What are the two basic types of disconnects?

The correct choice identifies the fundamental mechanisms of disconnects that are commonly utilized in electrical and gas appliance connections. The terminology “push together to snap” and “pull collar back to lock” describes a widely recognized method for achieving secure connections and ensuring safe disconnections of electrical components.

In practice, the method would involve pushing the two components together until they engage in a snap fit, which provides a firm and stable connection. The additional part of pulling the collar back allows for a safe and straightforward way to disconnect the components without risking damage or exposure to electrical currents. This design enhances both safety and convenience for technicians and users alike during maintenance or emergency situations.

The other choices do not accurately describe the widely accepted mechanisms used in commercial food equipment disconnects. Some may reference actions that are not standard for electrical or gas appliance connections, while others combine terms that are misleading in the context of how disconnects function in practical applications. Understanding these details is crucial for safe and effective servicing of commercial food equipment, particularly regarding gas systems that require reliable shut-off and reconnect mechanisms.