Amazon.com: Avalanche AC/AC Transformer 30 VAC - 1 amp Center Tap 15 VAC-0-15 VAC : Electronics
Amazon.com: 24V/10W AC/AC Power Transformer, Input 120V/60HZ Single-Phase Transformer, Applicable to Stage Lighting, Audio Equipment, Small Power Supply K-030, Rv Emergency Lighting, etc. : Electronics
Alternating Current (AC) Transformers by Ron Kurtus - Physics Lessons: School for Champions
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Amazon.com: 12V/10W AC/AC Power Transformer, Input 120V/60HZ Single-Phase Transformer, Applicable to Motorhome Electric Fireplace, Instrument, Small Power K-001, LED Light Strip, Lndustrial Control, etc. : Industrial & Scientific