@Craftech posted:inside accessory terminal?
Not sure what that is? Do you mean you have to open it? What do you mean by inside?
Thanks,
John
The one nearest the cord. In other words there are 2 screw terminals near the edge of the transformer, one is the outside since nearest the outside, one is nearest the inside since it's closer than the outside. The "Inside" terminal is labeled "COM" in this photo.