This base unit is designed to be fitted with indicator bank to create complete tower light and allow clear display of the status of your machines. It is made of glass reinforced polyamide material and it allows the cable to entry from bottom or side. It complies with CCC, CSA C22-2 No.14, EN/IEC 60947-5-1, EAC, UL 508 standards with NEMA 4X protection.