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A rubber cable gland is a sealing device used to secure and protect electrical cables entering boiler or burner enclosures. It provides strain relief and prevents moisture, dust, and debris from penetrating the housing, which is vital for electrical safety and component longevity. This gland is made from flexible rubber that conforms to cable diameters, creating a tight seal. It is commonly used in heating equipment to maintain IP ratings and ensure reliable operation. Whether you are rewiring a burner or servicing a boiler, a rubber cable gland is a small but critical part for maintaining system integrity and safety.