Pre-Insulated Connector
Pre-insulated connectors are designed to provide secure and reliable connections in a wide variety of electrical and electronic applications. These connectors are designed with a built-in insulation layer, to provide enhanced electrical and environmental protection, and they eliminate the need for separate insulating materials. They are designed to help ensure safety and reliability across a wide range of applications and are often available for a multitude of wire sizes, providing a shortcut to safe and efficient wiring.
Product Catalog
ITC-101-4/0AWG 250 MCM – 6 AWG 2-Port Inline Splice Pre-Insulated Connector
The 250 MCM – 6 AWG 2-port inline splice pre-Insulated connector provides quick and secure splicing with its pre-insulated, inline design.
Product Details Ask For QuoteITC-101-2/0AWG 2/0 AWG – 6 AWG In-line Entry Insulated Wire Connector
The 2/0-6 AWG in-line entry insulated wire connector is designed to securely connect copper and aluminum wires and prevent overheating issues.
Product Details Ask For QuoteITC-101-1/0AWG 1/0 AWG – 14 AWG 2-Port Multi-Tap In-Line Wire Entry Pre-Insulated Connector
This 1/0 AWG - 14 AWG 2-Port pre-insulated connector is designed for Aluminum to Copper connections and features an in-line entry design.
Product Details Ask For QuoteITC-101-2AWG 2 AWG -14 AWG Wire Range Insulated In-line Splice Connector
The 2-14 AWG wire range insulated in-line splice connector designed for optimal compatibility with wire gauges and to offer secure connections.
Product Details Ask For QuoteITC-101-4AWG 4 AWG – 14 AWG 2-Port Multi-Tap In-Line Wire Entry Pre-Insulated Connector
This 4 AWG - 14 AWG 2-Port pre-insulated connector is designed for Aluminum to Copper connections and features an in-line entry design.
Product Details Ask For QuoteITC-102-350MCM 350 MCM – 6 AWG 2-Port Single-Sided Entry Pre-Insulated Wire Connector
This 350 MCM - 6 AWG 2-port pre-insulated wire connector is designed for Aluminum to Copper connections and features an single-sided entry design.
Product Details Ask For QuoteITC-102D-4/0AWG 250 MCM – 6 AWG 2 Port Dual Entry Power Insulated Tap Connector
The 250MCM-6 AWG 2 port dual entry power insulated tap connector features a unique hex screw configuration designed for secure wire tightening.
Product Details Ask For QuoteITC-102D-3/0AWG 3/0 AWG – 6 AWG 2-Port Multi-Tap Dual-Sided Entry Pre-Insulated Connector
This 3/0 AWG - 6 AWG 2-port pre-insulated connector is designed for Aluminum to Copper connections and features an dual-sided entry design.
Product Details Ask For QuoteITC-102-2/0AWG 2/0 AWG – 6 AWG 2 Port Single-side Black Pre-Insulated Multi-Tap Connector
The 2/0-6AWG single-side 2-port pre-Insulated multi-tap connector secure connections between multiple conductors with a rounded design and UV-resistant insulation coating.
Product Details Ask For QuoteITC-102D-2/0AWG 2/0 AWG – 6 AWG Black Multi-Tap 2-Port Pre-Insulated Connector
The 2/0-6AWG Black multi-tap 2-port pre-Insulated connector secure connections between multiple conductors with a rounded design and UV-resistant insulation coating
Product Details Ask For QuoteITC-102D-1/0AWG 1/0 AWG – 14 AWG 2-Port Dual-Sided Entry Pre-Insulated Connector for Aluminum and Copper Wire
This 1/0 AWG - 14 AWG 2-port pre-insulated wire connector is designed for Aluminum to Copper connections and features an dual-sided entry design.
Product Details Ask For QuoteITC-102-2AWG 2 AWG – 14 AWG 2-Port Aluminum to Copper Single-Side Multi-Tap Pre-Insulated Connector
The 2-14AWG multi-tap pre-insulated connector with ergonomic design and removable plugs are designed for safe and efficient connections.
Product Details Ask For QuoteITC-102D-2AWG 2 AWG – 14 AWG Dual-side Entry Insulated Wire Connector
The 2-14AWG dual-side entry insulated wire connector with ergonomic design and removable plugs are designed for safe and efficient connections.
Product Details Ask For QuoteITC-102-4AWG 4 AWG – 14 AWG 2-Port Single-side Multi-Tap Pre-Insulated Connector
The versatile 4-14 AWG 2-port single-side multi-tap pre-insulated connector form secure connections between multiple conductors.
Product Details Ask For QuoteITC-103D-350MCM 350 MCM – 6 AWG 3-Port Dual-Sided Entry Pre-Insulated Multi-Tap Connector
This 350 MCM - 6 AWG 3-Port pre-insulated multi-tap connector is designed for Aluminum to Copper connections and features an dual-sided entry design.
Product Details Ask For QuoteITC-103D-2/0AWG 2/0 AWG – 6 AWG 3 Ports Dual-Sided Wire Entry Insulated Multi-tap Connector
The 3 port dual-side entry insulated multi-tap connector is expertly designed to securely accommodate a wide range of wire gauges, from 2/0 AWG to 6 AWG.
Product Details Ask For QuoteITC-103D-2AWG 2 AWG – 14 AWG 3-Port Dual-Sided Entry Insulated Tap Connector
This 2 AWG - 14 AWG 3-Port pre-insulated connector is designed for Aluminum to Copper connections and features an dual-sided entry design.
Product Details Ask For QuoteITC-103-4AWG 4 AWG – 14 AWG 3 Ports Single-Side Entry Multi-Tap Insulated Connector
The 3 ports single-side entry multi-tap insulated connector is expertly designed to securely accommodate a wide range of wire gauges from 4 AWG to 14 AWG.
Product Details Ask For QuoteITC-104-4AWG 4 AWG – 14 AWG 4 Port Single-Sided Entry Pre-Insulated Multi Tap Connector
This 4 AWG - 14 AWG 4-port pre-insulated multi tap connector is designed for Aluminum to Copper connections and features an single-sided entry design.
Product Details Ask For QuoteDaier’s Pre-Insulated Connectors
Efficient, Safe, Protected Wiring
Daier pre-insulated connectors provide a shortcut to safe and efficient wiring, and have been engineered to provide reliable and safe connections across a diverse range of demanding projects. Daier’s pre-insulated connectors offer a wide selection of options, including multiple wire connection types, varied wire gauges and ratings, and multiple port options. Many Daier pre-insulated connectors are designed with high-grade materials, and with specific applications in mind. These high-quality connections provide both electrical and environmental protection for all connections. Consider the use of Daier pre-insulated connectors within automotive wiring harnesses, where a dependable and secure connection is vital for vehicle safety, or in industrial control systems, where reliable protection of electrical connections can help to improve functionality and long-lasting performance.
Key Features and Benefits
Typical Applications

Automotive Wiring Harnesses

Industrial Control Systems

Renewable Energy Systems

Power Distribution Units

Telecommunications Equipment

Construction Electrical Wiring
Daier is committed to providing reliable and high-quality components. Daier pre-insulated connectors provide a shortcut to safe and efficient wiring by providing secure, dependable, and long-lasting connections for all kinds of electrical systems. Please feel free to contact Daier’s expert team today to discuss any specific project requirements, or to inquire about custom solutions, or to request a quote.
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