What does spn stand for?
spn stands for "Single Pole and Neutral"
How to abbreviate "Single Pole and Neutral"?
"Single Pole and Neutral" can be abbreviated as spn
What is the meaning of spn abbreviation?
The meaning of spn abbreviation is "Single Pole and Neutral"
What does spn mean?
spn as abbreviation means "Single Pole and Neutral"
