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RACO 1816 Rigid Compression Connector - Connectors for Heavy-Wall RMC & Medium-Wall IMC Metal Conduit
RACOConnectors for Heavy-Wall RMC & Medium-Wall IMC Metal Conduit

RACO 1816 Rigid Compression Connector

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
1816 Rigid Compression Connector
Category
Connectors for Heavy-Wall RMC & Medium-Wall IMC Metal Conduit
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

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

Technical Documents

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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.

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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Threaded male connector for joining heavy-wall RMC and medium-wall IMC metal conduit. Zinc-plated finish, 3 in trade size, 3"-8 NPS thread, 4 in overall length. CSA certified, non-insulated. Suitable for industrial conduit systems requiring a secure threaded connection
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Threaded male connector for joining heavy-wall RMC and medium-wall IMC metal conduit. Zinc-plated finish, 3 in trade size, 3"-8 NPS thread, 4 in overall length. CSA certified, non-insulated. Suitable for industrial conduit systems requiring a secure threaded connection
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Zinc-plated compression connector for connecting IMC conduit to boxes. Features 1 in trade size, 1-11/16 in overall length, and 1"-11-1/2 NPS male thread. CSA certified, non-insulated. Suitable for use in commercial and industrial conduit systems
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Zinc-plated steel compression connector for terminating heavy-wall RMC and medium-wall IMC metal conduit to boxes. Features male NPS threads (1-1/4"-11-1/2), 1-15/16 in overall length, and a non-insulated design. CSA listed
Steel connector for unthreaded RMC and IMC conduit. 1-1/4 in trade size, 1-3/4 in overall length, 2 in width. Zinc-plated finish, male NPS threads, set screw connection. Includes clamp. UL 514B listed. Used to join heavy-wall metal conduit in industrial wiring systems
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Steel connector for unthreaded RMC and IMC conduit. 1-1/4 in trade size, 1-3/4 in overall length, 2 in width. Zinc-plated finish, male NPS threads, set screw connection. Includes clamp. UL 514B listed. Used to join heavy-wall metal conduit in industrial wiring systems

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Threaded male connector for joining heavy-wall RMC and medium-wall IMC metal conduit to boxes or enclosures. Zinc-plated finish, 3-1/2 in trade size, 3-1/2"-8 NPS thread, overall length 4-5/16 in, width 5-3/8 in. CSA Certified, non-insulated
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Galvanized compression connector for joining heavy-wall RMC and medium-wall IMC metal conduit to boxes. Features 1/2 in trade size, 1-3/8 in overall length, and 1/2"-14 NPS female-to-male thread. CSA listed, not insulated
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Steel connector for unthreaded rigid metal conduit (RMC) and intermediate metal conduit (IMC). Zinc-plated finish, male NPS thread size 2", includes clamp. UL 514B listed. Used in electrical conduit systems for secure, grounded joints in industrial and commercial power distribution
This zinc-plated compression connector is used to terminate IMC metal conduit to boxes. It features male NPS threads (3/4"-14) and a 1-1/2 in overall length. CSA certified for dry or damp locations
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This zinc-plated compression connector is used to terminate IMC metal conduit to boxes. It features male NPS threads (3/4"-14) and a 1-1/2 in overall length. CSA certified for dry or damp locations
Threaded male connector for joining heavy-wall RMC and medium-wall IMC metal conduit. Zinc-plated finish. Trade size 2-1/2 in with NPS thread 2-1/2"-8. Overall length 3-7/8 in, width 4-1/8 in. CSA Certified. Suitable for industrial and commercial conduit terminations
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Threaded male connector for joining heavy-wall RMC and medium-wall IMC metal conduit. Zinc-plated finish. Trade size 2-1/2 in with NPS thread 2-1/2"-8. Overall length 3-7/8 in, width 4-1/8 in. CSA Certified. Suitable for industrial and commercial conduit terminations
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This compression connector joins IMC metal conduit to boxes in electrical systems. It has a 1 in trade size, male NPS threads, and a galvanized finish. The insulated design protects conductors, and it is CSA listed
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Steel connector with zinc-plated finish for joining unthreaded rigid metal conduit (RMC) and intermediate metal conduit (IMC) to boxes or enclosures. Features 1/2 in trade size, 1/2" male NPS threads, set screw connection, and includes clamp. UL 514B listed. Overall length 1-1/8 in, width 1-19/32 in