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 […]

comparing solid state and mechanical relays in an image side by side

Solid State vs. Mechanical Relays: A Comprehensive Comparison

Relays are fundamental components in electrical systems, allowing a low-power control signal to safely switch higher-power circuits. From automotive wiring and industrial automation to commercial equipment and DIY electronics, relays provide a reliable way to control power without running heavy current through sensitive switches or control modules.  While the end function of most relays is the same—controlling […]

How to Create a Long Lasting UL-Rated Crimp with Heat Shrink and a Ratcheting Crimper 

Electrical connections are the backbone of any reliable system, and safety starts with a proper crimp. A poor crimp can lead to voltage drops, overheating, or even system failure. That’s why UL-rated crimps are the gold standard. They ensure your connections meet rigorous safety and performance requirements. In this guide, we’ll walk through how to create a proper UL-rated crimp […]

Compare the Best Ratcheting Crimpers for Precision Electrical Work

Choosing the right ratcheting crimp tool can make all the difference in electrical, automotive, and industrial wiring projects. Ratcheting crimpers deliver consistent, secure crimps thanks to a mechanical ratcheting mechanism that only releases once a full crimp is achieved, preventing under-crimping or over-crimping and improving connection reliability on every job. In this comparison, we’ll break […]

Group of terminals for a secure 12v connection

How to Get the Best 12V Electrical Connection with Heat Shrink Terminals

In a 12-volt DC environment (automotive, marine, trailer, auxiliary power, etc.) poor connections cause voltage drop, heat, corrosion, intermittent faults and early failure. For example: loose wire-to-terminal contact = higher resistance → more power loss → heat → oxidation → further degradation. A robust terminal solution reduces resistance, limits ingress of moisture/contaminants and resists vibration […]

12V Switch Wiring Diagrams

When working on 12V automotive or industrial electrical projects, visualizing how a switch functions can be the key to wiring it correctly—and safely. While terms like SPST, SPDT, DPST, and DPDT may sound like alphabet soup at first, they each represent a specific type of switch with a unique wiring configuration. To make things clearer, […]

Why Drossbach Rigid Wire Loom?

The Drossbach branded wire loom is widely recognized as a high-quality, professional-grade conduit, especially within automotive, industrial, and OEM applications. Here’s how it typically compares to other wire loom brands on the market: Key Differences Between Drossbach and Other Brands Feature Drossbach Wire Loom Generic or Other Brands Material Quality Standard PE material is available.Non-Standard […]

Power Up with Confidence: A Guide to Battery Chargers for RELiON Lithium Batteries at Del City

When it comes to powering your RV, marine vessel, golf cart, or solar system, RELiON Lithium Batteries are a top choice for their lightweight design, long life cycles, and maintenance-free operation. Available at Del City, these lithium iron phosphate (LiFePO4) batteries, including the InSight, Legacy, High Performance (HP) and Low Temperature (LT) Series, offer reliable performance for deep cycling and green energy solutions. To keep these batteries performing at their best, you need a compatible charger that ensures safe and efficient charging. In this blog post, we’ll explore the battery chargers available at DelCity.net that work seamlessly with RELiON Lithium Batteries.

Ancor Duplex and Triplex Tinned Marine Cable

Ancor Marine Grade Tinned Duplex and Triplex Cable: Solutions for Marine

Del City is now offering a range of Ancor Marine Grade Tinned Cables designed to meet the rigorous demands of marine and harsh environment applications. These cables include: Why Choose Ancor Marine Grade Tinned Cables? Ancor Marine Grade Tinned Duplex and Triplex Cables are designed with high-quality tinned copper wire strands encased in a premium vinyl (PVC) jacket. […]