Physics · Electrical Installations and Safety
In electrical installation design, adherence to fundamental principles ensures safety, efficiency, and reliability. Which of the following design considerations correctly aligns with the fundamental principles for electrical installations?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The system frequency should always be maintained at unity to prevent voltage instability.
- 2Protective devices are installed only to improve the system's power factor.
- 3Circuits must be designed to carry expected loads without overheating and to withstand fault currents without damage.✓
- 4Cable sizing must be based solely on the aesthetic requirements of the installation.
Correct answer
Circuits must be designed to carry expected loads without overheating and to withstand fault currents without damage.
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