ETC SWE Questions and Answers | New One | Grade A+

A bulkhead mounted disconnect for a workbench shall be located 48 to ____ inches above the deck. Ans: 54 For naval applications, voltages greater than or equal to _____ volts are considered high voltage. Ans: 1000 The resistance of the human body is typically around _____ ohms. Ans: 500 _____ mA - shock is felt. Ans: 1 _____ mA - a person may be unable to let go. Ans: 10 _____ mA - shock may be fatal if it lasts for one second or more. Ans: 100 PPE is required for energized work over _____ volts. Ans: 30 _____ _____ occurs when the severity of an arc or short circuit current causes destructive heating and explosive vaporization. Ans: Arc blast _____ _____ is defined as a situation where electrical current passes through air gaps between two ungrounded conductors. Ans: Arc flash What is an SCR? Ans: Silicon controlled rectifier What is an SABT? Ans: Static automatic bus transfe