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, […]

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 […]

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?

Group of toggle switches

Single Pole vs. Double Pole Switches: What’s the Difference?

When working with 12V electrical systems—whether in a custom car build, an off-grid solar project, or an industrial control panel—choosing the right switch is more than just picking something that looks good on the dash. Two of the most common types you’ll run into are single pole and double pole switches. Understanding the difference can […]

Toggle Switches wired

How to Wire a Toggle Switch

Learning how to wire a toggle switch is simple. Using a toggle switch to actuate an electrical application is very common. You are able to hook up anywhere from 1 to 4 different accessories, depending on the configuration of your switch. Here we will wire a SPST (single pull, double throw) and a DPDT (double […]

Choosing a Custom Carling Rocker Switch

  Durability and reliability is essential. With the Carling V-Series, you get both custom to your needs. With the rigorous testing and high Carling standards, these Carling rocker switches are perfect for marine panels, trucks, buses, trailer, construction, farm, and recreation equipment. What I love about this line is the versatility.

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 […]