What does 4W-B stand for?

4W-B stands for "Four Wire, Base mounted smoke detector"

How to abbreviate "Four Wire, Base mounted smoke detector"?

"Four Wire, Base mounted smoke detector" can be abbreviated as 4W-B

What is the meaning of 4W-B abbreviation?

The meaning of 4W-B abbreviation is "Four Wire, Base mounted smoke detector"

What does 4W-B mean?

4W-B as abbreviation means "Four Wire, Base mounted smoke detector"