into slot 34 as shown in fig9 11 thus as key 70 rotates in a counterclockwise direction cam 30 also rotates in a counterclockwise direction clearing opening 12 for receipt of plug 100 and positioning latch support surface 33 transverse to internal bottom surface 15 of cover 10 as shown in fig1 plug 100 may then be secured within opening 12 when plug 100 is inserted into opening 12 plug rides over inclined surface 24 and retaining latch 23 comes to rest in slot 102 of plug 100 insertion of plug 100 into a jack may occur next with plug 100 engaged within jack key 70 may be rotated in a clockwise direction such that plug latch support surface 33 underlies and contacts latch 104 to secure latch 104 into position and help prevent accidental or unauthorized depression of latch 104 as shown in fig1 and 12 key 70 may then be removed from key receiving member 16 leaving plug latch 104 engaged with plug latch support 32 and allowing latch arm 58 of cam latch 50 to once again abut cam latch stop 36 of cam 30 in this way locking assembly 8 secures plug 100 within jack removal of plug 100 from jack is also possible with plug 100 engaged within jack key 70 is.