Bonding Frames of Ranges, Ovens, and Clothes Dryers, NEC 2023 - [250.140]

Electric ranges and clothes dryers are shipped from the factory with a bonding strap that bonds the metal frame of the appliance to the neutral termination of the cord connection terminal block. Watch the video where Mike and the team discuss NEC section 250.140 so you understand when and how to bond electric ranges and clothes dryers.
Want to learn more about this topic? This video clip is extracted from Mike Holt's 2023 Bonding and Grounding video library. Click here www.mikeholt.c... to see the full program.
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[@mikefixac]

I was an appliance repair guy for Sears. Yep, Mike is absolutely correct. Very interesting to learn the history of grounding and WWII. Thank you Sir.

[@MikeHoltNEC]

👍

[@brianmcdermott1718]

Great info. Mike. Thank you thank for your time and history lesson.

[@MikeHoltNEC]

👍

[@victorsr6708]

I Like the history behind this

[@MikeHoltNEC]

👍

[@MarkAlbert]

That's so interesting that oven and dryer outlets were allowed without ground for so long, although grounding of standard 120 V outlets became a requirement in 1950.

[@Sparky-ww5re]

It was actually a little earlier than that, first mentioned in 1947 for the laundry, 1956 for outdoor receptacle outlets before becoming a requirement for all 125V 15 & 20 ampere receptacle outlets in 1962.

[@MikeHoltNEC]

Thank you!😍

[@mikefixac]

Please let me know if I'm wrong about Mark's statement: The oven and dryer outlets do provide ground. It's just through the neutral wire, whereas ideally, you want a separate wire for the ground, IOW 4 wires feeding these appliances.

[@MikeHoltNEC]

All equipment is required to be connected to the circuit equipment grounding conductor; and the Neutral is not permitted to serve the purpose of the equipment grounding conductor (to clear a ground fault). See 250.110, 112, 114, 134, 138, 140, and 142.

[@Joee1257]

Hi, Mike - do you have any answer keys to your books on your website? Thanks in advance

[@jolyonwelsh9834]

I wonder according to art. 406.4D 2b with a GFCI requirement anyway, could you install a NEMA 14-30 receptacle without an equipment grounding conductor (if one isn't available in the receptacle box. Would that be to code?

[@MikeHoltNEC]

Questions not related to the post need to be placed on MikeHolt.com/Forum

[@michelangelou7]

Is this one on tiktok? I would like to stitch a cool demonstration

[@MikeHoltNEC]

No, just on KZbin. Do you know max video time on TT?

[@jaryt88]

Now if the NEC could enforce the appliance delivery companies to require some sort of electrical education that would be great. Separating the G and N has been a thing with 4 wire for a min. Now with GFCI protection you can't get around not doing it. Constant service calls for this. Only good thing is getting paid to remove the G strap.

[@miguelbarriga8472]

Whirlpool does the same thing, trips the range when the oven is used

[@gabrieljordan8015]

I thought Sears went completely under.

[@MikeHoltNEC]

Nope - www.sears.com/

[@JohnThomas-lq5qp]

How did dryer manufacturers.get away with using a bare ground wite to provide power to the 120 volt motor, drum lights & timer for over 60 years. Sure it would cost them less then $10 to install a 240 to 120 volt control transformer for controls and save three times that at least not having to use 10/3 cable & more expensive 4 wire 30 smp 250 bolt receptacle.