These units are designed for industrial applications such as computer cabinets, racks, and other areas where multiple outlets are needed. All models are ETL Certified to the UL1363 Standard and come equipped with a 15 Amp or 20 Amp circuit breaker, mounting hardware (clips snap & slide). The 20 Amp models are complete with 20 Amp circuit breaker, wiring and 20 Amp duplexes or single receptacles. On/Off switch available for all models. These models have a GFCI Plug attached to the end of the power cord giving our product the feature of Ground Fault Circuit Interruption. This will protect the outlets and the loads plugged into the power strip’s receptacles. The addition of this feature in our models increases the overall safety of Brooks Power Systems products, especially when used in compromised locations or near water sources.