Standards
| IEC | International Electrotechnical Commission standards for Europe and Asia | |
| VDE | Verband Deutscher Elektrotechniker in Germany | |
| DIN | Deutsches Institut für Normung since 1917 as a consensus based standard | |
| BSI | British Standard such BS88 BS1361 BS1362 in fuses | |
| UL | United Laboratories standards approval for United States | |
| UR | Underwriters Laboratories Recognized Under the Component Program | |
| CE | Compliance with European Union Directive 1000VAC 1500VDC | |
| CSA | Standards approval for Canada | |
| UNE | Standards approval for Spain | |
| SEMCO | Standard approval for Sweden | |
| MITI | Standard approval for Japan | |
| RoHS | Restriction of Hazardous Substances 2002 standard to reduce lead as a material | |
| MIL-PRF | Military specifications on Qualified Products List |