Because of the power it needs, a dishwasher should always have its own circuit, separate from the two individual appliance circuits that are often positioned above your countertop.Dishwashers run on 115-volt or 120-volt power. Questions can be sent to codefaqs@gmail.com. Answer: The receptacle must be located in the space adjacent to the space occupied by the dishwasher, not behind the dishwasher. Question: Where is a receptacle serving a household dishwasher required to be located? If the wiring is intact, replace the vent wax motor. 1) 110.22 (A). Accordingly, the Department of Labor and Industry began enforcing the 2020 NEC on Nov.17, 2020. CODE: 10-3 or FAE3 PROBLEM: Drying fan failure FIX: Unplug the dishwasher to disconnect electrical power. Explanation: Section 422.16(B)(5) of the 2020 NEC requires the receptacle to be located in the adjacent cabinet space. The national electrical code defines a “wet location” as an area that is subject to saturation with water or other liquids, and unprotected locations exposed to the weather. Major changes: Surge Protection is Required for Dwelling Units, Ground Fault Protection, Outdoor Emergency Disconnects for Dwelling Units See the answer below. Check the wiring in the vent wax motor circuit. Along with identifying the purpose of a disconnecting means, in other than one and two family dwellings, the marking Unless your home is brand new, it probably doesn’t comply. The Board of Electricity adopted the 2020 National Electrical Code (NEC) with an effective date of Nov. 17, 2020. GFCI protection of dishwashers in dwelling units The 2014 NEC has a new requirement for ground-fault circuit interrupter (GFCI) protection of dishwashers in dwelling units. AFCI protection: Beginning with the 2014 National Electrical Code revision and extended in the 2017 revision, a special type of circuit protection became required for many circuits in the home, including the kitchen. Major Code Changes for 2020 NEC: (This list is not inclusive of all changes) The 2020 NEC will be effective on permits issued as of July 31, 2021 . Answers are based on the 2014 NEC. A strain relief clamp is provided at the dishwasher junction box. New rules put out by the National Electrical Code (NEC) have been adopted by several states including my own Massachusetts, and they add stringent new rules. If you have a query about the National Electrical Code (NEC), Jim will help you solve it. How to Wire a Dishwasher Electrical Question: I have a wall switch that I will keep but I want to extend the wiring to a new under bench top switch to run our dishwasher. The NFPA 70, National Electrical Code, creates the foundation for electrical safety. Can I do that by simply joining additional cable to the earth, power and neutral wires and extending them to the new switch? Your suggestion of a plain receptacle might be considered a code violation because current code requires modification of a circuit to be brought up to code which would require the outlet/circuit to be GFCI protected. CODE: 10-2 or FAE2 PROBLEM: Vent wax motor electrical problem FIX: Shut off power to the dishwasher. The National Electrical Code, which has been adopted by all 50 states, sets the minimum standard for safe electrical design, installation, and inspection to keep people and property protected from electrical hazards. Disconnect Identification. Electrical work authorized by permits issued on or after this date must comply with the 2020 NEC. The dishwasher circuit should be a 125-volt, 15-amp circuit. 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