33 ms·
They’re not 3-prong, but many are polarized.
by btgeekboy 7y ago
They’re not 3-prong, but many are polarized.
- yardie 7y agoI've rarely seen a DC transformer that is also polarized. It's literally a coil of wire passing from hot to neutral. Which way doesn't matter as it's rectified from AC pos/neg to DC +wire -wire.