He then could have used the breaker as a means of disconnect as long as the attic lights weren't on that circuit.
That would be Compliant only for a Single Stationary Motor of 1/8 HP or less.
Reference: 2008 NEC Section 430.109(B)
If the Motor is rated > 1/8 HP, to 2.0 HP; - 300V or less, then a Local In-sight Disconnecting Means is required.
Reference: 2008 NEC Section 430.109(C)
-- Scott (EE)
