They are also listed for use with tray cable types TC, TC-ER, TC-ER-HLA, ITC, ITC-ER, ITC-HL, PLTC and PLTC-ER. When installed in accordance with NEC501.10(B)(4), CGB, CGD, CGE and CGFP non-armoured glands are suitable for use in Class I, Division 2 hazardous locations. Crouse-Hinds series CGB, CGD, CGE and CGFP non-armoured glands are installed to provide a means for passing a cord, unarmoured cable or flexible conduit into an enclosure. The glands form an environmental seal for cord or unarmoured round cables, and they form a secure connection or termination for flexible cord, cable (unarmoured), or flexible conduit. These cable glands are listed for use with flexible cords, including Type S, SO, STO, ST, SJ, SJT, SJTO and SVO.