- Clamp meters
- Multimeters
- Insulation testers
- Ammeters
- RCCB (RCD) testers
- Soldering thermometers
- Ohm meters
- Power supplies
- Millivolt meters
- Decade resistance boxes
- Electrostatic testers
- Meggers
- Holiday detectors
- Mat resistance testers
- Portable appliance testers (PAT’s)
- Loop impedance meters
- Earth resistance meters