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Welcome to The Current

Your Direct Connection for 12V Electrical Industry Expertise.

Welcome to the Del City Blog! At Del City, we know how important it is to not just have your supplies, but also to have industry resources. Here you will find answers and information such as how-to’s, product knowledge, industry new, and more!



Del City Adds HellermannTyton Cable Ties

Del City Adds HellermannTyton Cable Ties

Cable Ties & Wire Fasteners Del City News
Del City is excited to announce the addition of the high-end HellermannTyton line of cable ties to Del City’s product lineup.
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Del City’s Marine Catalog

Del City’s Marine Catalog

Marine
Del City is proud to offer products that fit to all type of marine applications. We created a catalog to…
Read More
Del City Lowers All Wire Prices

Del City Lowers All Wire Prices

Industry News Wire & Cable
Del City Lowers All Wire Prices (Menomonee Falls, WI)- Del City is proud to announce an overall price decrease on…
Read More
Growth in the Marine Industry

Growth in the Marine Industry

Marine
Check Out Del City’s Marine Catalog here! Boats of any size can be found just about everywhere in the world. From…
Read More

How To Test & Change A Fuse In A Vehicle

Fuses & Fuse Accessories
Some people may be surprised at the large amount of fuses that are found in a vehicle’s fuse box. These fuses…
Read More

How To Test A Fuse

Fuses & Fuse Accessories How To
To be sure that your fuse is working properly, the best traits to test are voltage and continuity. In this…
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Agriculture & Solar Fast Facts

Agriculture Solar
Everyone knows that the sun is needed to grow plants all over the world. The fact that solar energy is…
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RV & Solar Fast Facts

Solar Specialty Vehicles
The RV industry continues to grow as more people take advantage of the many benefits an RV can bring. Del…
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Automotive & Solar Fast Facts

Automotive Solar
Solar power can benefit the automotive industry in more ways than one. Download our infographic to learn Automotive & Solar…
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Solar Power Product Guide

Solar
To complete a PV installation for a solar install, you need to be sure you have the correct components. Del…
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Del City Expands Green Initiative Into Solar Industry

Del City News Solar
When many people think of solar power, only residential areas come to mind. They see the solar panels attached to…
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How To Replace A Fuse

Fuses & Fuse Accessories How To
A blown fuse is a safety hazard on your electrical application as well as causing your job not to function….
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What Happens When You Blow A Fuse?

Fuses & Fuse Accessories
Fuses are your first line of defense when it comes to protecting your electrical application. Once a fuse is blown, it…
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How To Keep Your Boat Safe and Efficient

How To Marine
Marine and boat applications can be a tricky beast to handle. These applications are subjected to harsh environments on a…
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How To Increase Trailer Efficiency and Longevity

How To Truck & Trailer
There are more types of trailers in various sizes on the road than ever before.  The January 2018 prediction for…
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Types of Circuit Breakers Explained

Circuit Breakers
When it comes to circuit breakers, the first thing that should come to your mind is circuit protection. These automatic…
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Compression Lugs and Terminals In Agriculture

Agriculture Battery Cables & Accessories Terminals
Electrical supplies are often associated in our minds with automobiles, such as everyday vehicles and semi-trucks. While electrical supplies are…
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Ask the Expert: Air Brakes & Automotive Braking

Automotive Specialty Vehicles
Everyone knows that brakes cause a vehicle to stop, but may not exactly know how brakes work. There is not solely…
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Battery Cable: Next Steps

Battery Cables & Accessories
We all know that there are multiple types of battery cable with various benefits and uses. Didn’t know that? Check out…
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How To Use Rennsteig Compact Cable Cutter D15

Battery Cables & Accessories Hand Tools & Testers How To
Rennsteig tools tools provide quality and versatility for your specific application. This video highlights the Rennsteig Cable Cutter and its strength. It…
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How To Change Dies For The Rennsteig PEW12 Crimp Tool

