This video shows real on-site footage of electrical installation, demonstrating safe and standardized wiring methods used by professionals. Wiring management: Standardize internal wiring to facilitate maintenance, inspection, and troubleshooting in the future. more Learn how to wire a distribution box step by step! This video shows real on-site footage of. Explosion-proof distribution boxes, vital terminal distribution equipment in power systems, play a crucial role in controlling and protecting industrial electricity in hazardous environments. Making mistakes can be very dangerous. 1、The wire should be connected to the designated terminal block correctly in strict accordance with the drawing markings.