Like switchgear, circuit breakers, load switches are in this category; control equipment, contactors, relays; protection equipment including fuses, over-voltage protector; and measurement equipment, such as voltmeter, ammeter. “Low voltage” refers to electrical systems that operate at 50 volts (V) or less, though in most residential and commercial settings, this usually means 12V, 24V, or 48V power. Unlike standard 120V or 240V electrical wiring, low voltage circuits carry smaller currents — making them safer, easier to. Depending on their unique needs, multi-family, commercial and industrial sites typically rely upon either low or medium voltage service entrance equipment to control or cut off the electrical supply of their buildings from a single point. These are not “low” in the everyday sense—they can still be dangerous—but they are lower than medium (1–35 kV) or high-voltage (above 35 kV) systems. Explore best practices for specifying and sizing major electrical gear. Low-voltage distribution equipment (LVDE) encompasses the devices (e., molded case circuit breakers, panelboards and distribution boards, switches, and busways) that distribute and switch electrical power and protect electrical circuits. LVDE, which carries electricity from distribution.