4W-B: Four Wire, Base mounted smoke detector
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Others
Language: English
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What is the full form of 4W-B?
4W-B stands for Four Wire, Base mounted smoke detector.
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"4W-B." Fullformexpand.com, https://www.fullformexpand.com/4w-b/307766. Accessed 3 Feb. 2026.
Fullformexpand.com, 2026. "4W-B." Accessed February 3, 2026. https://www.fullformexpand.com/4w-b/307766.
"4W-B." (n.d.). Fullformexpand.com. Retrieved February 3, 2026, from https://www.fullformexpand.com/4w-b/307766.
4W-B. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/4w-b/307766 (Accessed: 3 February 2026).
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