Circuit Breakers

Circuit Breakers vs. Fuses: Choosing the Right Circuit Protection for Your Application 

When comparing circuit breaker vs fuse options for a commercial vehicle, marine electrical system, RV power distribution panel, or work truck accessory installation, circuit protection is one of the most critical considerations Overcurrent conditions caused by short circuits, faulty equipment, or excessive loads can quickly damage wiring, components, and connected devices. Fortunately, both circuit breakers […]

Basic 12V Wiring Diagram Components and Symbols

Every wiring diagram—no matter how simple or complex—is built from a few core elements. Understanding these categories makes it much easier to break down and interpret any system. Once you can identify these six elements in a diagram, you can quickly understand how the system operates. Common Electrical Wiring Symbols (With Examples) Power Source (Battery) […]

What are Electrical Wiring Diagrams

Electrical wiring diagrams are the universal language of electrical systems. Whether you’re working on a vehicle, boat, trailer, piece of heavy equipment, or an off-grid setup, wiring diagrams provide a clear and standardized way to understand how everything connects. Instead of relying on lengthy written explanations, these diagrams use simple symbols to represent components like […]

12V Wiring Fundamentals Pt. 2

12V Circuit Protection for Automotive & Trailer Applications  Once your wiring fundamentals are in place from Pt 1, the next step is protecting your system from electrical and mechanical hazards. Proper 12V circuit protection, mechanical safeguards, and thoughtful design are essential to prevent overloads, short circuits, abrasion, moisture damage, and heat-related failures.  This guide covers […]

Types of Circuit Breakers Explained

Although there are many types of breakers, the main three we will go over are standard, high-amp, and blade. These automatic electrical switches are put in place in order to protect a circuit from excess current. A circuit breaker detects a fault and interrupts the current flow. A circuit breaker functions a lot like a […]

New Product Announcement: 3/8″ Stud Hi-Amp Circuit Breakers

Del City has expanded its Hi-Amp Circuit Breaker offering to include the 3/8”Stud Hi-Amp Circuit Breakers. Previously, these were only offered in 1/4” stud. The 3/8” Hi-Amp Stud Circuit Breakers allow for higher torque connections and wider space for heavy gauge wire lugs. Beyond the 150A the current line goes up to, the 3/8” line […]