When constructing hidden outlets the choice between plastic and aluminum has a major effect on electrical safety, structural resilience, and operational lifespan.

Aluminum is traditionally favored in professional electrical installations because of its high tensile strength combined with efficient heat dissipation. It can endure extreme temperatures and is far less likely to warp or bend, making it a trusted option for in-wall or in-ceiling outlets where rising temperatures due to current flow poses a potential hazard. Additionally, its sturdy framework maintains the physical stability of the enclosure, reducing the likelihood of accidental damage during routine service, renovations, or upgrades.

In contrast, is frequently selected in domestic electrical systems due to its lightweight nature and moldability. It easily takes complex geometries and delivers superior dielectric properties. Many resin-based boxes come built-in strain relief and cable management systems, which simplify wiring. They are also unaffected by moisture or oxidation and do not conduct electricity, adding critical insulation in humid, high-particle, or challenging conditions. However, plastic can grow brittle over time, particularly when subjected to repeated thermal cycling, potentially weakening its protective shell.

For concealed electrical boxes, where repairs are complex, the material needs to function flawlessly for 10–30+ years. Aluminum provides superior long-term durability and heat dissipation, making it the ideal material for heavy-duty applications. Plastic, meanwhile, remains a budget-friendly yet secure solution for standard household circuits, especially when properly rated for the environment and قیمت پریز توکار کابینت load.

The final decision should be guided by the technical specifications of the installation, local building codes and regulations, and the expected operational duration of the system. Each has its place, but knowing their comparative advantages ensures safer, more efficient hidden outlet construction.