Battery Cables & Accessories Hand Tools & Testers How To
The PEW 12 crimp tool from Rennsteig is a high precision ratchet crimp tool that is versatile. The versatility comes from the multiple…
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How To Use Rennsteig PEW12 Crimp Tool System- Weather Pack

Hand Tools & Testers How To Wire Connectors & Quick Splices
Rennsteig provides high quality crimp tools, cutters, strippers and more to make your job as easy as possible. This video shows…
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How To Use Rennsteig MultiStrip® 10 Wire Stripper

Hand Tools & Testers How To Wire & Cable
Stripping wire is incredibly important in a multitude of electrical jobs. In this video, Del City features Rennsteig wire strippers…
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How To Use Rennsteig PEW12 Crimp Tool System- Metri-Pack

Hand Tools & Testers How To Wire Connectors & Quick Splices
Rennsteig tools offer a product for almost every job. Whether it be a crimp tool, cable/wire cutter, die changes, or a…
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Battery Cable: Uses, Types & Benefits

Battery Cables & Accessories
Battery Cable is a vital product when it comes to providing a link between the battery and fuse block or starter….
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Top 5 Safety Tips For Electrical Jobs

How To
We know you’ve heard it a million times; safety is important. We’re not here to lecture you about the “do’s…
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Anderson Powerpole® Connectors Product Guide

Wire Connectors & Quick Splices
Anderson is a brand known for their quality connectors and providing superior strength and durability. In addition to Anderson’s line…
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How To Install Anderson Powerpole® Connectors

How To Wire Connectors & Quick Splices
Anderson’s lines of quality connectors make for a secure and reliable connection. To get some extra help on how to…
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Top 5 Reasons To Switch To LED Lighting

Lighting
Light Emitting Diode (LED) lights have skyrocketed in popularity the past couple of years. These are great for multi-purpose applications as…
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All About ECCO® Lighting

Lighting
Del City is proud to have expanded our line of ECCO® light products. ECCO® lighting is an industry standard for…
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6 Reasons to Attend NTEA’s Work Truck Show 2018

Del City News Industry News
The 2018 NTEA Work Truck Show is quickly approaching. The Work Truck Show is North America’s largest work truck event,…
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Del City Celebrates 70 Years of Business

Del City News
(Menomonee Falls, WI) -Del City is proud to announce officially being in business for 70 years.  More→
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Wire 201: Wiring Basics

Wire & Cable
Following up on Wire 101: Types of Wire, Del City is continuing to educate. In this installment, we will go over…
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A Guide To Cross-Link Wire

Wire & Cable
With all the different kind of wire roaming about, it may be tough to choose which is right for your…
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Wire 101- Types Of Wire

Wire & Cable
There are many types of wire in the electrical world. These can get lost in translation when deciding which wire or…
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What Is Heat Shrink?

Shrink Tube & Tape Terminals
Everything You Need to Know About Heat Shrink In the electrical supply world, heat shrink seems to be everywhere! By…
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Del City Crossword Puzzle

Del City News
Del City is going back in time to celebrate the anniversary of the crossword puzzle! Got a long car ride…
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Anderson SB® Connector Series Product Guide

Wire Connectors & Quick Splices
The Anderson SB® Connector Series is your go-to for a variety of applications for a professional grade connection. Two housings and four contacts…
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How To Install Anderson SB® Connectors

How To Wire Connectors & Quick Splices
The Anderson SB® Connector Series is your go-to for a variety of applications for a professional grade connection. Two housings and four contacts are…
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Compare Amphenol AT Series to Deutsch DT Series

Wire Connectors & Quick Splices
We know how popular the Deutsch DT series is, but we also know how important it is to keep cost…
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Types of Relays Explained

Relays & Power Distribution
Puzzled by the seemingly endless types of relays roaming around? Well you’re in luck as we decided to take a…
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SEMA 2017 Press Release

Del City News
This release was originally published on October 13th, 2017 on www.semashow.com More→
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Which Hose Clamps Are Right For You?

