Voltage rating determines the core use of a 220 extension cord. These are insulated cords that do not break down when exposed ...

When buying a resistor to build a certain circuit, you may be asked, “What is the power rating of the resistors you want to buy?” For the most standard class of resistors, you may simply be given a ¼ ...

For a lot of electrical and mechanical machines, there are nominal and peak ratings for energy output or input. If you’re in marketing or advertising, you’ll typically look at the peak rating and move ...