Choosing the Right Heat Shrink: Fix Wiring Problems with Ease

Wiring problems can cause expensive downtime, safety risks, and annoying repairs when working with electricity in cars, boats, factories, or homes. Heat shrink tubing isn’t just a nice touch; it fixes problems. Let’s look at some common problems and how the right heat shrink can help. Why use Heat Shrink? Heat shrink tubing is made […]

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 […]

Secure your battery with a box or tray with a few examples shown

Secure your battery with a Battery Box or Tray

Ever had a battery fail because of corrosion or exposure? A simple battery box can prevent costly damage and keep your power system safe. Del City offers a range of battery boxes and mounting solutions designed to keep your battery secure and protected in any environment including boats, RVs, and utility vehicles. Battery boxes from […]

Which type of wire connection is best?

Understanding Terminal Insulation Types: A Cross-Connector Comparison When selecting the different types of electrical connectors or terminals, choosing the right insulation type is just as important as selecting the right connector style. From butt connectors to push-on terminals and ring terminals, Del City offers a wide range of insulation options tailored to different environments and […]

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 […]

Heavy-duty toggle switch comparison

Heavy-Duty Toggle Switch Comparison Charts

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 […]

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 […]

Rigid Conduit Loom vs. Smooth Braided or Knitted Sleeving Loom

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 […]