NYC Master Electrical Latest Exam | Updated 2024 with Verified Solutions
NYC Master Electrical Latest Exam | Updated 2024 with Verified Solutions Neutral point Correct Answer The common point on a wye-connection in a polyphase system or midpoint on a single phase, 3-wire system, or midpoint of a single phase portion of a 3-phase delta system, or a midpoint of a 3-wire, direct current system In the NEC the words ___________indicate a mandatory requirement Correct Answer Shall or shall not On a four wire Delta connected system with a midpoint of one phase winding is grounded, only the conductor or bus bar having a higher phase voltage the ground shall be durably and permanently marked by an outer finish that is _______ in color or by other effective means. Such Identification shall be placed at each point on the system where connection is made if the grounded conductor is also present. Correct Answer Orange The required working space for access to live parts operating at 300 V to ground, where there are exposed live parts on one side and grounded parts on the other side is ____________. Correct Answer 3 feet 6 inches The dimensions of working space for access to live parts operating at 300 V, nominal to ground, where there are expose live parts on both sides of the workspace is________________. Correct Answer 4 feet 110.26 A1- Dead front assemblies working space Correct Answer 30" for non-electrical parts 36" for electrical parts The working space in front of the electrical equipment shall not be less than _______wide, or of the width of the equipment, whichever is greater. Correct Answer 30" Large equipment Correct Answer 1200 A or greater and over 6 feet wide
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