Before addressing those requirements, let's review the basic concept of overcurrent protection. When current exceeds the rating of conductors or equipment — due to overload, short circuit, or ground ...

An electrical circuit doesn't need a switch to work but it comes in handy for shutting things off. Let's take a closer look at electrical circuits. Let's start with a basic definition of electricity.

Electricians know these electrical terms and you should too, especially if you plan to save money by doing basic electrical work yourself. Electricity can seem mystifying, complicated and ...

Chapter 4 of the National Electrical Code [Equipment for General Use] contains all of the installation guidelines for everyday stuff or equipment that controls or consumes electricity. As an ...

Replacing electricity with light: First physical 'metatronic' circuit created Date: February 23, 2012 Source: University of Pennsylvania Summary: The technological world of the 21st century owes a ...

440.32 Single Motor-Compressor — Branch-circuit conductors supplying a single-motor compressor shall have an ampacity not less than 125 percent of either the motor compressor-rated load current or the ...