General duty safety switches are designed for residential and commercial applications where durability and economy are prime considerations. Typical loads include lighting, air conditioning, and appliances. They are suitable for use as service equipment when equipped with a factory-installed neutral assembly or field-installed service grounding kit, as applicable. General duty safety switches are UL® Listed, File E2875, and meet or exceed the NEMA® Standard KS1. This Safety Switch, Fuse Rejection Kit is for Class R fuses. This safety switch accessory complies to UL listed & CSA certifications.