driver, uL-listed, 4-prong dryer cord (must match amperage rating for dryer and outlet; most are 30-amp). With computers doing everything from putting the clothes in the dryer. Although your panel may look different rest assure the way it gets wired in will be the same. That's why the cords are sold separately. This should have four wires and will have an orange cover like in the picture below. Connect each wire to the outlet as shown for your outlet. If the outlet is live, the loose cord ends can give you a deadly shock. These are 240-volt appliances that use electrical plugs that look very different. But most if not all dryers made today are looking for a 30 amp circuit with 10/4 #10 AWG wire. One of the reasons you need that neutral wire. These appliances plug into dedicated 240-volt electrical outlets designed especially for dryers.
And more importantly, the breaker is designed to trip if more than that. Please watch my video on how to install a 220-volt outlet (20 amp ) and my other article on just wiring a dryer. Or servicing it and turning off the wrong breaker. For example, a new dryer may come from the factory with a newer four-prong cord, which you will need to replace with a three-prong cord. As show in the picture below. You may have either type of dryer outlet in your home, depending on the age of your home's electrical installation. The old cords had 3-prong plugs that fit 3-slot wall outlets. You will need a 10/4 wire.
Warning: When you get home with your new dryer cord, don't stick it in the outlet to make sure it fits. Now the back side of the outlet. However, the wire shown in the video was a #6 wire for a 40 50 amp. The two hots and it does not matter which ones go where on the TWO pole 30 AMP breaker. National Electrical Code (NEC) changed the requirements for electric dryer wiring and cord connections. Its also the return path of the unbalanced. In newer installations, the dryer outlet has four slots, with two "hot" slots, a neutral slot, and a grounding slot.