Electrical Supplies
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Square D QO220CP 20 Amp 2-Pole Circuit Breaker
Model #: QO220CP If you’re looking for the gold standard in electrical protection, the Square D QO220CP isn't just a breaker—it’s peace of mind for your panel. Designed for those who don’t want to gamble with their 240V circuits, this 20 Amp, 2-Pole breaker is the industry favorite for a reason. The "Visi-Trip" Advantage: Stop playing the guessing game. When this breaker trips, a highly visible red indicator snaps into view, making it instant and easy to identify the problem circuit in a dark basement or garage. Rapid Installation: The QO (Quick-Open) design features a plug-on mounting system that is remarkably fast to install, fitting seamlessly into any QO load center or NQ panelboard. Engineered Reliability: It’s built with a high-speed "over-center" toggle mechanism and a trip-free handle that allows the breaker to trip even if the handle is held in the 'ON' position. Dual-Pole Power: Perfect for heavy-duty 240V applications like small air conditioners, well pumps, or dedicated workshop tools. Location: Engineering Lab
$40.87 $25.00
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Square D QO330CP 30 Amp 3-Pole Plug-In Circuit Breaker
Model #: QO330CP If you’re looking for the gold standard in electrical protection, the Square D QO330CP is the industry benchmark for a reason. It’s not just a breaker; it’s peace of mind for high-demand three-phase systems. The "Visi-Trip" Advantage: No more guessing which breaker tripped in a dark electrical room. The highly visible red indicator snaps into view the moment the breaker cuts power, saving you diagnostic time and frustration. Unmatched Reliability: Designed with a unique plug-on connection, it offers a more secure, vibration-resistant fit compared to standard competitive models. Compact 3-Pole Power: Delivering 30 Amps of reliable protection in a space-saving footprint, it’s perfect for HVAC units, small motors, and light industrial machinery. Built to Last: Engineered by Schneider Electric, the QO line is famous for its longevity and "first-time-right" installation. Location: Engineering Lab
$160.57 $110.00
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Square D QOB360 60A 3-Pole Miniature Circuit Breaker
Model #: QOB360 If you're looking for the gold standard in commercial electrical protection, the Square D QOB360 is the industry workhorse you want in your panel. It’s not just a breaker; it’s a "set it and forget it" solution for high-demand 3-phase circuits. The "Bolt-On" Advantage: Unlike standard plug-on breakers, the QOB (Quick-Open Bolt-on) series features a secure, vibration-resistant connection to the bus bar. This makes it the ideal choice for industrial environments where reliability is non-negotiable. Visi-Trip™ Technology: No more guessing games during a power outage. The high-visibility red indicator makes it instantly clear which circuit has tripped, slashing your diagnostic time and getting operations back online faster. Built for Heavy Lifting: Rated at 60A and 240V, this 3-pole unit is specifically engineered to handle the rigorous startup loads of HVAC units, large motors, and commercial machinery. Unmatched Heritage: Square D by Schneider Electric is the most trusted name in the trade. When you install a QO-series breaker, you’re installing a component known for its lightning-fast trip response and decade-spanning durability. Location: Engineering Lab
$81.80 $50.00
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Siemens Q120AFCP Combination Type Arc-Fault Circuit Interruptor
If you're looking for the ultimate "install and forget" solution for modern residential safety, the Siemens Q120AFCP is it. This isn't just a breaker; it's a 20-Amp, 120V powerhouse designed to stop electrical fires before they even start. Dual Protection: It provides Combination Type protection, meaning it detects both high-energy parallel arcs and low-energy series arcs. Most older breakers simply can't "see" these subtle flickers in damaged cords or loose wires. Plug-On Neutral Design: No pigtails. This means a much cleaner gutter in the load center and a significantly faster installation time—saving you money on labor or a headache on a DIY project. LED Diagnostics: Stop the guessing game. The Q120AFCP features integrated LED trip indicators that tell you exactly why the breaker tripped, whether it was an arc fault, a ground fault, or a standard overload. Code Compliance: Fully compliant with the latest NEC® requirements for arc-fault protection in kitchens, family rooms, bedrooms, and more. Location: Engineering Lab
$60.00 $40.00
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Digital Innovation - Steel City 52151-CVN 4" Square Box Steel
Model #: 52151-CVN Location: Engineering Lab Built-In Versatility: This 4-inch square box features a CV Bracket, allowing you to mount it quickly to wood or metal studs with a consistent 7/8-inch offset for drywall. Integrated Cable Clamps: No need to buy separate connectors. The Non-Metallic (NM) cable clamps are built right in, saving you money on parts and time on assembly. Maximum Capacity: With a 21.0 cubic inch capacity, you have plenty of room for wire nuts and deep devices without having to "force" everything back into the wall. Durability: Made from high-grade galvanized steel, it’s fire-rated and built to withstand the rigors of a busy job site.
