I suppose he had a perfectly good reason for doing this but somehow it
escapes me at the moment.

Here's a guy who managed to gang two Craftsman table saws together.

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=4393374960&category=20 789&ssPageName=WDVW&rd=1

Ebay item #4393374960 if the link fails.

Strange