Hoses, Grommets & Clamps
Hose clamps come in all shapes and sizes with each catering to a different environment, location, vehicle, project, and more!…
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5 Reasons to Attend SEMA Show 2017

Del City News
What is the Specialty Equipment Market Association (SEMA), and why should I attend their show? Good question! Below we have…
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DEUTSCH Products Guide

Wire Connectors & Quick Splices
The DEUTSCH brand is known for their high quality and reliable products. With multiple series’ available, things can get a little…
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DEUTSCH Products Assembly Guide

How To Wire Connectors & Quick Splices
The DEUTSCH products are built for reliability and quality. With so many series’ available, assembling them may get a little confusing….
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How To Solder Battery Lugs

Battery Cables & Accessories How To
Battery lugs have a wide variety of uses. In order to make the most of them, knowing how to solder battery…
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How to Test a Solenoid- A Step by Step Guide

How To Relays & Power Distribution Switches
Wiring and power systems can be a little tricky to wrap your head around, especially when it comes to something…
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How To Use Crimping Tools

Hand Tools & Testers How To
Getting a quality crimp time after time can be tricky for some of us! Confused on the different types of…
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All About Different Wire Types

Wire & Cable
Electrical wire comes in all sorts of different sizes, colors and types. How do you know what is the right…
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How to Install LED Light Strips

How To Lighting
Flexible LED Light Strips can be used on a wide variety of projects. They can be utilized for the interior…
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How Do Automotive Relays Work?

Automotive Relays & Power Distribution
Relays are switches controlled by electrical power, like another switch, computer or control module. The purpose of an automotive relay…
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Understanding the Different Types of Loom

Loom & Loom Clamps
It is important to protect exposed wires and cables from foreign debris, the harsh environment, and high vibration areas. Wire…
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Types of Automotive Relays

Automotive Relays & Power Distribution
Many types of automotive relays exist to meet the demands of various applications. Knowing the differences and understanding what to…
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How To Wire Trailer Lights

How To Lighting Truck & Trailer
Wiring up trailer lights can seem like a task with all the different wires you need to run, splice, and…
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7 Way Trailer Plug Diagram

Truck & Trailer
For large over-the-road vehicles, you can’t go without a 7 way trailer plug and socket. Protect your connection from corrosion,…
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What Is A Fuse?

Fuses & Fuse Accessories
What is a fuse? Simply put, it’s your first line of defense against a short circuit. When a circuit experiences…
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How To Install Battery Cable Repair Splices

Battery Cables & Accessories How To Wire & Cable
Quickly and conveniently repair cable harnesses with battery cable repair splices. Instead of replacing the entire harness, simply replace the…
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What Is A Solenoid?

Relays & Power Distribution Switches
Overview Often times when working on high amperage applications a solenoid is incorporated into the wiring system. This is due to…
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4 Tips For Choosing Wire Loom

How To Loom & Loom Clamps
Protecting your wire is important, and choosing the right type of wire loom can have a big impact on the…
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How To Use A Ratchet Crimp Tool

Hand Tools & Testers How To
Getting a consistent and quality crimp every time can be tough, but using a ratchet crimp tool can help! In…
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Relay Wiring Diagram: What’s In A Relay?

Relays & Power Distribution
How do relays work? What’s in a relay? What do all of those pins do? How do I wire a…
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A Comparison Between Battery Cable And Welding Cable

Battery Cables & Accessories Wire & Cable
We often hear “what’s the difference between battery cable and welding cable?” That’s a good question! While these types of…
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New Product Announcement: Triplex and Quadplex Brake Cable

Del City News Wire & Cable
Triplex and Quadplex brake cable is now available at Del City. This complementary product to our existing offering has the…
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Benefits of Automotive LED Replacement Bulbs

Automotive Lighting
If you are in the market to replace your vehicle lighting, consider the new LED automotive bulbs. LEDs are energy…
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Choosing the Right Electrical Wire for Your Install

How To Wire & Cable
So much of our world runs on electricity. What would we do without it? The types of electrical wire vary…
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Choosing The Perfect Auto Meter Gauge

Automotive Gauges How To
Auto Meter is a high-tech company that has become a standard of excellence in providing high quality gauges. They have…
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What Does A Resistor Do And Why Is It Important?

