Electrical Supplies
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Steel City RS17-CC 4" Square Surface Cover
Pick up In-Store Only Model #: RS-17-CC Built Like a Tank: Heavy-duty galvanized steel construction ensures long-term protection against impacts and corrosion. Smart Design: The crushed-corner feature allows for easy installation even when the box is slightly recessed or tight against a surface. Universal Fit: Specifically designed for one toggle switch and one duplex receptacle, making it the most versatile "all-in-one" cover for your shop or warehouse. UL Listed: Fully compliant with safety standards, giving you peace of mind during inspections. Location: Engineering Lab
$9.70 $6.79
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Steel City RS5 4" Square Surface Cover
Pick up In-Store Only Model #: RS-5 Rugged Durability: Manufactured from high-quality, 1/16" galvanized steel. It’s built to withstand the bumps and scrapes of a busy shop or warehouse environment. Universal Fit: Specifically designed for one Single Toggle Switch. It mounts perfectly onto 4" square outlet boxes. Contractor-Friendly Install: Features slotted holes so you don’t have to completely remove the box screws to get it on. Slide it, tighten it, move on to the next one. UL Certified & Code Compliant: Meets all safety standards, ensuring your inspection goes off without a hitch. Professional Finish: The clean, galvanized look provides a sleek, industrial aesthetic that tells your client the job was done right. Location: Engineering Lab
$4.05 $2.83
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Steel City 52171-CVX Outlet Box Steel
Pick up In-Store Only Model #: 52171-CVX Integrated CV Bracket: Forget separate mounting brackets. The built-in CV bracket allows for fast, offset mounting to metal or wood studs, ensuring the box sits flush with the drywall every single time. Massive Capacity: With a 30.3 cubic-inch capacity and a 2-1/8" depth, you have all the room you need for deep-body devices, large wire nuts, and complex circuitry without the "wire-crush" headache. Knockout Versatility: Equipped with multiple 1/2" and 3/4" knockouts, giving you the flexibility to pivot on the fly when the conduit run changes. Steel City Reliability: It’s UL Listed and stamped with the quality of a brand that’s been the gold standard in electrical boxes for decades. Location: Engineering Lab
$18.15 $12.70
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Steel City LCOW-25 Switch Box Steel
Pick up In-Store Only Model #: LCOW-25 Gangable Design: Need more than one switch? Simply remove the sides to create a multi-gang configuration in seconds. Armored Cable/Flex Clamps: It comes pre-equipped with "L" clamps, making it perfect for BX (armored cable) or flexible metal conduit installations. Old Work Ready: Specifically designed with ears for easy mounting in existing walls (old work), ensuring a flush, secure fit every time. Rugged Construction: Made from high-quality galvanized steel, it provides superior durability and grounding compared to plastic alternatives. Location: Engineering Lab
$9.32 $6.52
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Steel City CX Switch Box
Pick up In-Store Only Model #: CX Built-In Cable Clamps: Forget hunting for extra parts. The CX comes with non-metallic (NM) cable clamps pre-installed, saving you minutes on every single box. Rock-Solid Stability: Made from high-grade galvanized steel, it won’t flex or warp under pressure like plastic alternatives. Versatile Mounting: Whether you’re dealing with wood or metal studs, the 'CX' design is built for a flush, secure fit every time. Gangable Design: Need more space? These boxes are easily gangable, giving you the flexibility to expand on the fly. Location: Engineering Lab
$10.70 $7.49
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RACO 150 4" Octagon 1-1/2" Deep Box w/Ears
Pick up In-Store Only Model #: 150 Maximum Versatility: The 4-inch octagon shape is the "gold standard" for mounting ceiling or wall lighting fixtures, smoke detectors, and carbon monoxide alarms. The "Ears" Advantage: Equipped with mounting ears, this box is specifically designed for remodel (old work) applications, allowing you to secure it directly to surfaces like drywall or plaster without needing a stud. Durable Construction: Made from high-quality, 1/16-inch thick galvanized steel. It’s fire-rated and won’t crack or warp under pressure like plastic alternatives. Optimized Space: With a 1-1/2" depth and a 15.5 cubic inch capacity, it provides just the right amount of room for standard wiring without becoming a bulky eyesore in shallow wall cavities. Ready for Anything: Features multiple 1/2" knockouts, giving you flexibility for conduit entry from any angle. Location: Engineering Lab
$3.87 $2.70
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Steel City 54151-1/2 4" Octagon Box Steel
Pick up In-Store Only Model #: 54151-1/2 Built to Last: Formed from high-quality, pre-galvanized steel, it offers superior corrosion resistance and structural integrity for long-term reliability. Maximum Versatility: The 1-1/2" depth provides ample room (15.5 cubic inches) for wiring, making it ideal for mounting light fixtures, smoke detectors, or serving as a robust junction box. Easy Access: Featuring five 1/2" knockouts (four on the sides, one on the bottom), it allows for flexible conduit entry points, saving you time during layout. Code Compliant: UL Listed and ready for commercial or residential inspection right out of the box. Location: Engineering Lab
