NSI Industries GLA-250 - Lay In Connector 250 MCM - 6 AWG Lay-in connectors offer the ultimate in flexibility. Excellent for grounding and continuous loop applications. Made of 6061T-6 aluminum alloy. Electro-tin plated for low contact resistance. Suitable for use with both copper and aluminum conductors. Rated 600V (2000V max. per UL486B). UL 486A/B Listed. Temperature rating 90 degrees C.
NSI Industries

GLA-250

UPC: 662381001931

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Overview

NSI Industries GLA-250 Lay-In Connector is a high-performance, UL486A/B listed mechanical connector engineered for grounding and continuous loop bonding applications. Constructed from 6061T-6 aluminum alloy with electro-tin plating, this dual-rated connector ensures low contact resistance and reliable performance with both copper and aluminum conductors. Rated for 600V (2000V max per UL486B) and operating at 90°C, the GLA-250 meets stringent UL and CSA standards, including UL467 for grounding and bonding. Its lay-in design enables quick, tool-free installation, reducing labor time while maintaining secure connections. The connector features a 1/4" mounting bolt with a maximum torque of 330 in-lbs and a hex wrench size of 1/4", ensuring compatibility with standard tools. With a wire range accommodating 250 MCM to 6 AWG conductors, the GLA-250 is ideal for industrial grounding systems, electrical infrastructure, and continuous loop bonding applications. Its compact dimensions (2.2" length x 1.7" height x 0.8" width) and 0.33" mounting hole diameter make it suitable for tight spaces. NSI Industries, a trusted manufacturer in the electrical industry, delivers a product that combines durability, flexibility, and compliance with industry standards.
  • Dual-rated for copper and aluminum conductors (250 MCM - 6 AWG)
  • UL486A/B and UL467 listed for grounding and bonding applications
  • 6061T-6 aluminum alloy with electro-tin plating for low contact resistance
  • Rated 600V (2000V max per UL486B) with 90°C temperature rating
  • Lay-in design enables quick, tool-free installation

Specifications

Application
Wire Termination
Color
Aluminum
Connection Type
Lay-in
Current Rating
250 A
Environmental Conditions
90 C
Finish
Aluminum
Housing Material
Aluminum
Housing Material
Aluminium
Material
Aluminum
Material
6061T-6 Aluminum Alloy
Number of Conductors
1
Number Of Poles
1
Poles
1 Port
Size
L=2.20 - H=1.70 - W=.800 IN
Size
250 MCM - 6 AWG
Special Features
250 MCM-6 AWG - Dual Rated - 20 Pack
Standard
cULus
Temperature Rating
90 C
Temperature Rating, Maximum
194 F
Temperature Rating, Maximum
90 C
Temperature Rating, Minimum
194 F
Temperature Rating, Minimum
90 C
Type
Aluminum Lay-In Lug
Voltage Rating
600 V
Warranty
1 Year
Wire Size
250 MCM-6 AWG
Wire Type
AL/CU
Package Dimensions (L x W x H)
2.2 IN x 0.8 IN x 1.7 IN
Package Dimensions (L x W x H)
5.588 cm x 20.32 mm x 4.318 cm
Package Weight (Imperial)
3.680 L
Package Weight (Metric)
1.669 kg
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PL250-6

The Polaris PL250-6 Uninsulated Multi-Tap Connector features 6 ports sized for 250 MCM - 6 AWG wires. The body is made from aluminum alloy and plated for corrosion resistance. Each pass-through port features a hex screw used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.
The Polaris PL250-8 Uninsulated Multi-Tap Connector features 8 ports sized for 250 MCM - 6 AWG wires. The body is made from aluminum alloy and plated for corrosion resistance. Each pass-through port features a hex screw used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.

PL250-8

The Polaris PL250-8 Uninsulated Multi-Tap Connector features 8 ports sized for 250 MCM - 6 AWG wires. The body is made from aluminum alloy and plated for corrosion resistance. Each pass-through port features a hex screw used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.
The Polaris IPLD250-3B Multi-Tap Dual-Sided Entry Black Connector features 3 ports sized for 250 MCM - 6 AWG wires. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each dual-sided port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies, and comes packaged in a clear plastic bag with a mounting hole for hanging in retail displays. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.

IPLD250-3B

The Polaris IPLD250-3B Multi-Tap Dual-Sided Entry Black Connector features 3 ports sized for 250 MCM - 6 AWG wires. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each dual-sided port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies, and comes packaged in a clear plastic bag with a mounting hole for hanging in retail displays. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.
The Polaris IPLD250-3 Multi-Tap Dual-Sided Entry Black Connector features 3 ports sized for 250 MCM - 6 AWG wires. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each dual-sided port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.

