clamp teeth 50 and 51 are concave two oblong openings 52 and 53 are formed through the blocks 46 and 47 respectively and front panel 41 integral therewith flanking the cord clamp teeth 50 and 51 the openings 52 and 53 are preferably countersunk adjacent to the front panel 41 as best seen in fig3 two additional rectangular openings 54 and 55 are formed partially through blocks 46 and 47 respectively from the shoulder 45 of side wall 43 the side cover 40 further comprises a rectangular flange 56 upstanding from the inner surface of front panel 41 between the two webs comprising the web hinge 15 and flange 56 is matingly received in the notch 22 formed in the dead front member 20 when the dead front electrical plug 10 is in its fully assembled condition as best seen in fig4 two additional flanges 57 and 58 extend from the ends of wall 43 and are received in the grooves 27 and 28 of the dead front member 20 when the dead front electrical plug 10 is in its assembled condition as best seen in fig3 as noted above the side cover 60 is comprised of a back panel 61 having a concave portion 62 the side cover 60 is integrally hingedly connected to the dead front member 20 by means of web hinge 16.