Re the SWA cable, it looks like this:

[Linked Image]

The glands which are used to terminate it come in two different types. There is a 2-part gland which just has a single nut which screws onto the bush to clamp the wire armor securely for the earth and hold the cable in place:

[Linked Image]

The 3-part gland has an extra section which then screws on behind and contains a weather seal for outdoor use:

[Linked Image]