The best electrical split-bolt connectors you can buy

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AI-generated summary · updated September 10, 2026 · verify details before purchase.

1. 

   1 Best overall Burndy

   Burndy YHS-8 Split Bolt Connector

   ★★★★★4.7/5 $33.30

   High-quality tin-plated copper connector for wire sizes 8 AWG to 2 AWG, known for reliable conductivity and corrosion resistance.

   • Tin-plated for corrosion resistance
   • Strong mechanical grip
   • Trusted brand

   • Limited to smaller wire sizes

   View on Amazon manufacturer site
2. 

   2 Best budget pick Ideal Industries

   Ideal 30-628 Split Bolt Connector

   ★★★★☆4.5/5 $50.39

   Affordable copper connector for wire sizes 14 AWG to 4 AWG, offering good performance for residential electrical projects.

   • Low cost
   • Suitable for multiple wire sizes
   • Durable copper construction

   • Not for heavy-duty applications

   View on Amazon manufacturer site
3. 

   3 Best for heavy-duty NSI

   Polaris ISB-250 Split Bolt Connector

   ★★★★★4.6/5 $41.79

   Designed for wire sizes 6 AWG to 250 kcmil, ideal for large gauge cables in commercial and industrial settings.

   • Handles large wire sizes
   • High strength
   • Durable plating

   • More expensive
   • Bulky for small wires

   View on Amazon manufacturer site
4. 

   4 Best for 1 AWG Burndy

   Burndy YHS-1 Split Bolt Connector

   ★★★★☆4.5/5 $33.30

   Reliable connector for wire sizes 4 AWG to 1 AWG, widely used for grounding and bonding applications.

   • Versatile wire range
   • Corrosion resistant
   • Easy installation

   • Not for very fine wires

   View on Amazon manufacturer site
5. 

   5 Best for corrosion resistance ILSCO

   ILSCO SSB-2 Split Bolt Connector

   ★★★★☆4.4/5 $27.50

   Stainless steel split bolt connector for use in harsh environments, resisting rust and corrosion.

   • Stainless steel material
   • Excellent corrosion resistance
   • Good for outdoor use

   • Higher cost than copper
   • Limited wire range

   View on Amazon manufacturer site
6. 

   6 Best for 4 AWG Burndy

   Burndy YHS-4 Split Bolt Connector

   ★★★★☆4.5/5 $15.73 Only 1 left

   Popular size for residential and commercial applications, handling wires from 6 AWG to 4 AWG with reliable performance.

   • Commonly used size
   • Trusted quality
   • Plated for durability

   • May need torque wrench

   View on Amazon manufacturer site
7. 

   7 Best for compact design Panduit

   Panduit PCSR-2 Split Bolt Connector

   ★★★★☆4.3/5 $19.19 Only 1 left

   Compact split bolt designed for tight spaces, suitable for wires 14 AWG to 2 AWG.

   • Small size
   • Good for confined areas
   • Solid construction

   • Not for high amperage

   View on Amazon manufacturer site
8. 

   8 Best for large cables ILSCO

   ILSCO XSB-250 Split Bolt Connector

   ★★★★☆4.4/5 $27.50

   Heavy-duty connector for wire sizes up to 250 kcmil, often used in service entrances and feeders.

   • Handles very large cables
   • High mechanical strength
   • Reliable connection

   • Expensive
   • Overkill for small wires

   View on Amazon manufacturer site
9. 

   9 Best for 6 AWG Burndy

   Burndy YHS-6 Split Bolt Connector

   ★★★★☆4.4/5 $16.74

   Good for medium-sized wires (6 AWG to 4 AWG), often used in subpanels and splices.

   • Mid-range versatility
   • Durable
   • Easy to work with

   • Limited to smaller gauge

   View on Amazon manufacturer site

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