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 […]
Automotive, trailer, and specialty vehicle wiring operates in some of the harshest electrical environments. Unlike stationary systems, vehicle wiring is constantly exposed to vibration, temperature extremes, moisture, road spray, chemicals, and abrasion. Getting the basics right is critical — from selecting the right wire to creating secure terminations and establishing reliable grounds. In this guide, we cover the fundamental principles every […]
Wire color isn’t cosmetic — it’s a functional visual language that communicates exactly what each conductor is meant to do. Across automotive, trailer, solar, industrial, and equipment-based electrical systems, standardized wire colors improve safety, reduce installation errors, and make long-term maintenance far more efficient. When used consistently, these color conventions help technicians quickly identify circuit […]
Ensuring dependability, safety, and long-term performance are more important aspects of a secure electrical connection than simply connecting wires. The proper wire terminal keeps circuits stable and avoids risks like shorts, loose connections, or system failures, whether you’re working on automotive, marine, industrial, or do-it-yourself applications. Seven of the most popular terminal types are broken down below, along […]
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 […]
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 […]
When selecting heavy-duty toggle switches for automotive, marine, or industrial applications, buyers often face a choice between Del City options and established brands like Carling Technologies and Cole Hersee. The charts below compare Del City heavy-duty toggle switches with the comparable Carling’s F-Series and G-Series toggles and Cole Hersee toggles. We’ll evaluate key factors like […]
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, […]
When it comes to managing and protecting electrical wiring, choosing the right solution is critical for safety, durability, and efficiency. Two popular options are plastic rigid conduit loom and smooth braided or knitted sleeving loom. Both serve to organize and protect cables, but they differ significantly in design, application, and performance. This blog post compares […]
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. […]