Electric circuit protection is essential to protect wiring, equipment, and personnel. Proper selection and application of protection is mandated by law. Fuses, circuit breakers and overloads are often the last resort. Choosing the correct device, applying it properly, and conducting routine maintenance will ensure the protection is there when needed.
For more information from New Standard Institute:
http://www.newstandardinstitute.com/penton/index.html
http://www.newstandardinstitute.com/outlineElearning.cfm?id=CT2120