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RACO

RACO is a brand of electrical conduit fittings, boxes, and enclosures used in industrial, commercial, and institutional electrical raceway systems. The line originated in the United States and has been part of Hubbell Incorporated since 1997, when Hubbell acquired the RACO business from Harvey Hubbell's former parent. RACO products are specified by electrical engineers and installed by contractors for routing and terminating conduit, protecting conductors, and providing pull points and device boxes in exposed and concealed raceways. The catalog includes liquid-tight conduit fittings, flexible conduit couplings, rigid and IMC elbows, conduit bodies, outlet boxes, and related accessories. Many items carry UL listings or CSA certification, and construction materials include steel, malleable iron, zinc, and aluminum depending on the fitting type and intended environment. Trade sizes range from 1/2 in through 4 in and larger for certain families, with NPT threads on threaded fittings and compression or screw-in designs on flexible conduit connections. Liquid-tight connectors are available in straight, 45-degree, and 90-degree configurations, with insulated and non-insulated throat options; some models include an external bonding jumper for grounding continuity. Short elbows and conduit bodies are listed to UL 514B and are compatible with IMC and RMC raceways. 3G Electric supplies the RACO line as part of its industrial electrical and instrumentation catalog, with 746 SKUs available for global shipment. The product data set covers manufacturer part numbers, trade sizes, materials, thread types, and applicable standards so procurement and maintenance teams can match existing installations or specify replacements. 3G Electric provides logistics support for international orders and can source additional RACO items beyond the listed catalog on request. Typical buyers include plant engineers, maintenance managers, and electrical contractors working on process plants, manufacturing facilities, water and wastewater systems, and commercial infrastructure where conduit systems must meet code and environmental requirements. The RACO range is used across raceway installations that require mechanical protection for conductors, transitions between conduit types, and liquid-tight terminations in washdown or outdoor locations. Because the fittings are standardized by trade size and thread form, they interchange with common North American conduit systems and are frequently stocked as maintenance spares. 3G Electric's catalog entries for RACO include the MPN, trade size, material, and standard listings, allowing buyers to verify compatibility before ordering. For projects requiring mixed conduit types, RACO offers transition fittings such as flex-to-EMT couplings and liquid-tight connectors for metallic and nonmetallic flexible conduit. The brand's product families are organized around installation function: termination, coupling, direction change, and enclosure. This structure helps specifiers select the correct fitting for each point in a raceway run without custom fabrication. 3G Electric maintains inventory visibility across the RACO line and supports quotation requests with specification-level detail.

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About RACO

RACO is a brand of electrical conduit fittings, boxes, and enclosures used in industrial, commercial, and institutional electrical raceway systems. The line originated in the United States and has been part of Hubbell Incorporated since 1997, when Hubbell acquired the RACO business from Harvey Hubbell's former parent. RACO products are specified by electrical engineers and installed by contractors for routing and terminating conduit, protecting conductors, and providing pull points and device boxes in exposed and concealed raceways. The catalog includes liquid-tight conduit fittings, flexible conduit couplings, rigid and IMC elbows, conduit bodies, outlet boxes, and related accessories. Many items carry UL listings or CSA certification, and construction materials include steel, malleable iron, zinc, and aluminum depending on the fitting type and intended environment. Trade sizes range from 1/2 in through 4 in and larger for certain families, with NPT threads on threaded fittings and compression or screw-in designs on flexible conduit connections. Liquid-tight connectors are available in straight, 45-degree, and 90-degree configurations, with insulated and non-insulated throat options; some models include an external bonding jumper for grounding continuity. Short elbows and conduit bodies are listed to UL 514B and are compatible with IMC and RMC raceways. 3G Electric supplies the RACO line as part of its industrial electrical and instrumentation catalog, with 746 SKUs available for global shipment. The product data set covers manufacturer part numbers, trade sizes, materials, thread types, and applicable standards so procurement and maintenance teams can match existing installations or specify replacements. 3G Electric provides logistics support for international orders and can source additional RACO items beyond the listed catalog on request. Typical buyers include plant engineers, maintenance managers, and electrical contractors working on process plants, manufacturing facilities, water and wastewater systems, and commercial infrastructure where conduit systems must meet code and environmental requirements. The RACO range is used across raceway installations that require mechanical protection for conductors, transitions between conduit types, and liquid-tight terminations in washdown or outdoor locations. Because the fittings are standardized by trade size and thread form, they interchange with common North American conduit systems and are frequently stocked as maintenance spares. 3G Electric's catalog entries for RACO include the MPN, trade size, material, and standard listings, allowing buyers to verify compatibility before ordering. For projects requiring mixed conduit types, RACO offers transition fittings such as flex-to-EMT couplings and liquid-tight connectors for metallic and nonmetallic flexible conduit. The brand's product families are organized around installation function: termination, coupling, direction change, and enclosure. This structure helps specifiers select the correct fitting for each point in a raceway run without custom fabrication. 3G Electric maintains inventory visibility across the RACO line and supports quotation requests with specification-level detail.

