NSI Industries IPCS7550 - Insulation Piercing Connector 750 - 250 MCM Insulation piercing connectors are made for use with copper-copper, copper to aluminum and aluminum to aluminum applications. They are safe to use and are completely insulated, no need to strip wire. They can be installed on energized conductors with no contact at any point. No spacer required between connections. Exclusive "turbo spacer" keeps tap side open while main conductor is being tightened. Watertight and corrosion-free.
NSI Industries

IPCS7550

UPC: 662381082701

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Overview

NSi Industries IPCS7550 is a UL486B-listed, dual-rated insulation piercing connector engineered for safe, no-strip taps on energized 750 MCM main conductors with 250 MCM tap conductors. This connector eliminates wire stripping, taping, and spacers while maintaining a watertight, corrosion-resistant seal via a rubber grommet. The exclusive "turbo spacer" keeps the tap side open during main conductor tightening, enabling single-handed installation without requiring a third hand. With a temperature rating of 90°C and 600V rating, the IPCS7550 handles copper-to-copper, copper-to-aluminum, and aluminum-to-aluminum applications for both solid and stranded wires. Its double shear-head bolts ensure consistent, hotspot-free connections across the full 750–250 MCM range. Certified to ANSI C119.4 and UL486B standards, the IPCS7550 measures 4.7" height × 3.3" width × 4.3" length and ships in packs of 2. Ideal for utility, industrial, and commercial installations where speed, safety, and reliability are critical. No special tools are required, and the connector’s design prevents water migration and contamination between main and tap conductors. The IPCS7550 is designed for use in both overhead and underground applications, including power distribution, renewable energy systems, and utility substations. Its compact design allows for easy installation in tight spaces, and the corrosion-resistant aluminum body ensures long-term durability in harsh environments. The connector’s insulation piercing technology provides a secure, gas-tight connection that resists vibration and thermal cycling, reducing the risk of loose connections and electrical faults. Additionally, the IPCS7550 is compatible with a wide range of conductor sizes, including 750 MCM main conductors and 250 MCM tap conductors, making it a versatile solution for various electrical applications.
  • UL486B & ANSI C119.4 certified for 600V, 90°C operation
  • No wire stripping required; installs on energized 750 MCM main conductors
  • Handles copper-copper, copper-aluminum, and aluminum-aluminum taps (250 MCM)
  • Exclusive turbo spacer enables one-handed installation; no spacers or third hand needed
  • Watertight, corrosion-resistant with rubber grommet seal; prevents water migration

Specifications

Amperage Rating
700 (CU Amps) - 545 (AL Amps)
Application
NSI
Color
Black
Conductor Size
750-250 MCM (Main)
Connection Type
Insulation Piercing
Environmental Conditions
90 C
Finish
Thermal Plastic
Material
Insulated
Material
Fiber Reinforced Thermal Plastic
Mounting
Clamp
Size
L=4.30 - W=3.30 - H=4.70
Size
750 - 250 MCM
Special Features
No need to strip wire - No tape or cover needed - Exclusive turbo spacer keeps tap side open while main conductor is being tightened
Standard
UL486B Listed
Tap Size
500-250 MCM
Temperature Rating
90 C
Type
Insulation Piercing Connectors
Voltage Rating
600 V
Warranty
1 Year
Package Dimensions (L x W x H)
4.3 IN x 3.3 IN x 4.7 IN
Package Dimensions (L x W x H)
10.922 cm x 8.382 cm x 11.938 cm
Package Weight (Imperial)
1.660 L
Package Weight (Metric)
0.753 kg
Insulation Piercing Connector 500 MCM - 4/0 AWG Insulation piercing connectors are made for use with copper-copper, copper to aluminum and aluminum to aluminum applications. They are safe to use and are completely insulated, no need to strip wire. They can be installed on energized conductors with no contact at any point. No spacer required between connections. Exclusive "turbo spacer" keeps tap side open while main conductor is being tightened. Watertight and corrosion-free.

IPCS5035

Insulation Piercing Connector 500 MCM - 4/0 AWG Insulation piercing connectors are made for use with copper-copper, copper to aluminum and aluminum to aluminum applications. They are safe to use and are completely insulated, no need to strip wire. They can be installed on energized conductors with no contact at any point. No spacer required between connections. Exclusive "turbo spacer" keeps tap side open while main conductor is being tightened. Watertight and corrosion-free.
H-Tap Insulating Hard Cover for H-Taps 63110, 63118, 63125, 63140, C-Taps 54720, 54725, 54730, 54755, 54760, Rated 600V, 90 degrees C, Material: thermoplastic Noryl, Black

HTC40

H-Tap Insulating Hard Cover for H-Taps 63110, 63118, 63125, 63140, C-Taps 54720, 54725, 54730, 54755, 54760, Rated 600V, 90 degrees C, Material: thermoplastic Noryl, Black

Frequently Asked Questions about NSI Industries

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Tork offers a comprehensive range of technical support services, including 24/7 customer support, on-site service management, and a technical hotline network. With three advanced technical support centers and over 8,000 hours of technical training conducted annually, Tork ensures certified expertise across 25+ languages to assist customers effectively. Their commitment to service is reflected in a 98% Service Level Agreement compliance rate, providing reliable support for all operational needs.

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