All worked well except for the 220-volt adapter. I attempted to use the blade attachment to test a dryer outlet but discovered ... If the circuit is using 28 amps, use a 30-amp circuit breaker.

This type c plug adapter is only compatible for 100V to 250V wide voltage device, especially your hair dryer, straightener, electric toothbrush or razor need to support 100V to 250V dual voltage ...

CIGARETTE LIGHTER SPLITTER ADAPTER - Splits 1 car cigarette lighter port to 2 DC ports, 1 cigarette lighter male plug to 2 female sockets. A 2-Way cigarette lighter splitter adapter extension cord ...