600 MCM-4 AWG: Accommodates wire sizes ranging from 600 MCM to #4 AWG.
- 750 MCM-1/0 AWG: Accommodates wire sizes ranging from 750 MCM to 1/0 AWG.
Application:
- Versatile solution for various wire sizes and applications
Benefits:
- Durable construction for a secure and reliable connection
- High-quality insulation for longevity and protection
- Easy identification and adjustment with wire size markings
- Wide temperature range for diverse environmental conditions
- Dual-rated for flexibility with copper and aluminum wires
Certifications:
- Complies with ANSI C119.4 standards
- UL Certified for safety and performance
Choose our One-Port In-Line Insulated Connector for a reliable, efficient, and safe electrical connection. Available in multiple sizes to suit your specific needs, this connector combines durability, versatility, and ease of use to meet the highest industry standards.
Pickup available at Malibu
Usually ready in 24 hours

Malibu Knecht™ IC-1 One-Port In-Line Splice Insulated Connector for #4, #2, 1/0, 2/0, 3/0, 250 MCM, 350 MCM,500 MCM, 600 MCM & 750 MCM
Frequently asked questions
Still looking for an answer?
How do I become a distributor?
Becoming a Malibu distributor is simple. Contact our sales team with your company information, and we'll review your application. Once approved, you'll receive distributor pricing, dedicated support, and access to exclusive promotions.
What is your prepaid freight allowance?
Prepaid freight is based on your shipping destination and order total.
- Pacific Region – $2,000+
- Mountain Region – $4,000+
- Central Region – $5,000+
- Eastern Region – $6,000+
- Alaska – $6,000+
How fast do you ship?
Most in-stock orders ship the same business day or within one business day. Standard ground transit is typically 1–6 business days depending on destination.
Where do your orders ship from?
Malibu products ship from our Los Angeles, California distribution center.
Are your products in stock?
Yes. We maintain inventory on our core product lines. If an item is temporarily unavailable, our team can provide an estimated restock date or place it on backorder.
Do you offer drop shipping?
Yes. We can ship directly to your customer, job site, or branch location.
Can I order less than a full case?
Many products are available in broken case quantities, while some items are sold in full-case quantities. Contact us for product-specific packaging information.
Are your products UL or ETL listed?
Yes. Malibu products are UL Listed or ETL Listed where applicable. Certification details are included on each product's specification sheet.
Do you provide specification sheets and installation instructions?
Yes. Product specification sheets, dimensions, certifications, and installation instructions are available for most Malibu products.
Do your products have a warranty?
Yes. Malibu products are backed by a manufacturer's 5 year warranty against defects in materials and workmanship.
Do you offer rebates?
Yes. rebates and special programs are available throughout the year. Contact your sales representative for current offers.
Do you price match?
We review competitive quotes on comparable products and work to provide the best possible value whenever possible.
What is your retrun policy?
Unused, uninstalled products in their original packaging may be returned within 1 year. Please contact Customer Service for an RMA before returning merchandise.
How can I contact technical support?
Our knowledgeable sales and technical support team is available Monday through Friday to assist with product selection, installation questions, code compliance, and project recommendations.
Do you offer volume discounts or project pricing?
Yes. We offer competitive volume pricing and special project pricing for qualifying projects. Contact our sales team for a quote.
Who do you sell to?
Malibu sells exclusively to electrical supply distributors throughout the US. We do not sell directly to contractors, electricians, or the general public.
If you're looking to purchase Malibu products, contact us and we'll be happy to help you find an authorized distributor that stocks Malibu products in your area.

