Camlock connectors are typically used to connect to generators and busbars. Powerlock inputs are available on many large dimmers such as the Avolites Art 2000 and also on large power distribution units.
It is possible to fit a finger into an Camlock socket, they must therefore be used with caution and unused sockets suitably protected or isolated. This is not the case with Powerlocks.
Camlocks and Powerlocks are not rated for connection or disconnection under load. These connectors should not be handled when Live!