Figure 8.14. Insertion in the outlet of this surge protector is blocked to plugs with less than
two prongs

Figure 8.15A. A screwdriver cannot penetrate the outlet slot because of the shutter

Figure 8.15B. The shutter is designed to prohibit insertion in either slot

Figure 8.16. Outlet with correct plug inserted

Figure 8.17. Secure socket covers prevent accidents

Figure 8.18. Outlets should be effectively secured to the wall

Source: Photos courtesy © Koncept Technologies Inc. Used with
permission.
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