1 / 8 / 2 2 , 9 : 5 0 A M T y p e 1 M i l d S t e e l J u n c t i o n B o x ( C H K O S e r i e s ) - H a m m o n d M f g . Quality Products. Service Excellence. Type 1 Mild Steel Junction Box CHKO Series Hinge Door with Quarter Turn and w/ Knockouts Application Designed for general purpose indoor commercial use as a junction, pull or switch box. Hinged cover with latch provides easy access during installation and maintenance. Standards UL-50 Type 1 CSA Type 1 Complies with NEMA Type 1 IEC 60529, IP20 Construction Formed and spot welded from 16 gauge (up to 30 x24 ) or 14 gauge (36 x24 ) steel. Formed steel covers close by use of slotted quarter turn latch. Full swing, hinged door. NOTE: Former butt hinge being transitioned to new integral design starting late 2020. See image gallery for view of new hinge. Easily removed knockouts on all 4 sides (see drawings for sizes and locations). Through holes in back for wall mounting. Grounding location embossed in body. Finish Enclosure and cover are finished in ANSI 61 gray powder coating. Accessories Type 1 Lock Kit Enclosure Part No. H W D CHKO663 6.00 6.00 3.50 CHKO644 6.00 4.00 4.00 CHKO664 6.00 6.00 4.00 CHKO864 8.00 6.00 4.00 CHKO884 8.00 8.00 4.00 CHKO1084 10.00 8.00 4.00 CHKO10104 10.00 10.00 4.00 h t t p s : / / w w w . h a m m f g . c o m / e l e c t r i c a l / p r o d u c t s / c o m m e r c i a l / c h k o 1 / 21 / 8 / 2 2 , 9 : 5 0 A M T y p e 1 M i l d S t e e l J u n c t i o n B o x ( C H K O S e r i e s ) - H a m m o n d M f g . Enclosure Part No. H W D CHKO1284 12.00 8.00 4.00 CHKO12104 12.00 10.00 4.00 CHKO12124 12.00 12.00 4.00 CHKO16124 16.00 12.00 4.00 CHKO18124 18.00 12.00 4.00 CHKO666 6.00 6.00 6.00 CHKO886 8.00 8.00 6.00 CHKO1086 10.00 8.00 6.00 CHKO10106 10.00 10.00 6.00 CHKO12106 12.00 10.00 6.00 CHKO12126 12.00 12.00 6.00 CHKO16126 16.00 12.00 6.00 CHKO16166 16.00 16.00 6.00 CHKO18126 18.00 12.00 6.00 CHKO18186 18.00 18.00 6.00 CHKO24186 24.00 18.00 6.00 CHKO24246 24.00 24.00 6.00 CHKO30246 30.00 24.00 6.00 CHKO36246 36.00 24.00 6.00 CHKO36248 36.00 24.00 8.00 Data subject to change without notice 2022. Hammond Manufacturing Ltd. All rights reserved. h t t p s : / / w w w . h a m m f g . c o m / e l e c t r i c a l / p r o d u c t s / c o m m e r c i a l / c h k o 2 / 2