American Fittings ERS EMT/Rigi...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$62.06

American Fittings ERS EMT/Rigid Dual-Rated Set Screw Connector, Steel

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Model: ERS250CONN

In Stock (leaves warehouse same day if ordered before 3pm ET)

$62.06
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American Fittings ERS EMT/Rigid Dual-Rated Set Screw Connector, Steel

The American Fittings ERS Series is a line of EMT/Rigid dual-rated set screw connectors built from durable steel, available in 2-1/2" and 4" trade sizes for joining EMT or Rigid (RMC) conduit to boxes, panels, and enclosures. Rated to UL 514B and UL 467 and manufactured to NEMA FB 1 standards, these connectors deliver a secure, code-compliant termination for commercial and industrial electrical work. Proudly Made in USA, the ERS Series meets Buy American Act and ARRA sourcing requirements for federally funded projects.

Key Features

  • Trade Size: Available in 2-1/2" and 4" sizes for EMT or Rigid conduit terminations.
  • Durable Construction: Steel body resists damage and supports long service life in demanding installations.
  • Dual-Rated Design: Approved for use with both EMT and Rigid (RMC) conduit, adding installation flexibility.
  • Set Screw Connection: Set screw design provides a secure, reliable mechanical connection to conduit.
  • Made in USA: Manufactured domestically, supporting Buy American Act and ARRA compliance.

Certifications & Compliance

  • UL Listed to UL 514B and UL 467
  • Complies with NEMA FB 1 standards
  • Meets Federal Specification A-A-50553
  • Buy American Act Compliant
  • ARRA Compliant
  • CA Prop 65 Compliant
  • RoHS Compliant
  • REACH Compliant
  • Conflict Minerals Certified
  • Made in USA

Technical Specifications

  • Arra Compliant: YES
  • Buy American Act Compliant: YES
  • Ca Prop 65 Compliant: YES
  • Conflict Of Minerals Cert: YES
  • Made In Usa: YES
  • Reach Compliant: YES
  • Rohs Compliant: YES

Typical Applications

  • Commercial and Industrial Electrical Installations
  • EMT and Rigid Conduit Raceway Systems
  • Conduit-to-Box and Enclosure Connections
  • New Construction and Renovation Wiring
  • Government and Federally Funded Projects Requiring Buy American Act Compliance

Why American Fittings?

American Fittings backs the ERS Series with steel construction, UL 514B and UL 467 listing, and NEMA FB 1 compliance for dependable, code-ready conduit connections across 2-1/2" and 4" trade sizes. As a Made in USA product line meeting Buy American Act and ARRA requirements, it is a strong choice for both private and federally funded electrical projects. RoHS, REACH, and Conflict Minerals certifications further support responsible sourcing for professional installations.

Manufacturer Resources

Product Specs

Reach Compliant:
YES
Department:
Electrical
Buy American Act Compliant:
YES
Rohs Compliant:
YES
Cul Listed:
UL 514B, 467
Arra Compliant:
YES
Federal Spec No:
A-A-50553
Nema Standard:
FB 1
Product Type:
Connector
Product Group:
Fittings & Connectors
Unspsc:
39131706
Ca Prop 65 Compliant:
YES
Made In Usa:
YES
Product Subgroup:
EMT Fittings
Conflict Of Minerals Cert:
YES
Product Material:
Steel
Connection Type:
Set Screw
Product Size:
2-1/2" - 4"
Listing:
UL Listed
Standards:
NEMA FB 1
Country of Origin:
United States

American Fittings ERS250CONN – Frequently Asked Questions

1) Can I use the American Fittings ERS set screw connector on rigid conduit, or is it EMT only?
The ERS Series is dual-rated, so it terminates either EMT or Rigid (RMC) conduit into a box, panel, or enclosure. That is useful on jobs where a run transitions between the two raceway types and you don't want to stock two separate connector bins. The set screw body is steel.
2) Will this connector pass inspection for a grounding and bonding application?
The ERS connectors are UL Listed to both UL 514B and UL 467. UL 514B covers conduit fittings; UL 467 is the grounding and bonding equipment standard, which is why this connector is acceptable where the fitting is part of the equipment grounding path. They are also built to NEMA FB 1 and meet Federal Specification A-A-50553.
3) Does the American Fittings ERS connector qualify for a Buy American Act job?
Yes. The ERS Series is made in the United States and is listed as both Buy American Act and ARRA compliant, which is what a federal or federally funded project submittal needs. It also carries the A-A-50553 federal specification reference, plus RoHS, REACH, CA Prop 65, and Conflict Minerals certification for spec packages that ask for them.
4) Is a set screw connector OK outdoors or in a wet location?
No. Set screw fittings like the ERS are a dry-location connection method; a raintight or concrete-tight application calls for a compression (gland) connector instead. Use the ERS where the raceway terminates inside dry commercial and industrial spaces, panels, and enclosures.
5) Steel or die-cast for a 4 inch EMT termination in an industrial plant?
The ERS body is steel, which is what most industrial and institutional specs call out for large trade sizes where the fitting takes handling abuse and carries fault current. Die-cast zinc fittings are common in lighter commercial work but often get excluded by spec on plant and government jobs.
6) What exact part numbers do I quote for American Fittings ERS connectors?
ERS250CONN is the 2-1/2 inch connector and ERS400CONN is the 4 inch. Both are American Fittings, steel, set screw, EMT/Rigid dual-rated. Those two MPNs are the full ERS offering in these trade sizes, so a takeoff only needs to split by size.
7) Do I need a separate bonding bushing with the ERS connector, or does it handle grounding?
The connector itself is listed to UL 467, the grounding and bonding standard, alongside UL 514B for fittings. Whether your installation additionally requires a bonding bushing is driven by the service or over-600V conditions in the NEC for that termination, not by the fitting; the ERS is listed for the grounding role a connector plays.
How fast can I get the American Fittings ERS250CONN delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the American Fittings ERS250CONN come with a warranty?
Absolutely. The American Fittings ERS250CONN is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the American Fittings ERS250CONN?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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