"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When tackling DIY projects that involve any kind of electrical wiring, components, or circuitry, you need ...

While only 12 of the 203 reviews award the MM420 fewer than 4 stars, there are some issues worth noting. The most common ...

The main advantage a good clamp meter gives you is being able to measure current without shutting off the power. You don’t have to strip back insulation either. This makes them very popular with ...

When working on electrical projects around the home—whether that’s troubleshooting an issue with your HVAC system, repairing an appliance, or testing a car battery—a multimeter is essential. These ...

Is this the world's toughest and most versatile electrical test and measurement instrument? The Klein Tools CL800 ($120 on Amazon) not only looks great but has a Cat III (1000 V) and Cat IV (600 V) ...

While it's often best to call an electrician if you suspect you have a dangerous electrical issue, you can also safely diagnose many of those problems yourself with a multimeter, which is why it's ...

Panametrics has developed several ultrasonic, clamp-on flow meters for measuring fluid flow. These clamp-on meters can be ...