What is the maximum cord- and plug-connected load permitted on 20-ampere duplex receptacles connected to a branch circuit with more than two receptacles?

The maximum cord- and plug-connected load permitted on 20-ampere duplex receptacles connected to a branch circuit is determined by the National Electrical Code (NEC) guidelines. When a circuit is designed to support multiple receptacles, it's important to consider a safe load limit to prevent overloading and potential hazards.

For a branch circuit with more than two receptacles, the NEC typically allows a maximum of 80% of the circuit's rated capacity for continuous loads. Since the receptacles in question are on a 20-ampere circuit, when applying the 80% rule, the calculation is as follows:

0.80 x 20 A = 16 A

This calculation indicates that the maximum load should not exceed 16 amperes for a safe and effective operation of the circuit, which aligns perfectly with the provided answer. Adhering to this limit helps ensure that the wiring does not overheat and reduces the risk of tripping circuit breakers. Therefore, the correct response reflects sound practices regarding electrical safety and adherence to established standards.