2021 Montana 3120 frame question/ refer
I have a 2021 3120 that I’m installing a NorCold dc20 refrigerator. I am running the 6 gauge wire behind the cabinets, oven , fireplace to the rear of the slide , and down and out to the external wiring harness that is attached to the slide and the I- beam frame . On the frame , near the harness , there is an approximately 1” hole with a washer welded over the hole . I’m planing to run the wire onto the harness , then through that hole , and under the pan and insulation to the breaker panel . My question is , does anyone know what the purpose of that hole is?
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