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Gray zinc-plated steel EMT coupling, straight set-screw type, 1 1/4 in trade size

Hubbell Incorporated

Hubbell Incorporated Raco Steel Coupling 1 1/4 in 3 1/32 in 2025

SKU CH-8FY6-QTEAT

Connects EMT conduit securely with set-screw steel coupling, cULus listed to UL 514B

  • Color MappingGray
  • MaterialHAWA
  • TypeElectrical Wire Connector & Terminal Kits
  • Steel construction with zinc-plated finish resists corrosion
  • Set-screw connection secures EMT conduit without threading
  • cULus listing confirms compliance with UL 514B standards
  • Concrete-tight design blocks moisture in damp locations
  • Compact 3 1/32 in length fits tight junction boxes

Steel EMT Coupling 1 1/4 in

This zinc-plated steel coupling joins two lengths of 1 1/4 in EMT conduit in a straight line. It is cULus listed to UL 514B and rated concrete-tight for embedded installations. The set-screw connection secures the conduit without threads. Electrical contractors use it for commercial and industrial raceway systems.

Set-screw connection and concrete-tight rating

The set-screw design allows fast installation without threading the conduit. A concrete-tight seal protects conductors when the raceway passes through slabs or walls. The zinc-plated finish resists corrosion in damp locations. The coupling includes the clamp hardware required for the connection.

Trade size 1 1/4 in limits conduit capacity

This fitting accepts only 1 1/4 in EMT conduit; it cannot join larger or smaller trade sizes. The straight orientation does not change direction, so bends require separate fittings. Set-screw torque must meet code requirements for a secure bond. Installers needing threaded or compression couplings must select a different type.

Highlights

  • Steel construction with zinc-plated finish resists corrosion
  • Set-screw connection secures EMT conduit without threading
  • cULus listing confirms compliance with UL 514B standards
  • Concrete-tight design blocks moisture in damp locations
  • Compact 3 1/32 in length fits tight junction boxes

Specifications

BrandRaco
Color MappingGray
MaterialHAWA
TypeElectrical Wire Connector & Terminal Kits

Questions about this item

Will the set-screw threads on this 1 1/4 in coupling strip if I re-tighten them during a future inspection?

The coupling uses a steel set-screw connection rated for EMT conduit; repeated adjustment is not a designed maintenance step, so plan to leave the original torque once installed.

What mechanical limit appears first when this zinc-plated steel coupling carries a continuous load through EMT conduit?

The cULus listing to UL 514B defines the structural and concrete-tight ratings; exceeding the listed trade-size 1 1/4 in capacity is the first limit you will reach.

Does the zinc-plated finish on this 0.31 lb coupling generate noticeable heat or require extra cooling when enclosed all day?

No — it is a passive metallic fitting with no electrical consumption, so it produces no heat and needs no ventilation beyond normal conduit-fill rules.

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