Michigan Administrative Code
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Bureau of Construction Codes
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Part 5 - RESIDENTIAL CODE
Section R. 408.30537d - Frames of ranges and clothes dryers

Universal Citation: MI Admin Code R. 408.30537d

Current through Vol. 24-16, September 15, 2024

Rule 537d.

Section E4101.8 of the code is added to read as follows:

E4101.8. Frames of ranges and clothes dryers. Frames of electric ranges, wall-mounted ovens, counter-mounted cooking units, clothes dryers, and outlet or junction boxes that are part of the circuit for these appliances shall be connected to the equipment grounding conductor in the manner specified in E3908.9. [250.140 amended]

Exception: For existing branch-circuit installations only where an equipment grounding conductor is not present in the outlet or junction box, the frames of electric ranges, wall-mounted ovens, counter-mounted cooking units, clothes dryers, and outlet or junction boxes that are part of the circuit for these appliances may be connected to the grounded circuit conductor if all of the following conditions are met: [250.140 Exception]

1. The supply circuit is 120/240-volt single-phase, 3-wire connected system. [250.140 Exception (1)]

2. The grounded conductor is not smaller than 10 AWG copper or 8 AWG aluminum. [250.140 Exception (2)]

3. The grounded conductor is insulated, or the grounded conductor is uninsulated and part of a type SE service-entrance cable and the branch circuit originates at the service equipment. [250.140 Exception (3)]

4. Grounding contacts of the receptacles furnished as part of the equipment are bonded to the equipment. [250.140 Exception (4)]

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