2026

What is an Arc Fault? Simply put, an arc fault is electricity “jumping” or “sparking.” Under normal conditions, electric current flows obediently along the wires. But when wire insulation ages or gets damaged, or when connections become loose, the current takes an alternate path—it jumps across air gaps, creating a bright spark. This is an […]

he most feared thing about electricity in the dormitory is the secret use of high-power electrical appliances that cause tripping or even fire. For everyone’s safety, many school dormitories, rental houses and shopping malls are now installed.”Selective power-limited protectors”。 What is this thing? How can I use it so as not to be upset? Let’s talk about it in the vernacular today. ! [JGXZ series.]Selective power-limited protectors