Electric Panel Lockout is used to lock nearly all electric panels and covers that installed with exposed screws threaded into the panel back-box. Preventing the panel so that by mistake no one operates the panel. Different shapes are available for different sizes. Electrical Handle Lockout for electrical panel is made of four parts which is used to block the movement of handles and lever installed at electric panel, is available with or without lock. Locking Slot - Two holes or strong adhesive at base part so that it can be sticked solidly within some hour and also can be screwed for tight sticking on oily surface and then locked by the padlock.