SEPCO S1116 Series Zinc-Plated...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$0.38
SEPCO S1116 Series Zinc-Plated Steel EMT Set-Screw Coupling

SEPCO S1116 Series Zinc-Plated Steel EMT Set-Screw Coupling

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Model: S1113

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

$0.38
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SEPCO S1116 Series Zinc-Plated Steel EMT Set-Screw Coupling

The SEPCO S1116 Series Zinc-Plated Steel EMT Set-Screw Coupling joins two lengths of EMT (Electrical Metallic Tubing) conduit into a single, continuous raceway using a tool-only set-screw connection. Built from zinc-plated steel for corrosion resistance and mechanical strength, this coupling is available in trade sizes from 1/2" through 4", covering common branch-circuit and larger feeder conduit runs. The slip-fit body and set-screw design let electricians make up a secure mechanical and electrical connection without soldering, welding, or compression tools, making it a straightforward, code-familiar way to extend or repair EMT conduit on commercial, industrial, and residential jobs.

Key Features

  • Trade Size Range: Offered in trade sizes from 1/2" through 4" to match the EMT conduit size used on the job.
  • Durable Construction: Zinc-plated steel body resists corrosion and rust while standing up to the physical demands of conduit installation and handling.
  • Set-Screw Connection: A set-screw design lets installers make up a secure mechanical and electrical bond between EMT conduit sections using only a screwdriver or nut driver, with no soldering or threading required.
  • EMT Compatibility: Sized and designed specifically for use with EMT conduit, keeping the raceway system consistent from run to run.
  • Secure Raceway Continuity: Once tightened, the coupling holds conduit sections in solid alignment, supporting continuous grounding and a rigid mechanical path through the raceway.
  • Field-Friendly Installation: The slip-fit, set-screw style is quick to install and reposition during rough-in, helping crews keep conduit runs moving on schedule.
  • Zinc-Plated Finish: The plated finish provides a clean, uniform surface that helps the fitting hold up in typical indoor electrical environments.

Technical Specifications

  • Connection Type: Set Screw
  • Trade Size: 1/2" - 4"

Typical Applications

  • Commercial and Industrial Electrical Installations
  • EMT Conduit and Raceway Systems
  • Conduit Run Extensions and Repairs
  • New Construction Electrical Rough-In
  • Renovation and Retrofit Wiring Projects

Why SEPCO?

SEPCO builds the S1116 Series EMT set-screw coupling from zinc-plated steel, giving electricians a fitting that combines corrosion resistance with the mechanical strength needed for dependable conduit connections across the full 1/2" through 4" size range. The straightforward set-screw design keeps installation simple and repeatable across the job, helping crews maintain a solid, continuous EMT raceway from panel to device. For electricians who need a reliable, no-fuss coupling for everyday EMT work, the SEPCO S1116 Series is a practical, code-familiar choice.

Manufacturer Resources

SEPCO Product Catalog

Product Specs

list_batch:
SEP-20260911
Product Type:
Conduit Coupling
Connection Type:
Set Screw
Product Finish:
Zinc-Plated
Department:
Electrical
Product Group:
Conduit & Raceway
Product Subgroup:
Conduit Fittings
Product Material:
Steel

SEPCO S1113 – Frequently Asked Questions

1) Will a SEPCO S1116 set-screw coupling work on rigid or IMC conduit, or only EMT?
EMT only. The S1116 Series is sized and built for Electrical Metallic Tubing, using a slip-fit body that the tube slides into before the set screws are tightened. Rigid and IMC are threaded and have different outside diameters, so a threaded coupling or a rigid-to-EMT combination coupling is the right part for those runs.
2) What trade sizes does the SEPCO S1116 EMT coupling come in, and what part number do I order for each?
Ten trade sizes cover 1/2 inch through 4 inch: 1/2 inch is S1113, 3/4 inch S1114, 1 inch S1115, 1-1/4 inch S1115A, 1-1/2 inch S1115B, 2 inch S1115C, 2-1/2 inch S1115D, 3 inch S1115E, 3-1/2 inch S1115E1, and 4 inch S1115F. Order by the trade size of the EMT you are joining, not by the tube's measured outside diameter.
3) Can I use these steel EMT couplings outdoors or in a wet location?
The S1116 coupling is a zinc-plated steel set-screw fitting, and set-screw fittings are not raintight. The plating resists corrosion and rust for typical indoor electrical environments, which is where this style belongs. For exposed exterior or wet locations, use a compression (raintight) EMT coupling instead.
4) What tools do I need to install a set-screw EMT coupling, and do I have to thread the conduit?
A screwdriver or nut driver is all it takes. The tube slips into the body and the set screws clamp it, so there is no threading, soldering, welding, or compression tool involved. That also means you can back the screws off and reposition a run during rough-in without cutting anything.
5) Does a set-screw coupling maintain the equipment grounding path through an EMT run?
Yes. Once the screws are tightened onto the tube, the steel body holds both conduit sections in solid alignment and carries a continuous mechanical and electrical bond, which is what keeps the EMT raceway usable as a grounding path. Screws left loose or only hand-snug are the usual cause of a failed continuity check, so torque each one down.
6) Should I use a set-screw or a compression coupling for indoor commercial EMT work?
For dry indoor branch-circuit and feeder runs, set-screw is the faster and more common choice, and the S1116 covers 1/2 inch to 4 inch so one style handles the whole job. Compression couplings earn their place where the location is damp or wet, or where a spec sheet calls for raintight fittings. Both make up EMT without threading.
7) I need to splice into an existing EMT run without cutting the whole thing out. Is a coupling like this the right fix?
That is one of the jobs the S1116 is made for. Cut out the damaged section, slide in a new piece of EMT, and slip a coupling over each joint, then tighten the screws. Because nothing threads and nothing has to spin, you can make up both ends in place on a fixed run, which a threaded coupling will not let you do.
8) Can I stock one coupling type across a whole building's EMT raceway system?
For a facility standardizing on EMT, the S1116 Series runs from 1/2 inch through 4 inch in a single set-screw, zinc-plated steel design, so branch circuits and larger feeders use the same fitting style and the same install method. That keeps the fitting bin simple and makes every joint on the property repeatable for maintenance crews.
How fast can I get the SEPCO S1113 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 SEPCO S1113 come with a warranty?
Absolutely. The SEPCO S1113 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 SEPCO S1113?
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
Why buy the SEPCO S1113 from ZenSupply?
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