$11.00 $7.70
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Steel City RS8 4 in. Square Box Surface Steel Metallic Cover Double Duplex
Pick up In-Store Only Model #: RS8 Built to Last: Manufactured from high-quality, galvanized steel, this cover is designed to withstand impacts and resist corrosion better than plastic or flimsy alternatives. Perfect Fit: Specifically engineered for 4-inch square surface-mounted boxes, ensuring a flush, professional finish every time. Double the Power: Designed for a Double Duplex configuration, allowing you to maximize your outlet capacity in a single compact footprint. Quick Install: Includes all necessary screws, so you spend less time fumbling with hardware and more time getting the job done. Location: Engineering Lab
$3.38 $2.36
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Allied Moulded LVP-2 Low Voltage Divider Plate
Pick up In-Store Only Model #: LVP-2 Code Compliance Made Easy: Meets NEC requirements for separating different voltage classes within the same enclosure. No more "creative" DIY cardboard or tape solutions. Universal Fit: While it’s optimized for Allied’s P-240, P-442, and P-763 series, its slide-in design makes installation a five-second task. Non-Metallic Advantage: Made from high-impact PVC, it won’t interfere with wireless signals or conduct heat/electricity where you don’t want it. Clean Signal, Happy Customer: Prevents electromagnetic interference (EMI) from power lines from bleeding into data lines, ensuring the homeowner's 4K stream doesn't stutter. Location: Engineering Lab
$1.87 $1.30
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Carlon B3445AB 3-Gang 44 cu. in. Electrical PVC New Work Electrical Switch and Outlet Box
Pick up In-Store Only Model #: B3445AB Maximum Volume, Minimum Hassle With a massive 44 cubic inches of interior space, you can say goodbye to "box fill" headaches. It comfortably houses triple-gang switches, dimmers, or GFCI outlets without you having to force-feed the wiring into the wall. Rock-Solid Stability Forget flimsy installs. This box features heavy-duty angled nails and a wraparound bracket. It bites into the stud and stays level, ensuring your faceplates sit flush against the drywall every single time. Built for Speed Integrated Cable Clamps: No separate connectors required—just slide your Romex in and it’s locked. PVC Durability: It won’t rust, corrode, or conduct electricity, making it safer and longer-lasting than metal alternatives. Blue Industry Standard: Recognizable quality that inspectors trust and pros prefer. Location: Engineering Lab
$4.77 $3.33
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Carlon B455A-UPC 4-Gang Switch Box w/Nail & Clamp
Pick up In-Store Only Model #: B455A-UPC The Professional’s Choice: Carlon 4-Gang Work Box Built for Speed and Durability Massive Capacity: With 55 cubic inches of space, you’ll never have to struggle with "wire stuffing" again. It comfortably fits four switches or outlets with plenty of room for wiring. Engineered Toughness: Made from high-quality, non-metallic PVC, it won't rust, corrode, or conduct electricity, ensuring a lifetime of safety. Installation Made Easy Captive Nails: Features pre-installed angled nails for ultra-fast, consistent mounting to wood studs. Built-in Clamps: Forget the extra hardware. The integrated cable clamps secure your Romex or non-metallic sheathed cable instantly. UL Listed: Fully certified for masonry walls and residential framing, so you can pass inspection without a second thought. Location: Engineering Lab
$23.36 $16.35
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Steel City 806-SW-1/4 Switch Box Steel
Pick up In-Store Only Model #: 806-SW Built for Durability: Constructed from high-quality, galvanized steel, it provides superior protection for your wiring and devices compared to plastic alternatives. Easy Installation: Featuring 1/4" offsets and specialized mounting ears, it’s designed to sit flush and secure, saving you time and frustration during the rough-in phase. Gangable Design: Its modular construction allows you to easily remove the sides and "gang" multiple boxes together, offering maximum flexibility for multi-switch setups. Code Compliant: It meets all UL standards, ensuring your project is safe, up to code, and built to last for decades. Location: Engineering Lab
$10.84 $7.58
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Leviton 88001 Residential White Toggle Light Switch Cover Wall Plates Switchplates
Pick up In-Store Only Model #: 88001 Unmatched Durability: Molded from high-impact thermoset plastic. It resists fading, discoloration, and grease, making it perfect for high-traffic kitchens and mudrooms. The "Clean" Aesthetic: The high-gloss white finish isn't just easy to wipe down; it provides a crisp, modern look that blends seamlessly into any residential interior. Stress-Free Install: It comes with color-matched metal screws. No hunting for hardware or dealing with mismatched whites—just a 60-second swap and you're done. Safety First: Non-combustible and UL listed, ensuring your home meets safety standards without sacrificing style. Quantity of 20 covers in each box Location: Engineering Lab
$15.99 $11.19
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Halex 58605 1/2 in. Rigid Standard Fitting Type-LB Threaded Aluminum Conduit Body
Pick up In-Store Only Model #: 58605 Seamless Wire Pulling The "LB" (Left-Back) configuration provides a 90° bend that acts as a pull outlet. It’s designed to make feeding heavy-duty conductors through rigid or IMC conduits significantly easier, preventing insulation damage and saving you hours of frustration on the job site. Built for the Elements Crafted from die-cast copper-free aluminum, this body is naturally corrosion-resistant. It’s built to survive harsh weather, high humidity, and industrial environments without rusting out or seizing up over time. Precision Engineering Threaded Hubs: Features clean, deep threads for a secure, liquid-tight fit when used with appropriate sealants. Ready to Go: Comes complete with a NEMA-rated gasket and a matching aluminum cover, ensuring your wiring stays dry and debris-free from day one. UL Listed: Meets rigorous safety standards, giving you peace of mind that your electrical infrastructure is up to code. Location: Engineering Lab
$5.85 $4.09