Other Ways to Reach DIRECTV Customer Service. The DIRECTV customer service number is just one way to get in touch with DIRECTV. The DIRECTV customer service phone number for hearing-impaired customers (TTY) is 1-800-779-4388. You must have a TTY compatible phone to call this number. DIRECTV Customer Service is also available through the online Help Center, as well as through email, in either English or Spanish.
1 Coil (chemistry), a tube used to cool and condense steam from a distillation. 2  Coil spring, used to store energy, absorb shock, or maintain a force between two surfaces.  Electromagnetic coil, formed when a conductor is wound around a core or form to create an inductor or electromagnet.
A transformer is a device that changes (transforms) and alternating potential difference (voltage) from one value to another value be it smaller or greater using the principle of electromagnetic induction. A transformer consists of a soft iron coil with two coils wound around it which are not connected to one another. These coils can be wound either on separate limbs of the iron core or be arranged on top of each other. The coil to which the alternating voltage is supplied is called the primary coil or primary winding.