tforcetek:
You can not tap a switch-leg. The switch leg conductors are part of a branch circuit and not considered a "tap". Although the connected load may be well within the ampacity of the switch leg, the switch must be capable of handling short-circuits and ground faults.
210.3 Rating-"when conductors fo higher ampacity are used for any reason, the ampere rating or setting of the specified overcurrent device shall determine the circuit rating"
-Mark-
