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RACO Rigid Compression Connector: Iron/Steel, 4 in Trade Size - Connectors for Heavy-Wall RMC & Medium-Wall IMC Metal Conduit
RACOConnectors for Heavy-Wall RMC & Medium-Wall IMC Metal Conduit

RACO Rigid Compression Connector: Iron/Steel, 4 in Trade Size

The RACO Rigid Compression Connector (MPN 1816) is a threaded, male-thread connector for heavy-wall RMC and medium-wall IMC metal conduit. It has a 4 in trade size, 4-1/2 in overall length, and a zinc-plated finish…

SKU 3G-OTH-05488

Brand
RACO
Item
Rigid Compression Connector: Iron/Steel, 4 in Trade Size
Category
Connectors for Heavy-Wall RMC & Medium-Wall IMC Metal Conduit
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Technical Specifications

RACO
Manufacturer Part Number
1816
Finish
Zinc Plated
UNSPSC
39121311
Insulated
No
Standards
CSA Certified
Trade Size
4 in
Thread Size
4"-8
Thread Type
NPS
For Use With
RMC
Overall Width
5-7/8 in
Thread Gender
Male
Overall Length
4-1/2 in
Connection Type
Threaded
For Conduit Type
IMC
Country of Origin
China (subject to change)
Compatible Conduit Type
RMC
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RACO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The RACO Rigid Compression Connector (MPN 1816) is a threaded, male-thread connector for heavy-wall RMC and medium-wall IMC metal conduit. It has a 4 in trade size, 4-1/2 in overall length, and a zinc-plated finish. This CSA Certified connector features a 4"-8 NPS thread and is not insulated.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the RACO rigid compression connector used for?

The RACO rigid compression connector (MPN 1816) is used to join heavy-wall RMC and medium-wall IMC metal conduit to junction boxes or enclosures. It provides a threaded, male connection with a zinc-plated finish for corrosion resistance. Typical applications include industrial electrical installations, commercial buildings, and infrastructure projects requiring durable conduit terminations.

What are the specifications of the RACO 1816 connector?

The RACO 1816 connector has a 4 in trade size, 4-1/2 in overall length, and a 4"-8 NPS male thread. It is zinc-plated, non-insulated, and CSA Certified. The connector is designed for use with RMC and IMC conduit, with an overall width of 5-7/8 in. It is manufactured by RACO and sourced globally by 3G Electric.

Where to buy the RACO 1816 connector worldwide?

You can order the RACO 1816 rigid compression connector from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact our team for availability and lead time. 3G Electric sources genuine RACO products for industrial applications.

How to install a RACO rigid compression connector?

To install the RACO 1816 connector, thread the male NPS end into a compatible enclosure knockout. Insert the RMC or IMC conduit into the connector body and tighten the compression nut securely using a wrench. Ensure the connection is snug to maintain grounding continuity. Always follow local electrical codes and manufacturer guidelines for proper installation.

Used in

Common applications for RACO
Industrial power distribution — RACO grounding bushings (MPN 1294) for bonding conduit in panelboards and switchgear.
Commercial conduit transitions — RACO reducing bushings (MPN 1155) for downsizing RMC or IMC runs in electrical rooms.
Life safety alarm circuits — RACO steel electrical boxes (MPN 911-9) for housing fire alarm and emergency lighting connections.
Outdoor service entrances — RACO rigid/IMC hubs (MPN 1716) for weatherproof conduit terminations at meter sockets.
Conduit support in cable trays — RACO surface mount clamps (MPN 1304) for securing IMC or RMC to structural steel.
Multi-gang junction boxes — RACO 4-inch square boxes (MPN 189H) with covers for splicing circuits in commercial ceilings.

RACO Products

3G Electric supplies RACO connectors for heavy-wall rmc & medium-wall imc metal conduit. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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