Insulate any pipes that run through unheated crawl Spaces. Wrap them with fiberglass insulation and tape or put preformed pipe sleeve insulation along the pipes, then tape the sleeves in place.
The cable insulation wrap should be done with high-voltage waterproof tape for protection when the humidity is low to avoid the security risks caused by the residual moisture during the wrapping.
Conductive wire core outside the use of heat-resistant polyester film insulationtape wrapped around, the outermost layer made of rubber insulation and sheath as protective layer.