*** km 6/94 p. 3 Meaningful Meetings for Field Service ***
The conductor may likewise give us pointed direction to help us avoid anything that might detract from our work. He may caution us about congregating on street corners
*** km 9/78 p. 3 Enjoying Organized Service ***
Dividing up the assignment can be done "by arrangement" with brothers assisting in taking groups to different parts of the territory. In this way, the publishers will not create a scene by congregating on a street corner. The conductor wants things to be done "decently."
So if a van pulls up and 6 people in suits/dresses jump out with bookbags you know these have to be JWs.
I like the suggestion to ask them where they live so you can call on them to read a few words from the Bible.
I know it would have unnerved me as a JW.
Otherwise I don't think it is possible to identify a JW in day to day life unless they say something or do something (turn down a birthday treat at work). Any extreme grooming might identify them as "not" being a JW.
Blondie