Set-Screw EMT Connector, Insulated
Trade sizes 1/2" – 4". Yellow insulated throat.
Product catalog
A full line of professional-grade fittings.
From set-screw connectors to conduit bodies, hubs to grounding — SPEC covers the hardware side of your bill of materials.
01 · Steel & Zinc Set-Screw / Compression
EMT Fittings
Set-screw and compression connectors and couplings for Electrical Metallic Tubing. Insulated throats color-coded by trade size, concrete-tight and rain-tight variants available.
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Set-Screw EMT Coupling
Zinc-plated steel. Concrete-tight when taped.
Rain-Tight Compression Connector
Wet locations. Gasketed body with insulated throat.
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Compression EMT Coupling
Concrete-tight and rain-tight for wet/damp locations.
02 · Type LB, LL, LR, C, T & X
Conduit Bodies
Malleable iron and aluminum conduit bodies for pull, branch, and access points in threaded rigid and IMC systems. Includes covers and gaskets.
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Type "LB" Conduit Body — Aluminum
Threaded hubs, form 7. Sizes 1/2" – 4".
Type "T" Conduit Body — Aluminum
Three-way branch. Threaded hubs.
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Type "C" Conduit Body — Malleable Iron
Straight pull-through access.
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Covers & Gaskets
Stamped steel and neoprene, all body sizes.
03 · FS, FD & Weatherproof
Boxes & Covers
Cast FS/FD device boxes, extension rings, and weatherproof covers built for tough commercial and industrial installations.
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FS Single-Gang Device Box
Cast aluminum, integral bosses, tapped hubs.
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FD Deep Single-Gang Box
Extra depth for larger devices and wire fills.
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Weatherproof Covers
GFCI, toggle, and blank in stamped and cast.
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Extension Rings
Match FS/FD footprints, 1-1/2" and 2" depth.
04 · Grounding, Sealing & Insulating
Hubs & Bushings
Conduit hubs, insulated bushings, grounding bushings, and reducing washers — the small pieces that make every install code-compliant.
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Watertight Conduit Hub, Insulated
For sheet metal enclosures. Neoprene O-ring.
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Insulated Metallic Bushing
150°C rated thermoplastic insert.
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Grounding Bushing with Lay-In Lug
Copper lug, sizes 1/2" – 4".
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Reducing Washers
Steel, plated. Sold in matched pairs.
05 · Threaded Steel Connectors
Rigid & IMC Fittings
Threaded couplings, nipples, and connectors for rigid and intermediate metal conduit systems.
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Threaded Rigid Coupling
Hot-dip galvanized steel.
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Three-Piece Erickson Coupling
For joining fixed rigid conduit runs.
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Rigid Nipples
Close, chase, and cut lengths, 1/2" – 4".
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Rigid to EMT Combination Coupling
Transition fittings for mixed systems.
06 · Straight, 45° & 90° Sealtite
Liquidtight Fittings
Non-metallic and metallic liquidtight flexible conduit fittings for wet, oily, and vibration-prone environments.
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Straight Liquidtight Connector
Steel with insulated throat and sealing gland.
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45° Liquidtight Connector
For tight bends near motors and equipment.
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90° Liquidtight Connector
Zinc die-cast with nylon insulator.
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Non-Metallic Liquidtight Connector
Corrosion-resistant polypropylene body.
07 · Lugs, Clamps & Rods
Grounding & Bonding
Ground clamps, mechanical lugs, split-bolt connectors, and ground rods that keep systems safe and to code.
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Bronze Ground Rod Clamp
For 1/2" – 3/4" copper-clad rods.
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Mechanical Lugs
Aluminum-bodied, tin-plated. Dual-rated.
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Split-Bolt Connectors
High-copper alloy, UL 486A/B listed.
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Copper-Clad Ground Rods
8' and 10' lengths, 5/8" and 3/4" diameter.
08 · Conduit Fastening Hardware
Straps & Supports
One-hole and two-hole straps, mineralac clamps, and standoff supports for EMT, rigid, and IMC conduit.
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One-Hole EMT Strap
Steel, zinc-plated. Sizes 1/2" – 4".
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Two-Hole Rigid Strap
Heavy-gauge for larger runs.
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Mineralac Clamp-Backs
For fastening to wood or masonry.
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Conduit Standoff Supports
1/4" offset for wet/damp locations.