One is to route around the step-down transformer using wireless technology.
From the economist.com
As a result, a step down transformer is typically used to increase the current through the ribbon.
From the en.wikipedia.org
I assume that this is because they no longer use a transformer with a metal core to step the voltage down.
From the newscientist.com
He got an electrician to install a step-down transformer tied straight into the home's 220-volt power supply.
From the omaha.com
At the grid substation, a step-down transformer is connected across two of the three phases of the high-voltage supply.
From the en.wikipedia.org
First-generation microcomputer and home computer power supply units used a heavy step-down transformer and a linear power supply.
From the en.wikipedia.org
Now, scientists at Philips have announced that they have been able to design an OLED system that doesn't require a step down transformer in order to work.
From the techcrunch.com
The typical arrangement is to use step up the voltage for distance transmission and use a step down transformer near the point of local distribution.
From the en.wikipedia.org
At a substation, the step-down transformer will have an automatic on-load tap changer, allowing the ratio between transmission voltage and distribution voltage to be adjusted in steps.