Journeyman Electrician Practice Exam 2026 - Free Electrician Practice Questions and Study Guide

Question: 1 / 400

Under what conditions must isolating devices be installed in solar photovoltaic systems?

Only for residential applications

In inaccessible areas

Within sight of the equipment

Isolating devices in solar photovoltaic systems are crucial for ensuring safety and maintenance. The requirement for these devices to be installed "within sight of the equipment" ensures that they can be easily accessed and operated by qualified personnel. This provision allows workers to quickly disconnect the system during maintenance or in emergency situations, reducing the risk of electrical hazards.

Additionally, having the isolating devices within sight ensures that operators can clearly see the status of the devices, facilitating better operational control and safety monitoring. In environments like solar installations, this is particularly important due to the potential exposure to high voltage and the need for quick action in emergencies. This context makes the installation requirement clearly vital for both safety and operational efficiency, aligning with best practices in electrical safety and code requirements.

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10 feet from the equipment

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