Sorry, the web browser you're using is not supported by this website.

Please use Google Chrome, Firefox, Safari, or another browser to access Thank you.

Skip to main content

We use cookies to enhance your experience. For details on how we use cookies, collect data, & how to manage your consent please see our Cookie Policy & Privacy Policy.

How do you tell if a wire is hot without a tester?

Attach a couple of wires to a light bulb. Touch one to neutral or ground and the other to the wire-under-test. It is live if the lamp lights up. If the lamp doesn't light, it's a good idea to test the lamp on a live wire.

Let's Get It Fixed!

HomeX virtual experts will assess your issue (for free!) and can resolve simple problems.

What Did You Think of This Article?

What Did You Think of This Article?

Shop Recommended ProductsShop HomeX Recommended Products