$1.64 $1.14
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Steel City 521711234E Outlet Box
Pick up In-Store Only Model #: 521711234E When you're facing a massive rough-in, you need consistency and ease. Here is why the 521711234E is the go-to choice for pros: Maximum Capacity: As a 4-inch square, 2-1/8 inch deep box, it offers 30.3 cubic inches of space. That means no more "wire-fights" when installing bulky GFCIs or smart switches. The "Combo" Advantage: It features the sought-after "1/2 & 3/4" eccentric knockouts. Whether you’re pulling standard 1/2" EMT or need to step up to 3/4" for a heavier load, you have the flexibility right out of the gate. Built for Speed: The pre-installed 10-1/2" pigtail (ground wire) saves you from stripping wire and hunting for ground screws on every single box. It’s pre-grounded and ready to go. Rugged Reliability: Made from high-quality galvanized steel, it provides the structural integrity and fire-rated protection you expect from the Steel City brand. Location: Engineering Lab
$3.55 $2.48
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Steel City LXWOW-25 Switch Box Steel 12.5C Gangable Ear Non-Metallic Cable
Pick up In-Store Only Model #: LXWOW-25 Key Performance Features Ultimate Versatility (Gangable): Need more space? The gangable design allows you to easily remove the sides and combine multiple boxes to accommodate as many switches or outlets as the job requires. Non-Metallic Cable Ready: Specifically designed with "WOW" (With Out Walls) ears and internal clamps, making it the perfect companion for Romex or other non-metallic cables. Room to Breathe: With a 12.5 cubic inch capacity, you’ll have enough volume to manage your wiring without the "crowded box" headache. Steel Durability: Unlike plastic boxes that can crack or warp over time, this galvanized steel construction ensures a lifetime of structural integrity and fire resistance. Why Pros Choose It Level Installs: The integrated plaster ears keep the box flush against the drywall for a professional, clean finish every time. Code Compliance: Meets all UL standards, giving you peace of mind during inspections. Speed: The pre-installed cable clamps mean you spend less time fumbling with parts and more time finishing the circuit. Location: Engineering Lab
$6.71 $4.69
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Steel City 521511234EWGB Welded 1-1/2" Deep Box C/W Ground Bump
Pick up In-Store Only Model #: 521511234EWGB Why settle for a standard box when you can have one engineered for speed? This 4-inch square, 1-1/2" deep welded box is designed for contractors who value both safety and labor savings. Key Selling Points The "Ground Bump" Advantage: No more fumbling with separate grounding clips or extra hardware. The integrated ground bump with a pre-tapped hole ensures a fast, secure connection every time. Ultimate Versatility: Featuring "E-W" (Eccentric/Wide) knockouts, this box accommodates multiple conduit sizes (1/2" and 3/4"), giving you total flexibility on-site without needing to swap parts. Rugged Construction: Its welded steel design provides superior structural integrity compared to drawn boxes, ensuring it stays square and true during heavy-duty installs. Code Compliant: Fully UL listed and designed to meet rigorous NEC standards for volume and grounding. Location: Engineering Lab
$2.87 $2.00
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Carlon B118B 1-Gang Outlet Box
Pick up In-Store Only Model #: B118B The Carlon B118B is the definitive 1-gang "New Work" outlet box designed for residential and light commercial projects. It’s engineered to stay exactly where you put it. Fastest Installation in the Game: Equipped with pre-installed angled nails, you can secure this box to a stud in seconds without fumbling for extra hardware. Built to Last: Made from high-impact, lightweight PVC. It won’t shatter in cold weather or warp in the heat, and it’s naturally non-conductive and fire-rated. Room to Breathe: With an 18-cubic-inch capacity, it offers plenty of volume for modern smart switches or GFCI outlets without the "wire-cramming" struggle. Professional Precision: Features built-in leveling ribs for consistent alignment and knockouts that actually pop out cleanly every time. Location: Engineering Lab
$2.31 $1.61
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Steel City 52151-1234GB 1-Gang 4 in. New Work Metal Electrical Wall Box
Pick up In-Store Only Model #: 521511234GB Built-In "Ground Bump" Advantage The "GB" isn't just a suffix—it stands for the integrated grounding bump. This clever design feature allows you to ground your device directly to the box without a separate grounding pigtail, saving you significant time and material costs on every single stud. Maximum Versatility (1/2" & 3/4" Knockouts) Stop carrying five different boxes. This 4-inch square box features eccentric knockouts for both 1/2" and 3/4" conduit. Whether you're running standard power or beefier data lines, this box handles it all without a fight. "New Work" Efficiency Designed specifically for new construction, the 1-1/2" depth provides 21.0 cubic inches of space. That’s plenty of room for modern smart switches, dimmers, or GFCI outlets that usually struggle to fit in shallower boxes. Bulletproof Durability Pre-Galvanized Steel: Provides superior corrosion resistance. Structural Integrity: Unlike PVC, this metal box won't warp, melt, or crack under pressure or extreme temperatures. UL Listed: Meets all safety codes for commercial and residential applications. Location: Engineering Lab
$2.30 $1.61