| Includes | capacitors, chokes and inductors, filters, power factor controllers, and voltage regulators. |
| Alternate Terms/Abbreviations | EMI: electromagnetic interference. RFI: radio frequency interference. power factor correction equipment: power factor controllers. |
| See | 08 34 46 for RFI shielding doors. 08 56 46 for RFI shielding windows. 13 49 00 for radiation protection. 26 18 23 for medium-voltage surge arresters. 28 41 00 for radiation detection and alarm 40 91 16 for electromagnetic process measurement devices. |