Probable Effect Concentration Quotients (PECQS) Practice Test

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What is the primary purpose of the meter disconnect switch?

To increase voltage capacity
To measure current load
To facilitate load-breaking services
To regulate transformer outputs

The correct answer is: To facilitate load-breaking services

The primary purpose of the meter disconnect switch is to facilitate load-breaking services. This device allows for the safe disconnection of the electrical load from the power supply, which is particularly important for maintenance and safety purposes. By enabling the disconnection of the power to a specific circuit, utility personnel can perform inspections or repairs without the risk of electrical shock or other hazards associated with live electrical systems. The ability to safely break the circuit under load conditions is crucial for maintaining both operational safety and reliability within electrical distribution systems. While the other choices may relate to various functions within electrical systems, they do not capture the specific role of the meter disconnect switch in enabling safe disconnection of service for maintenance or troubleshooting.