From Open Source Solar Project
Jump to navigation
Jump to search
IEC/NEC AC circuits from top to bottom:L1, L2, L3 refer to ungrounded current carrying conductors. N refers to grounded current carrying conductors. G refers to grounding system conductors.
DC circuits from top to bottom:Ungrounded positive conductors, ungrounded negative conductors, grounded conductors, and grounding system conductors.