The chassis can be grounded. The ungrounded chassis will induce charges on the chassis due to the action of the internal strong electric field, making the chassis electrified. When there is a strong electric field outside the casing (such as lightning), the positive and negative charges on the conductor casing are rearranged on both sides of the casing under the action of the electric field, and the built-in electric field formed can just balance with the external strong. A distribution box is a low-voltage electrical enclosure that receives incoming power and distributes it safely to multiple outgoing circuits through protective and switching devices such as MCBs, RCDs, RCBOs, fuses, isolators, busbars, neutral bars, earth bars, and surge protective devices. Today, electrical systems are essential for homes and industries. But what exactly is a power distribution box, and why is it so essential in our daily lives? The DB panel board controls the flow of electricity. Without it, managing power would be messy, unsafe, and inefficient.
[PDF Version]