If you will be calling an electrician to install the cord it may be cheaper for you to buy the 4 prong dryer cord beforehand.
													
																	Dryer power cord 3 prong 4 wire. 
									
	
		
	
																	Learn why there are two styles. 
																	A 4 prong 30amp 250v dryer power cord will usually cost around 15 to 25 dollars if you buy it yourself. 
																	In recent years most dryer manufacturers have adopted the 4 prong electrical cord over the dates 3 prong model. 
																	The definitively correct way is to run a ground wire to the socket location which you can without needing to follow or replace the present hot hot neutral wiring since the 2014 code cycle iirc and toss that 3 wire socket in the trash and use a 4 wire cord to a 4 wire plug to a correctly wired 4 wire socket. 
															
													
									
	
		
	
																	Electrical wiring for a dryer power cord has a typical 240 volt electric power cord with 3 wire and 4 wire wiring configurations many people may experience the situation of trying to make a older dryer work with an new four wire receptacle. 
																	Electric dryers can use cords with 3 prong or 4 prong plugs designed to match either 3 slot or 4 slot outlets. 
																	The key difference in the wiring configuration between 3 prong and 4 prong cords is that with the older setup the 3 prong cord has only two hot wires and one neutral wire there is no separate ground wire. 
																	However in new construction the installation of kitchen ranges and clothes dryers requires a 4 wire cord and plug. 
															
													
									
	
		
	
																	This may save you around 40 dollars depending on what the electrician will charge for a new power cord. 
																	While they can both effectively power a traditional dryer the 4 prong model contains an extra grounding wire as a preventive measure. 
																	I will cover both situations. 
																	Most older homes are wired for the 3 wire outlet as shown below. 
															
													
									
	
		
	
																	This article will explain what options you have to get your dryer wired and running. 
																	This eliminates the possibility for a ground current traveling to the machine as it features a separate return path for unused power. 
																	The 4th wire in that cord and plug configuration is an equipment grounding conductor. 
																	Therefore the dryer s neutral was tied to the ground connection on the metal case of the dryer. 
															
													
									
	
		
	
																	This equipment grounding conductor is the missing wire in the older 3 wire configurations. 
																	Purchase 3 prong dryer cord. 
																	The 3 wire connection is now outdated where current dryers are wired with a 4 wire cable. 
																	In the first section i will be showing you how to connect a dryer cord that matches your 3 prong or 4 prong outlet.