In order to study the crosslinked and electrical characteristics of insulation material for new ultraviolet crosslinking polyethylene(UV XLPE) cable, the loss rates of thermal migration and crosslinked efficiencies for macromolecular photoinitiating system and micromolecular photoinitiating system were tested. Then the electrical characteristics of crosslinking samples that initiated by two kinds of photoinitiating systems were measured at room temperature, respectively. In addition, a radial distribution m...