Various Relays

Types of Relays Explained

Are you puzzled by the seemingly endless types of relays? You’re not alone! To make this topic simpler, we’ve broken down five common relay types to help you understand their unique purposes and decide which one is right for your application. Before diving in, let’s clarify: a relay functions as an electrically operated switch. While […]

Solenoid cut-away

How to Test a Solenoid- A Step by Step Guide

Wiring and power systems can be a little tricky to wrap your head around, especially when it comes to something as specific as a solenoid. This device is necessary with your vehicle’s starter in order to keep your vehicle running smoothly and efficiently. But you may be wondering, how do I know my solenoid works […]

Relay diagram

How Do Automotive Relays Work?

Automotive relays are electrically operated switches that control circuits using power from another source, such as a switch, computer, or control module. These relays automate power distribution, enabling circuits to turn on and off at specific times. However, their true advantage goes beyond automation—they allow for the control of multiple circuits, including those with different […]

Various Relays

Types of Automotive Relays

Automotive relays come in various types to accommodate different electrical applications. Understanding these differences is crucial in selecting the right relay for your vehicle or project. Below is an overview of some of the most common types of automotive relays and their uses. Change-Over Relays Change-Over Relays are among the most commonly used automotive relays. […]

What Is A Solenoid?

Overview Often times when working on high amperage applications a solenoid is incorporated into the wiring system. This is due to their ability to control a large output of power with very little power input. But, what is a solenoid?

Understanding Relay Wiring: A Step-by-Step Guide

Relays are essential components in electrical systems, but understanding how they work can feel overwhelming. With this simple guide, we’ll break down the basics of relay wiring using a helpful diagram to explain how they function, the role of their pins, and how to connect them to your setup. Understanding Relay Wiring: A Step-by-Step Guide […]

Various relays at Del City

What Does A Resistor Do And Why Is It Important?

Whether you are fixing your air conditioning, connecting new LED lights, or wiring a relay, you are probably working with a resistor. Resistors can be found in almost every electrical circuit, but they are often built-in to other components. So what do these hidden resistors really do? And why are they so important to the […]

New Blue Sea Systems Bus Bars

Del City has been proud to expand its product offering to include Blue Sea Systems product lines in 2015. An industry leader in the marine electrical space, adding Blue Sea Systems has been a great compliment to Del City’s current product offerings. With all Del City already carries, what’s new with the Blue Sea System choices? 

Cole Hersee Plastic Solenoids

Cole Hersee plastic solenoids are constructed of glass-filled nylon, making them extremely light weight and durable. They are naturally resistant to corrosion compared to traditional metal housing solenoids. These plastic solenoids are resistant to high or low temperatures (-40°C to 60°C) allowing them to be used in a wide variety of applications.  Del City now […]

Image of a relay with labeled wires

Wiring A Relay In Less Than 2 Minutes

When you’re short on time, you need quick and effective advice. That’s why we teamed up with a Technical Support Specialist to demonstrate just how easy it is to wire a relay in less than two minutes! Essential Parts for Wiring a Relay To successfully wire a relay, you’ll need the following components: For a […]