Ryan Jackson Electrical Training changes ( B) This is one of my favorite changes in the entire NEC Note the new exception Intro The requirements for increasing the size of an equipment grounding conductor were relaxed significantly Size of Equipment Grounding Conductors SupplySide grounded and bonding conductors are sized from Table (1) in the 14 NEC In earlier Codes, all these conductors, as well as the Grounding Electrode Conductor, were selected from Table Table (1) from the 14 NEC It is very helpful to have a separate Table for selecting theNEC 08 Table Minimum Size Equipment Grounding Conductors for Grounding Raceway and Equipment Rating or Setting of Automatic Overcurrent Size (AWG or kcmil) Device in Circuit Ahead of Equipment, Conduit, Aluminum or etc, Not Exceeding Copper Copper‐Clad (Amperes) Aluminum* 15 14 12 12 10 30 10 8 40 10 8 60 10 8 100 8 6 0 6 4
Voltage Drop After Nec Requirements
