What are the circuit numbers supplying the Type N and M fixtures?

In determining the circuit numbers supplying the Type N and M fixtures, it is important to consider the layout and connection specifications that are depicted in the relevant blueprints or electrical diagrams. Type N and M fixtures might have specific requirements for the circuits they are connected to, often dictated by factors such as load capacity, voltage ratings, and the design of the electrical system.

Selecting the option that includes multiple circuits like 1, 2, and 3 indicates that these circuits potentially provide the necessary power distribution to both fixture types, allowing for balanced loads and redundancy in the system. This ensures that if one circuit encounters an overload or failure, the others can support the fixtures without interruption.

Using multiple circuits also helps in making sure that the fixtures operate efficiently and meet code requirements for safety and functionality by ensuring that each fixture has adequate power while minimizing the risk of overheating or failure due to an overloaded single circuit scenario.

In contrast, the other options suggest fewer or different circuit combinations, which may not adequately supply both types of fixtures simultaneously or may lead to imbalances in the electrical load. This can lead to operational issues and safety concerns in a real-world application. Thus, the combination that includes circuits 1, 2, and 3 ensures comprehensive and