Trip Tie Required?

[Michael Scher]

Greetings HI's,

I'm sure this is covered in Elec101, so thank you for being patient.
I performed an 11 month inspection on a home today and saw what I believed to be 4-wire romex with one wire connected to a 20amp breaker for the disposal and the other connected to a separate 20amp breaker for the dishwasher. They share a single neutral and ground.
Question: Should there be a trip tie between the breakers?

Additional comments are welcome. :)

Thanks,
Michael - Scher Professional Inspections- Austin Real Estate Inspector (http://www.WhoInspects.com)
Scher Professional Inspections

[Matthew Barnicle]

If they are in the same outlet/junction box they need a common trip.

[Jerry Peck]

If on the same yoke/strap (i.e., a duplex with disposer and dishwasher - both on same device) - tie handle required.

Could be in same box and tie handle not 'required' - but a really, really, good idea.