Relays & Power Distribution
Whether you are fixing your air conditioning, connecting new LED lights, or wiring a relay, you are probably working with…
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What are Single Pole Electrical Switches and Double Pole Electrical Switches?

Switches
SPST switch? SPDT switch? DPST switch? DPDT switch? Whoa – pump the breaks. What do all those letters stand for?…
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What Is Primary Wire?

Wire & Cable
What is primary wire after all? Often times when working on electrical builds, you’ll hear “primary wire” or “GPT wire”…
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Self-Cutting Cable Ties

Del City News Industry News
Sometimes a cable tie is more than just a cable tie.  We are so excited to introduce a brand new…
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How to Upgrade to LED Lights

How To Lighting
Vehicle LED lighting is becoming more and more popular, but making the upgrade requires more than just a light swap….
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Benefits of Lead-Free Terminals

Terminals
For years Del City has offered different electrical terminals: from standard butt connectors and ring terminals, to step-down butt connectors and flag terminals, and…
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How to Wire a Toggle Switch

How To Switches
Using a toggle switch to actuate an electrical application is very common. Hook up anywhere from 1 to 4 different…
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What are the Different Types of Battery Terminals?

Battery Cables & Accessories Terminals
Heavy gauge wire requires strong and rugged termination due to the current flow and the type of systems they’re commonly…
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Types of ECCO® Lights

Lighting
Proper lighting on vehicles contributes to safety on and off the road. To maximize safety and meet customer demand, Del…
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What Exactly is Primary Wire?

Wire & Cable
Primary wire is primary wire, right? Not exactly true. There are different “grades” of primary wire, based on temperature ratings…
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How to Choose a Battery Charger for Your Boat

Battery Cables & Accessories How To Marine
There are a lot of different battery chargers out there. With so many choices, how do you know which one…
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Why Should You Choose Painless Performance Wire Harnesses?

Wire & Cable
Universal chassis wire harnesses by Painless Performance are the easiest preassembled harnesses to install. All preassembled wire harnesses are not…
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How to Use a Wire Loom Tool for the Easiest Install

Hand Tools & Testers Loom & Loom Clamps
Installing wire loom around a wire harness can be a pain. No matter what your application, using a wire loom…
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New Product Announcement: 3/8″ Stud Hi-Amp Circuit Breakers

Circuit Breakers Del City News
Del City has expanded its Hi-Amp Circuit Breaker offering to include the 3/8”Stud Hi-Amp Circuit Breakers. Previously, these were only…
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How To Change Windshield Washer Pump

Automotive How To
Today we’re going to discuss changing your windshield washer pump. We’ll go ahead and categorize this task as an intermediate…
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How To Install Weather Pack Bulkhead Wire Connectors

How To Wire Connectors & Quick Splices
Weather Pack wire connectors are the premium line of environmentally sealed connectors from Delphi/Packard. The bulkhead series creates a secure…
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How To Wire Weather Pack Connectors

How To Wire Connectors & Quick Splices
Who doesn’t love the Weather Pack connectors? Really. With their superior environmental sealing, they are one of the best options when…
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Choosing a Custom Carling Rocker Switch

How To Switches
  Durability and reliability is essential. With the Carling V-Series, you get both custom to your needs. With the rigorous testing…
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How to Use Cool Seal Butt Connectors

How To Terminals
Need a fast and easy solution for wiring up your install? Get the job done in a fraction of the…
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Why Choose Shielded Wire for Your Next Wiring Job?

