Types of Relays Explained

Puzzled by the seemingly endless types of relays roaming around? Well you’re in luck as we decided to take a look into 5 common relay types in order to simplify this seemingly daunting topic.  Basically, many people see a relay as a switch. The main difference between a relay and a switch  is that a switch is […]

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 […]

How Do Automotive Relays Work?

Relays are switches controlled by electrical power, like another switch, computer or control module. The purpose of an automotive relay is to automate this power to switch electrical circuits on and off at particular times. However, the real benefit behind a relay is more than just automation; they also provide the ability to switch multiple […]

Types of Automotive Relays

Many types of automotive relays exist to meet the demands of various applications. Knowing the differences and understanding what to look for can be a huge help when deciding on the right relay for your build. While the list of automotive relays below is not exhaustive, it’s a great start to seeing the options available. 

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?

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 […]

Wiring A Relay In Less Than 2 Minutes

When you’re busy, you need quick advice. So, we got together with a Technical Support Specialist, and had him show us how easy wiring a relay can be!