Two things:
1. If the Bird-B-Gone works, use it. Unless you KNOW what you are doing, you’re going to get someone hurt.
2. From their website: ***If placed outdoors, the direct charger must be protected in a waterproof box. *** Why would anybody in their right mind have one INDOORS???
Try this gadget:
>>>Why would anybody have the direct charger indoors?<<<
The “direct charger” conducts the electrical charge into “up to 500 ft. of electrical track” which presumably conveys the shock to the birdies.
The charger is what plugs into the wall; it ain’t the part what fries the fowl.