On 12/9/2016 12:14 AM, charliesal7 wrote:
I would like to connect a sauna heater in my garage. It is a 240v 23amp
heater. This picture is my box. Will it work?
http://www.homeownershub.com/img/81
http://www.homeownershub.com/img/82



It looks like your "box" is only supplied by 2 wires ( line and neutral ) but I don't see a ground.

Installing a sauna heater without a ground would be against code and really quite dangerous.