This metal wall box extension is designed to increase the internal capacity of standard 50 x 100 wall boxes, providing additional depth and space for wiring, fittings, and secure electrical terminations. Manufactured from durable, corrosion?resistant metal, it maintains structural rigidity and long?term reliability in residential, commercial, and industrial installations. The ME420 extension offers a precise fit for compatible wall boxes, ensuring stable alignment while supporting safe cable routing and improved component accommodation.
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