NSI Industries EC-250 - Mighty-Move Expansion Coupling 2-1/2" Steel expansion coupling for EMT & Rigid Conduit
NSI Industries

EC-250

UPC: 781747043061


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Overview

The NSI Industries EC-250 is a 2-1/2" steel expansion coupling designed for dry locations, offering the least expensive solution for managing conduit expansion. This coupling is specifically engineered for use with EMT (Electrical Metallic Tubing) and Rigid conduit, providing essential flexibility in long conduit runs. Unlike traditional expansion fittings that often require multiple installers and extensive time, the EC-250 simplifies the installation process. Its innovative design, as seen in the XJG series, eliminates the need for disassembly during installation, reducing the number of tools required and minimizing the risk of lost components. A key feature is the true internal bonding jumper, which negates the necessity for external jumpers, further streamlining installation and reducing the number of parts to purchase and install. This integrated jumper is also protected from environmental factors, ensuring reliable grounding. The EC-250 is built to exceed code requirements for linear movement in conduit systems, allowing for expansion and contraction without compromising the integrity of the electrical raceway. Manufactured in the US, this coupling provides a durable and cost-effective method for accommodating movement in conduit installations, saving both time and money on the job site. Its steel construction ensures robustness for industrial applications.
  • 2-1/2" steel expansion coupling for EMT and Rigid conduit
  • Designed for dry locations, offering the least expensive solution
  • Simplifies installation with no disassembly required
  • Features a true internal bonding jumper, eliminating external jumpers
  • Exceeds code requirements for linear movement in conduit runs

Specifications

Application
Assembles like a regular EMT/RIGID/IMC set screw coupling. To install, simply slide coupling end stop onto fixed end of EMT/RIGID/IMC and tighten screw. Place movable EMT/RIGID/IMC completely into coupling and mark engagement, remove EMT/RIGID/IMC and mark half the distance of engagement, reinstall EMT/RIGID/IMC to half distance.
Cable Entry
Through conduit into expansion throat back to conduit
Finish
Enamel
Material
Zinc Plated Steel
Material
Steel
Series
Mighty-Move
Size
2-1/2 IN
Special Features
suitable for EMT/Rigid/IMC
Standard
cULus
Trade Size
2.5 in
Type
Coupling
Package Dimensions (L x W x H)
11.125 IN x 5.063 IN x 4 IN
Package Dimensions (L x W x H)
28.2575 cm x 12.86 cm x 10.16 cm
Package Weight (Imperial)
3.266 L
Package Weight (Metric)
1.481 kg
Mighty-Move® Expansion Coupling 1" Steel expansion coupling for EMT

EC-100

Mighty-Move® Expansion Coupling 1" Steel expansion coupling for EMT
Oval Service Cable Cap with Split Insulator. Fits cable 3#3/0-4/0.

SC-2001

Oval Service Cable Cap with Split Insulator. Fits cable 3#3/0-4/0.
One piece strut clamp with saddle designed to secure rigid/EMT conduit or cable perpendicular to strut. It is made of steel with a galvanized finish. The clamp fits 2-1/2 in EMT and 2-1/2 in RMC and has a static load rating of 350 lbs.

CCOP250

One piece strut clamp with saddle designed to secure rigid/EMT conduit or cable perpendicular to strut. It is made of steel with a galvanized finish. The clamp fits 2-1/2 in EMT and 2-1/2 in RMC and has a static load rating of 350 lbs.
KIT GREASE FITTING WITH EXTENSION

GF 250 ODE-W22

KIT GREASE FITTING WITH EXTENSION

Frequently Asked Questions

What is the standard package quantity for the EC-250?

The standard package quantity for the EC-250 is 1 unit.

Where is the EC-250 expansion coupling manufactured?

The EC-250 is manufactured in the USA using foreign components.

What is the trade size of the EC-250 coupling?

The trade size for the EC-250 expansion coupling is 2-1/2 inches.

What industry standards does the EC-250 meet?

The EC-250 meets NEMA Standard FB-1 and UL Standard UL514B.

What types of conduit is the EC-250 compatible with?

The EC-250 is a steel expansion coupling designed for EMT and Rigid Conduit.

What are the main dimensions of the EC-250 coupling?

Dimension A is 10 inches and Dimension B is 2-5/8 inches.

What material is the EC-250 expansion coupling made from?

The EC-250 expansion coupling is made from zinc plated steel.

Where is the EC-250 expansion coupling manufactured?

The EC-250 is manufactured in the USA using foreign components.

What material is the EC-250 expansion coupling made from?

The EC-250 expansion coupling is made from zinc plated steel.

What are the main dimensions of the EC-250 coupling?

Dimension A is 10 inches and Dimension B is 2-5/8 inches.

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