| Region | Primary Standards | Common Symbol Style | |--------|------------------|----------------------| | USA / Canada | ANSI Y32.2, IEEE 315, NFPA 79 | ANSI (also called “traditional” or “ladder”) | | Europe / International | IEC 60617, IEC 61346 | IEC (also called “box” or “rectangular”) |
"simbologia electrica americana y europea" filetype:pdf simbologia electrica americana y europeapdf
Using the wrong symbol is more than a typo—it's a safety risk. These standards ensure that anyone, regardless of where they are in the world, can interpret a circuit's "alphabet" to avoid errors during installation or maintenance. Key Comparisons American (ANSI/NEMA) European (IEC/DIN) Zigzag line Rectangular box Coil/Solenoid Circle or "scalloped" line Rectangular box Ground Three horizontal lines of decreasing length One horizontal line with a vertical line Normally Open Contact Two parallel lines with a gap A switch arm angled away from the contact Helpful PDF Resources | Region | Primary Standards | Common Symbol