Clearly visible palm fitting red handle allows users to easily see the handle position (On/Off) from a distance and provides for easy operationTwo points of contact provide a positive open and close, easier operation and also help prevent contact burning for longer contact lifeTriple padlocking capability increases personnel safetyInterlocking mechanism keeps the door closed when the handle is in the ON position to maximize safety, although there is a built-in defeater mechanism for user access when necessaryClear line shield protects against accidental contact with energized parts and the probe holes enable the user to test if the line side is energized without removing the shield100% rated device means the switch may be used continuously up to its rated currentMeets stringent UL 98 standards for safety, durability and reliability