Which body of workers was primarily affected by the establishment of the apprenticeship system?

The establishment of the apprenticeship system had a significant impact on electrical workers due to the specialized skills and knowledge required in the electrical trade. Apprenticeships traditionally involve a combination of on-the-job training and classroom instruction, which equips aspiring electrical workers with the necessary technical expertise to perform complex tasks safely and effectively. This system ensures that new workers learn from experienced professionals and develop competencies that are crucial for the demands of the electrical industry.

Additionally, the apprenticeship model allows for the standardization of training practices, which helps maintain safety standards and ensures quality work in the field. As electrical systems become increasingly complex with advancements in technology, the importance of a well-structured apprenticeship program becomes even more pronounced, solidifying its role in shaping the future workforce of electrical workers.

While the other options represent fields that have benefited from apprenticeship systems, the specific nuances and technical demands of the electrical trade highlight why electrical workers were primarily affected by its establishment.