62: Wiring an Opto-isolated Relay

I have 3 relay devices, an 8-switch and 2 2-switches. Here's an image of my latest from http://www.mpja.com/.

Note the convenient "ISO" labels

The picture shows that the jumpers on the lower pins have been removed. Anyway, I provide this because I've seen confusing wiring diagrams on the 'Net and some incorrect Fritzings, as well.