> On a good wire nut connection the wire nut is just insulating the bundle and if it falls off the bundle is still secure. The problem is, a good wire nut is i

> On a good wire nut connection the wire nut is just insulating the bundle and if it falls off the bundle is still secure. The problem is, a good wire nut is impossible to distinguish from a bad wire nut. A transparent Wago (or its clones) are virtually foolproof to install and to inspect.