I was going to get the pendant, it looks like the mogul has a cord and plug on the end. When you say "reflector", I am guessing this may be slightly different from the reflector that has the outer black metal and is sold as a pendant.
If you are buying new call and ask, I did and was told you have to buy the plug seperetly. This must be because that all the ballasts use different quick disconects. I don't think it would matter between the retro reflecters and pendents but could be wrong.