Journeyman Electrician Practice Exam 2025 – 400 Free Practice Questions to Pass the Exam

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What is the minimum calculation for general purpose receptacle loads in commercial buildings before demand factors are applied?

120 VA per receptacle

150 VA per receptacle

180 VA per receptacle

The minimum calculation for general purpose receptacle loads in commercial buildings before applying demand factors is established by the National Electrical Code (NEC). The standard stipulates that the minimum load per general purpose receptacle should be calculated at 180 volt-amperes (VA) for the purposes of designing electrical systems.

Using 180 VA per receptacle allows for a realistic assessment of potential electrical loads, accommodating the use of various devices that may be plugged into these receptacles. This calculation provides a safety margin, ensuring that the electrical system can handle the load without overloading circuits.

It is important to note that calculations of receptacle loads are essential for appropriate sizing of conductors, circuit breakers, and panel boards, aiding in the overall safety and functionality of the electrical distribution system in commercial environments.

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200 VA per receptacle

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