Many people keep a list of emergency numbers handy so that they know exactly where to go when an issue occurs.  You may have your doctor, a close family member, a neighbor, poison control, and other important people and their numbers listed.  You would also be wise to include the number of a plumber who does quality plumbing in Phoenix on that list.
An emergency is defined as something challenging that happens suddenly, or when it is not expected.  Plumbing emergencies can be extremely challenging to handle because they often create problems that are expensive and difficult to deal with.  Many small plumbing issues can be handled by the average homeowner, but bigger issues need to be dealt with by a specialist in plumbing in Phoenix, and having a number on your emergency list will help to lower your stress level in a time of crisis.
Quality plumbing in Phoenix will be handled by a plumber who has spent at the minimum three years necessary to qualify for a license.  Working as a journeyman plumber under the auspices of a master plumber, he will be able to gain experience with the many tools and procedures that a good plumber must use.  He must understand the different kinds of pipes that are in different locations in houses because they perform different functions.  You will also want a plumber who takes the time to stay up with current technology as it applies to the plumbing industry.  When you are looking for a good plumber, be sure to check his credentials.
One of the easiest ways to begin a search for a qualified plumber who works with plumbing in Phoenix is to search the internet for local businesses.  You want someone who is not so far away that it will take hours for him to arrive in the case of an emergency.  Location is thus one of the important factors in your search.  Some websites may list the credentials of their employees, which can help you know whether or not they have the requisite training to perform competently.  You may also find testimonials or referrals from customers who were happy with the service they received.  Knowing that there are satisfied customers can go a long way toward helping you make up your mind.
Just remember that you want to take your time selecting someone to do your plumbing in Phoenix.  You want someone who will do a good job for a reasonable price.  However, take your time wisely so that you are prepared in the case of a true plumbing emergency.