IPLD250-3

The Polaris IPLD250-3 Multi-Tap Dual-Sided Entry Black Connector features 3 ports sized for 250 MCM - 6 AWG wires. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each dual-sided port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.
The Polaris IPL250-3C Multi-Tap Single Side Entry Vision Tap Connector features 3 ports sized for 250 MCM - 6 AWG wires. The clear body allows users to see their conductor placement and is wrapped in a layer of plastisol insulation. Each port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.

IPL250-3C

The Polaris IPL250-3C Multi-Tap Single Side Entry Vision Tap Connector features 3 ports sized for 250 MCM - 6 AWG wires. The clear body allows users to see their conductor placement and is wrapped in a layer of plastisol insulation. Each port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.
The Polaris ISR-250C Multi-Tap Multi-Tap In-Line Entry Connector features 2 ports sized for 250 MCM - 6 AWG wires. The clear body allows users to see their conductor placement and is wrapped in a layer of plastisol insulation. Each in-line port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.

ISR-250C

The Polaris ISR-250C Multi-Tap Multi-Tap In-Line Entry Connector features 2 ports sized for 250 MCM - 6 AWG wires. The clear body allows users to see their conductor placement and is wrapped in a layer of plastisol insulation. Each in-line port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.
The Polaris IPLD250-12 Multi-Tap Dual-Sided Entry Connector features 12 ports sized for 250 MCM - 6 AWG wires. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each dual-sided port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.

IPLD250-12

The Polaris IPLD250-12 Multi-Tap Dual-Sided Entry Connector features 12 ports sized for 250 MCM - 6 AWG wires. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each dual-sided port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.
The Polaris ISR-250B Multi-Tap In-Line Entry Connector features 2 ports sized for 250 MCM - 6 AWG wires. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.

ISR-250B

The Polaris ISR-250B Multi-Tap In-Line Entry Connector features 2 ports sized for 250 MCM - 6 AWG wires. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.
The Polaris IPLD250-5B Multi-Tap Dual-Sided Entry Black Connector features 5 ports sized for 250 MCM - 6 AWG wires. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each dual-sided port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies, and comes packaged in a clear plastic bag with a mounting hole for hanging in retail displays. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.

IPLD250-5B

The Polaris IPLD250-5B Multi-Tap Dual-Sided Entry Black Connector features 5 ports sized for 250 MCM - 6 AWG wires. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each dual-sided port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies, and comes packaged in a clear plastic bag with a mounting hole for hanging in retail displays. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.
The Polaris IPLMD250-8 Multi-Tap Mountable Dual-Sided Entry Connector features 8 ports sized for 250 MCM - 6 AWG wires. Mounting holes on either side of the connector allow for direct mounting to troughs, panels or wireways with 1/4 inch bolts. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each dual-sided port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.

IPLMD250-8

The Polaris IPLMD250-8 Multi-Tap Mountable Dual-Sided Entry Connector features 8 ports sized for 250 MCM - 6 AWG wires. Mounting holes on either side of the connector allow for direct mounting to troughs, panels or wireways with 1/4 inch bolts. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each dual-sided port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.
The Polaris IPL250-4B Multi-Tap Single Side Entry Connector features 4 ports sized for 250 MCM - 6 AWG wires. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.

IPL250-4B

The Polaris IPL250-4B Multi-Tap Single Side Entry Connector features 4 ports sized for 250 MCM - 6 AWG wires. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.
The Polaris IPL250-6 Multi-Tap Single Side Entry Connector features 6 ports sized for 250 MCM - 6 AWG wires. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.

IPL250-6

The Polaris IPL250-6 Multi-Tap Single Side Entry Connector features 6 ports sized for 250 MCM - 6 AWG wires. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.

Frequently Asked Questions about NSI Industries

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Tork products are typically installed by trained technicians who follow a comprehensive commissioning process. This includes verifying the work environment, conducting electrical installation checks, performing internal and external equipment inspections, powering on the system, and executing operational tests to ensure compatibility and reliability.

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Tork products are designed to meet various environmental ratings, including NEMA Type 4X and Type 6, which provide protection against corrosion, windblown dust, rain, and occasional temporary submersion. These ratings ensure that Tork products can withstand harsh industrial environments while maintaining operational integrity.

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Tork offers a diverse range of products primarily focused on industrial automation, including TORK® Photocontrols, lighting controls, and various electrical components such as enclosures, occupancy sensors, and grounding solutions. These products are designed to enhance efficiency and reliability in commercial and industrial applications.

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