Common Applications

  • Industrial machinery — RACO liquid-tight connectors (e.g., 3520-3, 3414) terminate flexible metallic conduit at motor and control enclosures.
  • Water and wastewater treatment — RACO 90-degree liquid-tight connectors (e.g., 3430) route conduit in washdown and outdoor areas requiring liquid-tight terminations.
  • Commercial electrical raceways — RACO short elbows (e.g., 1/2 in and 3/4 in iron elbows) change direction in IMC and RMC runs per UL 514B.
  • Panel and equipment wiring — RACO flex screw-in couplings (e.g., 2272) join sections of 1/2 in flexible conduit between machines and junction points.
  • Raceway transitions — RACO flex-to-EMT couplings (e.g., 1482, 1483) connect flexible conduit to EMT in mixed raceway installations.
  • Maintenance and repair — RACO conduit fittings and boxes are stocked as spares for replacing damaged terminations and couplings in existing raceways.

Frequently asked questions

Common questions about RACO from 3G Electric.

What is the difference between RACO insulated and non-insulated liquid-tight connectors?

RACO liquid-tight connectors are available with an insulated throat or a non-insulated design. Insulated models have a plastic liner at the conduit entry to protect conductor insulation from abrasion at the fitting throat. Non-insulated models are used where the installation does not require that protection or where a separate insulating bushing is specified. Both types are made of steel or malleable iron and have NPT threads for terminating flexible metallic liquidtight conduit. Some RACO liquid-tight connectors also include an external bonding jumper to maintain grounding continuity across the fitting. Selection depends on the raceway specification, conductor type, and the applicable electrical code requirements for the installation.

What trade sizes are available in RACO liquid-tight conduit fittings?

RACO liquid-tight conduit fittings are cataloged in trade sizes from 3/8 in through 4 in, with some families extending to larger sizes. The sample catalog includes 2-1/2 in and 3-1/2 in straight connectors and a 2-1/2 in 90-degree connector. Threads are NPT, with examples such as 2-1/2-8 and 3-1/2-8. Configurations include straight, 45-degree, and 90-degree bodies, in insulated and non-insulated versions. Material options include steel and malleable iron. Buyers should confirm the trade size and thread form against the conduit and enclosure being connected, since liquid-tight fittings are sized to specific conduit trade sizes and are not interchangeable across sizes.

How do RACO flex-to-EMT couplings work?

RACO flex-to-EMT couplings, such as the 1482 and 1483, join flexible conduit to electrical metallic tubing. They are zinc screw-in/compression fittings: the flexible conduit end is secured by the screw-in feature, and the EMT end connects by compression. This provides a mechanical transition between two raceway types without additional adapters. They are used where a run changes from flexible conduit to EMT, for example at equipment connections or where vibration isolation is needed at the end of a rigid raceway. Trade sizes include 1/2 in and 3/4 in in the sample catalog. Installers should verify that the flexible conduit type and EMT size match the coupling's listed compatibility before installation.

What are RACO short elbows used for?

RACO short elbows are 90-degree iron fittings used to change direction in rigid metal conduit and intermediate metal conduit runs. They have NPT male-to-female threads and are listed to UL 514B. The sample catalog includes 1/2 in and 3/4 in trade sizes with overall lengths of approximately 2-1/16 in and 2-3/32 in respectively. They are installed where a raceway must turn a corner, such as at wall penetrations, along structural members, or at equipment entries. Because they are threaded, they require the conduit to be threaded to match. They are part of the RACO conduit fitting family and are selected by trade size and thread type to match the raceway.

Are RACO conduit fittings UL listed or CSA certified?

Many RACO conduit fittings carry UL listings or CSA certification, and the specific standard depends on the product family. For example, RACO short elbows are listed to UL 514B, and certain liquid-tight connectors are CSA Certified. The product data for each item should be checked for the applicable listing or certification before specifying or installing. 3G Electric's catalog entries include standards information where available. Because listings can vary by model and revision, buyers should confirm the current certification for the exact manufacturer part number being ordered, especially for projects requiring third-party inspection or code compliance documentation.

What materials are used in RACO flexible conduit couplings?

RACO flexible conduit couplings in the sample catalog are made of zinc. This includes the 2272 flex screw-in coupling for 1/2 in trade size flexible conduit and the 1482 and 1483 flex-to-EMT couplings for 1/2 in and 3/4 in trade sizes. Zinc is used for these fittings because it can be die-cast into the required threaded and compression geometries and provides corrosion resistance in typical indoor and protected outdoor locations. For more severe environments, buyers should review the specific fitting's material and finish data. The couplings are designed to join sections of flexible conduit or transition flexible conduit to EMT, and they are selected by trade size and conduit type.