Final answer:
The service disconnect for multi-family services can be installed either indoors or outdoors, depending on specific requirements and regulations.
Step-by-step explanation:
The correct answer is c) Can be either indoors or outdoors. The service disconnect for multi-family services can be installed in either location, depending on the specific requirements and regulations of the installation. It is important to follow the codes and guidelines set by the National Electrical Code (NEC) or local authorities when determining the location of the service disconnect.
For example, in some cases, the service disconnect may be installed outdoors for easy access and visibility, while in other cases, it may be located indoors for protection from environmental factors. The ultimate goal is to ensure safety and proper functioning of the electrical service in the multi-family units.