Wire & Cable
Looking for a wire that has an added shield protection to help combat the effects of EMI (Electromagnetic Interference)? Among…
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Different Systems of Wire Connectors & Their Varying Benefits

Wire Connectors & Quick Splices
Wire connectors and electrical connector systems are multi-pieced setups which are commonly used when making wiring connections in applications varying…
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How to Jump Start a Car with a Battery Booster Pack

Automotive Battery Cables & Accessories How To
Having a dead battery is killer. Especially if you’re on a job or out in the field and you don’t…
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New Blue Sea Systems Bus Bars

Del City News Marine Relays & Power Distribution
Del City has been proud to expand its product offering to include Blue Sea Systems product lines in 2015. An industry leader…
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How To Use Butt Connectors

How To Terminals
Knowing how to efficiently and effectively install a butt connector can help make most any vehicle or electrical application or…
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A New Angle On How To Make Battery Connections

Battery Cables & Accessories Terminals
Not all battery connections are straightforward!  When you’re trying to make battery connections in tight spaces, sometimes a straight barrel…
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Choosing the Right Heat Shrink

How To Shrink Tube & Tape
Del City offers a wide selection of heat shrink to ensure your wire and connections are protected from dirt, moisture,…
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How To Use a Clamp Making Tool

Hand Tools & Testers How To
The one-of-a-kind Clamp Making Tool allows you to make strong, reliable clamps out of simple Stainless Steel Safety Wire.  It…
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Cole Hersee Plastic Solenoids

Relays & Power Distribution Switches
Cole Hersee plastic solenoids are constructed of glass-filled nylon, making them extremely light weight and durable. They are naturally resistant…
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What does RoHS mean?

Industry News
You’ve probably noticed many of our products are marked as RoHS compliant on our website and in our catalog, but…
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6 Tips for Keeping Your Collector Car on the Road

Automotive How To
Hours of sweat pouring work go into keeping up classic cars. But every ounce is worth it once you get…
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What’s the Difference Between Battery Cable and Welding Cable?

Battery Cables & Accessories Wire & Cable
What’s the difference between battery cable and welding cable, anyway? Is there any? While they are similar, there’s a few things…
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Winterizing Your Car : Tips To Get Ready For Winter

Automotive How To
If you’re one of the lucky people who live in Florida, Arizona or Sunny Southern California, this post may not…
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Wiring A Relay In Less Than 2 Minutes

How To Relays & Power Distribution
When you’re busy, you need quick advice. So, we got together with a Technical Support Specialist, and had him show us…
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Get a Stronger Electrical Connection: Lead-Free Solder Terminals & Connectors

Industry News Terminals
If you could find a stronger, easier to install terminal for your 12V electrical wiring projects, you’d use it, right? …
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What is an IP rating and why is it important?

Industry News
The Ingress Protection (IP) rating system was established by the International Electrotechnical Commission (IEC), an organization for international standards and conformity…
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9 Tips For Driving in the Snow

Automotive How To
Buurrrr! We have been blasted with snow and ice for the past week. Personally, I can’t stand cold weather, I…
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Del City Adds HellermannTyton Cable Ties

Del City Adds HellermannTyton Cable Ties

Cable Ties & Wire Fasteners Del City News
Del City is excited to announce the addition of the high-end HellermannTyton line of cable ties to Del City’s product lineup.
Read More
Del City’s Marine Catalog

Del City’s Marine Catalog

Marine
Del City is proud to offer products that fit to all type of marine applications. We created a catalog to…
Read More
Del City Lowers All Wire Prices

Del City Lowers All Wire Prices

Industry News Wire & Cable
Del City Lowers All Wire Prices (Menomonee Falls, WI)- Del City is proud to announce an overall price decrease on…
Read More
Growth in the Marine Industry

Growth in the Marine Industry

Marine
Check Out Del City’s Marine Catalog here! Boats of any size can be found just about everywhere in the world. From…
Read More

How To Test & Change A Fuse In A Vehicle

Fuses & Fuse Accessories
Some people may be surprised at the large amount of fuses that are found in a vehicle’s fuse box. These fuses…
Read More

How To Test A Fuse

Fuses & Fuse Accessories How To
To be sure that your fuse is working properly, the best traits to test are voltage and continuity. In this…
Read More
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