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Don’t know where to start on an installation or repair job? Browse our how-to guides for answers to popular questions.

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How to Measure Pipe Fittings
Learn to measure pipe and fitting sizes accurately with this helpful guide.
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Megger Testing with a Megohmmeter
A megohmmeter, or megger, is a device used to test electrical and insulation resistance. This is usually done by sending a high-voltage signal into the object being tested, typically a wire or motor. Using a megger is important for avoiding electric shock and equipment damage.

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How-To Guides

How Do Fireplace Dampers Work

How Do Fireplace Dampers Work

How do fireplace dampers work? Do all chimneys have dampers and how can you tell if it’s open or closed? Understanding the components of your fireplace and how they operate will help you get the most out of your fires and keep your space warm all winter long.

How to Put on Tire Chains

How to Put on Tire Chains

No matter what type of vehicle you drive, snow and ice can put your tires to the test. One surefire way to increase your traction and make extreme winter driving easier is to install snow tire chains.

How to Calibrate and Use a pH Water Testing Meter

How to Calibrate and Use a pH Water Testing Meter

Acidity in water is measured using what’s known as pH levels. In scientific terms, the pH value of water is found by comparing the ratio of hydrogen ions (H+) and hydroxyl ions (OH-). Ions are atoms with either too many or too few electrons present.

How to Clean Your Work Gloves

How to Clean Your Work Gloves

Whether you work in construction or landscaping, work gloves are an essential part of your personal protective equipment. Learn how to properly clean many types of work gloves so they’ll continue to perform from one job to the next.

How to Use Dry Chemical Fire Extinguishers

How to Use Dry Chemical Fire Extinguishers

Even though they are all built for the same basic purpose, all fire extinguishers are not created equal. There are three primary types of fire extinguishers, each employing a different scientific approach to attack one or more of the three elements of the “fire triangle.”

How to Fix an Exhaust Fan

How to Fix an Exhaust Fan

Exhaust fans are used to remove moisture and humidity from places in your home that need additional ventilation, like the bathroom, kitchen, or laundry room. The build-up of water vapor in these areas can trigger mildew and musty odors, and wreak havoc on walls and wallpaper.

How to Install the Utility Sink

How to Install the Utility Sink

You've probably seen a utility sink before—though you may not know the name for it off the top of your head. Utility sinks are very deep, free-standing sinks with a large basin.

How to Adjust Cabinet Door Hinges

How to Adjust Cabinet Door Hinges

Loose or misaligned cabinet doors can create an everyday hassle. But dealing with cabinet doors that don’t close properly or hang off-center isn’t a problem you have to live with. Adjusting your cabinets doors is a simple project and all you really need to do it is a screwdriver.

How to Clean/Dispose of Rags

How to Clean/Dispose of Rags

Whether in a factory setting, an auto shop, or your home garage, messy jobs that involve dirt and grime call for a steady supply of rags and shop towels.

How to Clean and Maintain a Soldering Iron

How to Clean and Maintain a Soldering Iron

A soldering iron is a handy tool to have if you work with a lot of wiring projects. It provides a convenient way to make electrical connections, though some also use it for crafts and hobbies.

How Do Fluorescent Lights Work?

How Do Fluorescent Lights Work?

Popular in offices, schools, warehouses, and other industrial settings, fluorescents are efficient and reliable light sources.

How to Use Locking Pliers

How to Use Locking Pliers

The first patent for locking pliers was filed by Danish immigrant William Petersen in 1921. Petersen, a failed farmer, was having a go at being a blacksmith when he realized that his job would be easier if he had a tool that held the pieces he was working with in place.

How to Change a Toilet Seat

How to Change a Toilet Seat

If you’ve ever sat on a wobbly toilet seat, you know that it’s an unpleasant experience. Over time, this hardworking piece attached to your favorite bathroom fixture sees plenty of action, and that repetition can cause even the best-made parts to give out.

How Do Power Inverters Work?

How Do Power Inverters Work?

At its most basic, a power inverter changes DC (direct current) power to AC (alternating current) power. This power conversion is often needed when running AC-powered electronics, like a portable video game or a GPS device, off the DC power that comes from the battery of a car, truck, or boat.

How to Troubleshoot a Fan Motor

How to Troubleshoot a Fan Motor

Fan motors are used in a variety of settings, whether to circulate cool air in your home as part of your air conditioning system or for the ventilation of large industrial facilities.

How to Clean and Maintain a Vacuum

How to Clean and Maintain a Vacuum

Clean your vacuum regularly and it will perform better. Here’s a guide to cleaning and maintaining each part of your vacuum cleaner.