6 Instruction Book IB182312EN June 2016 www.eaton.com50/75/150 VCP-WSelectable Ground and Test DeviceSECTION 2: SAFE PRACTICESSelectable Ground and Test Devices are designed with several built-ininterlocks and safety features to provide safe and proper operatingsequences. DANGERTO PROTECT THE PERSONNEL ASSOCIATED WITH INSTALLATION,OPERATION, AND MAINTENANCE OF THE SELECTABLE GROUND AND TESTDEVICES, THE FOLLOWING PRACTICES MUST BE FOLLOWED:• Only qualified persons, as defined in the National ElectricalSafety Code, who are familiar with the installation andmaintenance of medium voltage circuits and equipment,should be permitted to work on the selectable ground andtest device.• Read these instructions carefully before attempting anyinstallation, operation or maintenance of the selectableground and test device.• Always remove the selectable ground and test device fromthe enclosure before performing any maintenance on thedevice. Failure to do so could result in electrical shock leadingto death, severe personnel injury or property damage.• Do not leave the selectable ground and test device in anintermediate position in the cell. Always have the selectableground and test device either in the DISCONNECT orCONNECTED position. Failure to do so could result in aflash over and possible death, personnel injury or propertydamage.• Keep all insulating surfaces, which include primary supportinsulation and insulation barriers, clean and dry.• Check all primary circuit connections to make certain they areclean and tight.• Take extreme care while using this device to avoid contacting“live” or “hot” (energized) terminals.• These selectable ground and test devices are equipped withsafety interlocks. Do not defeat them. This may result indeath, bodily injury or equipment damage.• Correctly identify LINE and BUS terminals for the breakercompartment before using this device. Remember that lineconnection may be on lower terminals when installed inupper compartment of 2-high switchgear.• Store the device in a clean, dry area free from dust, dirt,moisture, etc.