NSI Industries 290-RT - Combination coupling for transitioning between 1/2" Rigid or IMC raceways to 1/2" EMT in wet or dry locations. Listed for use in wet locations. Raintight. Patented
NSI Industries

290-RT

UPC: 781747942609


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Minimum Qty: 25

Multiplier: 25

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Overview

The NSI Industries 290-RT Combination Coupling (SKU: 290-RT) is a patented, raintight solution designed for seamless transition between 1/2" Rigid or IMC raceways and 1/2" EMT conduits in both wet and dry locations. This coupling is UL-listed for wet location use, ensuring reliable performance even in harsh environmental conditions. The patented design simplifies installation by accommodating slight misalignments, reducing labor time and minimizing the risk of installation errors. Its raintight rating provides superior protection against moisture ingress, making it ideal for outdoor, industrial, and commercial applications where environmental resistance is critical. The coupling's durable construction ensures long-lasting performance, while its compact size and versatile compatibility make it a practical choice for electrical contractors and maintenance teams. Unlike standard couplings, the 290-RT eliminates the need for additional sealing compounds or complex installation procedures, streamlining project timelines and reducing material costs. Whether used in new construction, renovations, or maintenance projects, this coupling delivers a secure, weatherproof connection that meets industry standards for electrical conduit systems.
  • Patented raintight coupling for 1/2" Rigid/IMC to EMT transition
  • UL-listed for wet location use (raintight rating)
  • Simplifies installation with self-aligning design
  • Compatible with both wet and dry locations
  • Reduces labor time and installation errors

Specifications

Application
Used to make transition from Rigid Metallic Conduit and IMC to EMT in wet and dry locations.
Connector Type
Combination
Material Quality
High Strength Zinc Alloy
Special Features
Raintight /Wet Location Seal
Standard
cETLus
Trade Size
0.5 in
Type
Coupling
Package Weight (Imperial)
0.122 L
Package Weight (Metric)
0.055 kg
Coupling, Combination, Trade Size 1/2 Inch - 3/8 Inch, Clamping Range 0.15 Inch - 0.61 Inch, Length 1.16 Inch, Die Cast Zinc, EMT to Flex Set-Screw Type, Pack of 500

TX210-1

Coupling, Combination, Trade Size 1/2 Inch - 3/8 Inch, Clamping Range 0.15 Inch - 0.61 Inch, Length 1.16 Inch, Die Cast Zinc, EMT to Flex Set-Screw Type, Pack of 500
EMT to AC/MC/FMC/NM Transition Fitting

280-DCX

EMT to AC/MC/FMC/NM Transition Fitting

Frequently Asked Questions

Is the 290-RT suitable for wet locations?

Yes, the 290-RT is listed for use in wet locations.

What is the material of the 290-RT?

The 290-RT is made from high strength zinc alloy.

What certifications does the 290-RT have?

The 290-RT conforms to UL STD 514B and is certified to CAN/CSA STD C22.2 No. 18.3.

What is the trade size of the 290-RT?

The trade size of the 290-RT is 1/2 inch.

What is the application of the 290-RT?

The 290-RT is used to transition from Rigid Metallic Conduit and IMC to EMT in wet and dry locations.

What is the finish of the 290-RT?

The finish of the 290-RT is ball burnished.

What is the catalog ID for the 290-RT?

The catalog ID for the 290-RT is 290-RT.

What is the standard package quantity for the 290-RT?

The standard package quantity for the 290-RT is 100.

What is the UPC number for the 290-RT?

The UPC number for the 290-RT is 78174794260.

What is the dimension A of the 290-RT?

Dimension A of the 290-RT is 1.63 inches.

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