Types of fault current include overloads, short circuits, ground faults, and _____.

a. arc faults
b. symmetrical faults
c. asymmetric faults
d. transient faults


a. arc faults

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Blades for masonry saws do not have a specific direction of rotation.

Answer the following statement true (T) or false (F)

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Sizing of a generator set for a particular application is _____.

a. detailed in NEC Article 701 b. achieved by referring to tables in local building codes c. typically done using computer software or manufacturer’s literature d. based on calculations using NFPA guidelines

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What is the actual communications medium used by Detroit Diesel's inhouse IRIS system?

A. microwave B. pulse width modulation C. infrared D. RF

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