Pros
Widely available at most hardware stores.
Flexible design allows gradual bends without specialty couplers.
Offers good protection from vandalism, weather (rain, hot/cold conditions and UV exposure), wildlife, and accidental damage.
Connects to Wasp Mounting Boxes and Marshall Mounting Boxes without adaptors
Connects to Hornet Mounting Boxes with additional adaptor
Easier to cut and form than EMT (Electric Metallic Tube) conduit.
Easily connects to Electric Metal Tubing (EMT), several connector options
Cable is able to be pulled through in most cases.