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NSI Industries 5157-DC - Mighty-Merge® Transition Fittings 3/4" EMT to Duplex AC/MC/FMC Coupling.

NSI Industries 5157-DC Mighty-Merge® Transition Fittings 3/4" EMT to Duplex AC/MC/FMC Coupling.

UPC: 781747951571


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Contact for Pricing

Minimum Qty: 25

Multiplier: 25

*Contact for lower quantities*

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The NSI Industries Mighty-Merge® Transition Fitting (SKU: 5157-DC) is a zinc die-cast metal coupling designed to connect 3/4" Electrical Metallic Tubing (EMT) to Duplex AC/MC/FMC cables. This single-screw fitting eliminates the need for separate junction boxes, reducing installation time and material costs by up to two-thirds compared to traditional methods. The TITE-BITE® Connector design ensures a secure hold on flexible metal cable, while the formed steel body includes a rounded bushing for cable protection. Compatible with armored cable and flexible metal conduit, this fitting features a cable opening range of 0.250" to 0.656". Ideal for commercial, institutional, and OEM applications where space is limited or circuit isolation is required. The patented design simplifies raceway management and accelerates installation in tight parallel configurations.
  • Zinc die-cast metal construction for durability
  • Single-screw TITE-BITE® Connector for secure cable retention
  • Rounded bushing protects flexible metal cable
  • Cable opening range: 0.250" to 0.656"
  • Eliminates need for separate junction boxes, reducing installation time and material costs

Specifications

Application
Compression type transitional fitting. The 5157-DC is used to securely join EMT to two AC/MC/MCI-A/HCF or 3/8" Aluminum or Steel FMC/RWFMC. A labor savings, compared to the traditional junction box or fitting assembly installation. When using AC/MC/FMC cable simply remove the armor and expose the conductors to the desired length needed to reach the device box or enclosure. The inspection holes will provide a visual end stop for the cable or flex conduit. The use of anti short bushings is recommended. Tighten the steel strap screws between the armor convolutions, and compression nut for the 3/4" EMT conduit. Suitable for MC-PCS cable. Patented.
Material Quality
Zinc Alloy
Special Features
Ideal for commercial and institutional facilities
Standard
cULus
Trade Size
0.75 in
Trade Size
0.75
Type
Coupling
Package Weight (Imperial)
0.227 L
Package Weight (Metric)
0.103 kg
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Frequently Asked Questions

What is the trade size of the 5157-DC?

The trade size of the 5157-DC is 3/4 inch.

What types of cables can the 5157-DC connect?

The 5157-DC can connect EMT to two AC/MC/MCI-A/HCF or 3/8" Aluminum or Steel FMC/RWFMC.

What is the material of the 5157-DC fitting?

The 5157-DC fitting is made of zinc alloy.

What are the dimensions of the 5157-DC fitting?

The dimensions are: A: 2.52 in, B: 1.72 in, C: 1.25 in, D: 0.95 in.

What is the standard package quantity for the 5157-DC?

The standard package quantity for the 5157-DC is 100 units.

What is the unit quantity for the 5157-DC?

The unit quantity for the 5157-DC is 25.

What is the recommended installation practice?

When using AC/MC/FMC cable, remove the armor and expose the conductors to the desired length.

What certifications does the 5157-DC have?

The 5157-DC is certified under CSA File Number C22.2 No. 18 3-04 and UL File Number E20534.

Is the 5157-DC suitable for MC-PCS cable?

Yes, the 5157-DC is suitable for MC-PCS cable.

Are anti-short bushings necessary?

Yes, the use of anti-short bushings is recommended during installation.

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