In the realm of explosion-proof junction boxes, the use of materials for plugs warrants careful consideration. Plastic plugs are indeed a viable option. Being an insulating material, plastic offers a safe and effective solution. The key lies in ensuring a proper seal.
When employing plastic plugs in these boxes, attention must be given to their sealing capability to maintain the integrity and safety of the junction box. With the right sealing measures in place, plastic plugs can provide a reliable and secure fit, aligning with the safety requirements of explosion-proof electrical systems.