not totally clear, but labels here, and usually the top tab on the main strip [left side] is the power connection - but as Cletis says, a meter is the best check

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics