What are the electrical specifications of the fireplace insert? Cassie Wood April 27, 2022 14:23 Updated The fireplace inserts use 120 Volts, 1400 Watts, 11.67 Amps, 4600 BTU. Related articles Missing Hardware What if there is only one outlet within reach of my fireplace TV stand? How should I plug everything in? Safety features in the fireplace inserts. FA42V60L-1: Fireplace Insert Owner's Manual The Request Process