What is the significance of a double-duplex receptacle in a construction plan?

• A. It provides ground fault protection
• B. It allows for double the number of connections
• C. It serves as a central control system
• D. It is designed for outdoor use only

Answer: (B)

A double-duplex receptacle is significant in a construction plan primarily because it allows for double the number of electrical connections in a single outlet configuration. This design features two sets of outlets, enabling the use of multiple devices simultaneously without the need for additional receptacles. As a result, this receptacle type is especially useful in areas where multiple devices are needed, such as kitchens, offices, or living rooms, promoting efficiency and convenience in electrical distribution.

While ground fault protection is an important feature for many electrical installations, it typically refers to a specific type of circuit or receptacle rather than the double-duplex design itself. Similarly, while there are centralized control systems in electrical planning, a double-duplex receptacle does not serve that function. Finally, although there are outdoor-rated receptacles designed explicitly for exterior use, the double-duplex receptacle is not restricted to outdoor applications alone. Thus, considering these points, the ability to provide multiple connections makes the double-duplex receptacle a practical choice in construction planning.