Electrician Red Seal · Question
Why is it important to use a 'non-contact voltage tester' before touching a conductor, even after verifying lockout/tagout?
A non-contact voltage tester offers a quick, preliminary safety check. While a full voltage test with a contact tester is required, the non-contact type adds an
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Question: Why is it important to use a 'non-contact voltage tester' before touching a conductor, even after verifying lockout/tagout?
Answer options:
- It provides a more accurate voltage reading than a multimeter.
- It can detect current flow, not just voltage. ✅ It allows for quick, preliminary verification without making physical contact, reducing direct exposure to potential hazards.
- It helps to identify the phase rotation of the circuit.
Correct answer: It allows for quick, preliminary verification without making physical contact, reducing direct exposure to potential hazards.
Explanation: A non-contact voltage tester offers a quick, preliminary safety check. While a full voltage test with a contact tester is required, the non-contact type adds an extra layer of safety by identifying potential live circuits from a distance before making physical contact.
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- A residential garage is to be wired with a 15 A, 120 V duplex receptacle. According to the Canadian Electrical
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