Electrical Inspection, Testing and Certification Practice Exam

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What must GS 38 approved voltage probes have?

Flexible cables only
Finger guards and maximum 4mm probe tips
Built-in digital indicators
Insulation rating of 1000 volts

The correct answer is: Finger guards and maximum 4mm probe tips

GS 38 approved voltage probes are specifically designed to enhance safety during electrical testing and maintenance. One of the key requirements for these probes is the incorporation of finger guards, which help to prevent accidental contact with live components while providing a secure grip for the user. The specification that limits probe tips to a maximum of 4mm is also critical, as it minimizes the risk of inadvertently touching adjacent conductive parts, thereby reducing the likelihood of electric shock or short circuits. The design features of finger guards and the specification on probe tip size underscore the importance of user safety when handling probes in high-voltage environments. This makes option B the essential choice when considering safety standards in electrical inspection practices.