Question

Which of the following installations could use an underground duct system?

O indoor fire alarm system
O warehouse receptacle circuits
O office lighting system
O large transformer vault

Answer 1

A large transformer vault installation could use an underground duct system to provide a secure and protected environment for the transformer's operation.

Step-by-step explanation:

An underground duct system can be used for the installation of a large transformer vault. This is because a large transformer vault requires a secure and protected environment for its operation.

By placing it underground, it can be shielded from external factors such as weather and other potential hazards. The underground duct system allows for the efficient routing of electrical cables and conduits.

Answer 2

Some installations that can use an underground duct system include a large transformer vault, an indoor fire alarm system, and an office lighting system.

Step-by-step explanation:

An underground duct system can be used for several installations, including a large transformer vault. This type of installation requires a secure and controlled environment, and an underground duct system helps to protect and distribute power to the transformer.

Additionally, an underground duct system can be used for an indoor fire alarm system. Running the necessary wiring and cables underground helps to minimize the risk of damage or interference.

Lastly, an underground duct system can also be utilized for an office lighting system. This ensures that the electrical wiring and cables are organized and out of sight, creating a more aesthetically pleasing and safe environment.

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