Arlington Industries Duplex MC...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$54.60
$4.35

Arlington Industries Duplex MC Cable Connector, 1/2" Knockout, Zinc Die-Cast, Spring Steel Clips, Red Tint

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Model: 4040AST
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$54.60
$4.35
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Arlington Industries Duplex Zinc Die-Cast MC Cable Connector with Spring Steel Clips

Revolutionary Tool-Free MC Cable Connection System

The Arlington Industries Duplex Zinc Die-Cast MC Cable Connector is an innovative cable connection solution designed to eliminate the need for installation tools. This zinc die-cast connector features dual spring steel clips for rapid conduit attachment and knockout installation, delivering the speed and reliability that electrical professionals demand.

Innovative Features & Benefits

Tool-Free Installation Technology

  • Internal Spring Steel Clip - Snaps quickly onto conduit without tools, saving installation time
  • External Spring Steel Clip - Secures into knockout effortlessly for instant connection
  • Red Tinted Internal Clip - Visual indicator ensures easier conduit insertion and proper alignment
  • Duplex Design - Accommodates two cables simultaneously for efficient multi-cable runs

Professional-Grade Construction

  • Zinc Die-Cast Body - Superior durability and corrosion resistance for long-lasting performance
  • Insulated Throat - Protects cable integrity and ensures safe electrical connections
  • Concrete Tight Capability - When properly taped, provides moisture protection in concrete applications

Technical Specifications

Trade size: 1/2" knockout compatibility, Cable range: (2) 0.485" - 0.612", Material: Zinc die-cast construction, Height: 1.772", Color: Silver finish, Listings: cULus and CSA certified, Standard packaging: 100 pieces per package

Quick Installation Process

  1. Position connector at desired knockout location - no pre-drilling required
  2. Insert conduit into connector until red clip indicator shows proper seating
  3. Press connector firmly into 1/2" knockout until external clip engages
  4. Verify secure connection by gently tugging connector
  5. Apply tape around connection point if concrete-tight seal is required
  6. Complete cable installation through insulated throat opening

Perfect Applications

Ideal for:

  • Commercial Buildings - Office complexes, retail spaces, and institutional facilities requiring dual cable runs
  • Industrial Installations - Manufacturing plants, warehouses, and processing facilities
  • Residential Projects - Multi-family housing, custom homes, and renovation work
  • Concrete Applications - Foundation work, basement installations, and below-grade electrical systems
  • Panel Connections - Electrical panels, junction boxes, and distribution equipment
  • MC Cable Runs - Metal-clad cable installations requiring secure knockout connections
  • Retrofit Projects - Existing installations where tool access is limited
  • High-Volume Installations - Projects requiring multiple connections with consistent quality

Spring Steel Clip Advantage

Arlington's dual spring steel clip system eliminates the fumbling and frustration of traditional threaded connectors. The internal clip grips conduit securely while the external clip locks into knockouts instantly, reducing installation time by up to 75% compared to conventional methods.

Why Choose Arlington Innovation?

Since 1949, Arlington Industries has pioneered electrical installation solutions that solve real-world problems. This duplex connector represents decades of innovation in tool-free technology, delivering the reliability and time-saving advantages that keep electrical professionals ahead of schedule and on budget.

Manufacturer Resources

Product Specs

Cable Range:
(2) 0.485 - 0.612
Color:
Silver
Height:
1.772"
Knockout Size S :
1/2"
Listing:
cULus, CSA
Material S :
Zinc
Standard Packaging:
100pcs
Trade Size:
3/8"
Weight:
0.109 lbs/each
Width:
1.605"
Product Type:
Flex, AC, & MC Cable Fittings
Product Group:
Conduit and Cable Fittings
Department:
Electrical
Product Subgroup:
General Fittings