Caution and warning barrier system for danger of electrical arcing

An electrical arc barrier and warning system, comprising:

• a pair of elongate warning arms, each of the pair of warning arms carrying warning indicia and having an opening sized for a pin;
• a pair of mounts attachable to respective sides of a piece of equipment, each of the mounts having
• one or more permanent magnets attached to or arranged within a rear surface of the mounts, allowing the pair of mounts to be attached on respective sides of a piece of equipment, and
• upper and lower guide blocks spaced from one another and defining a channel of sufficient width to accommodate one of the guide arms, the upper and lower guide blocks having aligned pin openings;
• and
• pins removably arranged to extend through the pin openings of the guide blocks and the openings of the pair of warning arms to secure the pair of warning arms in positions either parallel to the channels or angled with respect to them.