A manufacturing plant has a high-voltage electrical system. Which of the following requirements must be met for high-voltage installations according to 2026 NFPA 70 NEC?
- AHigh-voltage installations must be inspected annually.
- High-voltage installations must be installed by a qualified person.
- CHigh-voltage installations must be grounded to the same system as the low-voltage installation.
- DHigh-voltage installations must be equipped with a disconnecting means within sight of the high-voltage equipment.
Exam tip
Always prioritize safety when dealing with high-voltage installations.
Why B is correct
According to 2026 NFPA 70 NEC, Article 450.3(A), high-voltage installations must be installed by a qualified person. This ensures that the work is done safely and correctly.