AD12612 - Honeywell Home 6VDC or 12VDC @ 1.2A Auxiliary Power Supply Transformer
VARIAC SC-3M, 300VA 0V to 130V AC Variable Transformer – MarVac Electronics
Amazon.com: 12V AC to AC Adapter for Model: # U471AE Input: 120VAC/60Hz, Output 12VAC 700mA - 1000mA Class 2 Transformer Power Supply Cord Cable PS Wall Home Battery Charger Mains PSU : Electronics
Amazon.com: PWS-1240 12VAC 40VA Class II Power Supply AC Adapter UL 12V Transformer Plug with terminals : Electronics