| Reference | Likely Meaning | | :--- | :--- | | | In the 1983 version of IEC 38 (pre-60038 numbering), page 103 contained Annex C (Voltage drops in distribution systems). A scanned copy labeled "P103" is plausible. | | Table 103 | Does not exist in main IEC 60038. Present in some national adoptions under a different numbering scheme (e.g., UNE-EN 60038:2012 in Spain renumbers tables). | | Typo for 110V | Very common. Users searching for 110V industrial control circuits mistakenly type 103V. | | Internal company spec | Many large utilities (e.g., EDF, RWE, PG&E) create internal documents that cross-reference IEC 60038 with their own "Section 103." |
: It provides a specific list of values that should be used for electrical supply systems, helping to unify grids worldwide. iec 60038 standard voltages pdf 103