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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

Malibu hasn’t tried to overpromise. They do what they say they’ll do and that’s why we’ve continued working with them.

Alexander V.

Ship times have been accurate, which helps us plan. We’re not chasing updates or explaining delays to customers, and that alone adds value.

Sophia Nguyen

We started with a few Malibu SKUs and gradually expanded. Stock has been reliable, orders ship when they say they will and communication has been straightforward. That consistency has made it easier for us to keep Malibu on the shelf.

Marcus Kane

Having product available locally has helped us cover urgent contractor needs without scrambling. Will call pickup and local delivery have both been dependable, which matters when timelines are tight.

Elena Rose

When we have questions, we get answers quickly from someone who understands the product and the distribution side. That’s been a positive experience for us.

David Smith

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

SKU: IC-1-4
UPC: 850058819044
Sale price $32.00

  • 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

DOWNLOADSpecification 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.

Size: #4
Pack: 25 Case (400 Master Carton)
1096 in stock

Pickup available at Malibu

Usually ready in 24 hours

Available locations

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

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

Size: #4Pack: 25 Case (400 Master Carton)

  • Malibu

    Pickup available, usually ready in 24 hours

    5525 McKinley Avenue, Los Angeles CA 90011, United States

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Fast fullfilment
1-year hassle-free returns
5-year warranty

Frequently asked questions

Still looking for an answer?

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.

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+

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.

Malibu products ship from our Los Angeles, California distribution center.

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.

Yes. We can ship directly to your customer, job site, or branch location.

Many products are available in broken case quantities, while some items are sold in full-case quantities. Contact us for product-specific packaging information.

Yes. Malibu products are UL Listed or ETL Listed where applicable. Certification details are included on each product's specification sheet.

Yes. Product specification sheets, dimensions, certifications, and installation instructions are available for most Malibu products.

Yes. Malibu products are backed by a manufacturer's 5 year warranty against defects in materials and workmanship.

Yes. rebates and special programs are available throughout the year. Contact your sales representative for current offers.

We review competitive quotes on comparable products and work to provide the best possible value whenever possible.

Unused, uninstalled products in their original packaging may be returned within 1 year. Please contact Customer Service for an RMA before returning merchandise.

Our knowledgeable sales and technical support team is available Monday through Friday to assist with product selection, installation questions, code compliance, and project recommendations.

Yes. We offer competitive volume pricing and special project pricing for qualifying projects. Contact our sales team for a quote.

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.

Built for distributor profit

Competitive pricing, volume discounts and tiered incentive programs.

Easy to do business with

Fast quotes, knowledgeable support and dedicated account managers.

Low-risk inventory

UL & ETL-listed products backed by a 5-year warranty and hassle-free 1-year returns.

Reliable supply

Fast nationwide shipping, free local delivery, and same-day pickup.