John D. Lenk. where T is the time in seconds and / is the ground-fault current in milliam- peres. Also, Class A devices must not trip below 4 mA. Class A GFCI devices must also provide a self-contained means of testing the ground-fault circuitry. To test a Class A ... 5-10.1 GFCI Circuit Breakers Figure 5-22 shows typical circuit breakers that include GFCI protection. These are ... by Square D Company.
|Title||:||Handbook of simplified commercial and industrial wiring design|
|Author||:||John D. Lenk|
|Publisher||:||Prentice Hall - 1984-03-01|