1.5 V to 2.2 V

2.3 V to 3.6 V

4.5 V to 5.5 V

5.0 V to 7.5 V

Measure current

Measure voltage

Measure diameter of wire

Measure insulation of wire

Current

Voltage

Insulation resistance

Frequency

Thyristors

Molecules

Dielectrics

Semiconductors

Electrician's knife

Manual wire stripper

Thermal wire stripper

Mechanical wire stripper