What is the key specification for receptacles indicated between Columns 3 and 4?

The key specification for receptacles indicated between Columns 3 and 4 relates to the height and distance from columns. In blueprint reading and electrical design, understanding the placement of receptacles is vital for ensuring they are installed at the proper height for functionality and accessibility as well as maintaining appropriate distances from other elements, such as walls or architectural features.

This measurement information is crucial for compliance with building codes, ensuring that receptacles are within reach for convenience and safety. The practical implications of this specification ensure that outlets are positioned to accommodate user needs and comply with ergonomic standards.

While other options, such as amperage rating or circuit types, are certainly important considerations in electrical design, they do not specifically address the spatial orientation and placement of the receptacles concerning the structural elements of the layout. This makes height and distance a primary focus in the context of this question.