They’re inexpensive and easy to use, and they help keep you safe when doing DIY electrical work. Solution: Test. Use. Verify. First, test the tester by holding it to a known live circuit, like a ...

Graphics cards shouldn't melt. Some have. That's the reason for a device such as this one from Ampinel, which keeps a graphics card's power demands in check across the compact 12VHPWR and 12V-2X6 ...