This is also why the majority of 480 to 120/208 transformers are delta primary. A 6 lead motor that is connected wye for high voltage and delta for low is an exception to the above. These motors are dual-voltage, but the two voltages are not half or double like a 9 or 12 lead one. The high voltage is 1.73 X the low.
Report Abuse. It's either called a sonogram or an ultrasound scan. They rub gel on your belly and rub a device on it. You will see the baby on a screen next to the hospital bed. ...
Ultrasound exam. You will likely have an ultrasound exam between 18 and 20 weeks of pregnancy to check for any problems with the developing fetus. During an ultrasound exam, gel is spread on your belly and a special tool is moved over it to create a picture of the fetus on a monitor.