... For zone 1, 2,21,22 3 IP55 4 Aluminum-alloy Terminal/junction box without hole on lidone entry on ... on right side, one entry on top side and one entry on bottom(cable diameter:Φ7~9mm/Φ8 ... entry on right side, one entry on top side and one entry on bottom(cable diameter:Φ7~9mm/Φ8~ ... botton and one entry on right side(cable diameter:Φ7~9mm/Φ8~12mm/11~17mm) Junction/terminal box, aluminum alloy explosion ...