The first thing you need to do before doing any wiring project is to turn off the electricity to the breaker box.  The 120/240 amp wiring is normally used for clothes dryers and kitchen ranges.  The 240 amp line is for the motor of the appliance and the 120 amp is for the timers and lights or any other controls you have on the appliance.  When choosing the receptacle, you need to make sure you know the difference between the different types as well as what the capacity is for that specific receptacle.

If you buy the wrong receptacle, you might end up with a lower quality receptacle. The 120/240 amp wiring needs to be done correctly or you could ruin the appliance or start an electrical fire.  It is important that this wiring be done correctly. Electricians do this type of work every day and it takes no time at all for them to put in the proper wiring and receptacles.  Having your electrical wiring done correctly is important for your safety as well as for your property and appliances. Remember, there is a difference between 240 and 120/240 receptacles that most people do not take into consideration.

The electrical panel and the wiring are something that most people do not understand nor do they want to.  For most people, the thought of doing something the wrong way is a concern.  If you do not know anything about wiring, color coding or receptacles, you will want to call an experienced electrician that will be able to do the job with the right materials, which is very important in any wiring project.  It is always better to have someone qualified to do your work rather than someone that is apprehensive about what they are doing.  It makes the difference between having something done correctly or not.