(2) This section does not apply at points where fewer than five employees are regularly employed in such work, nor at points where it is necessary to make light repairs only on equipment or motive power, nor to equipment loaded with time or perishable freight, nor to equipment when trains are being held for the movement of equipment. As used in this subsection, "light repairs" does not include repairs usually made in roundhouse, shop or shed upon well-equipped railroads. [Formerly 764.150]