Does My Generator Need a Ground Rod? Probably Not. Here's why.

Описание: This video covers the four primary scenarios that a homeowner will be using a portable generator. It details when a homeowner must use a ground rod, when they must bond their neutral, and when they must keep it floating.

00:00 Intro to Grounding and Bonding a Generator
00:52 Does Grounding a Generator with a Ground Rod Protect Me from Getting Shocked?
2:24 Bonding a Generator to Protect from Getting Shocked
3:42 Does my Generator Need to be Grounded?
4:36 Do I Need to Ground a Floating Neutral Generator with Extension Cords
6:46 Do I Need to Ground a Bonded Generator with Extension Cords?
9:42 Do I Need to Ground a Generator when Powering a House via a Transfer Switch?
13:34 Do I Need to Ground a Generator when using a Switched Neutral Transfer Switch?
15:40 The Danger of Using a Generator that's Improperly Bonded when Backfeeding a House
16:22 Additional Resources and Visuals to Help you with Grounding a Generator and a Summary of the Ground Rod / Bonding Requirements

ALWAYS CONSULT WITH YOUR LOCAL CERTIFIED ELECTRICIAN BEFORE DOING ANYTHING WITH YOUR GENERATOR. VIDEO FOR ENTERTAINMENT PURPOSES ONLY. YOU ARE RESPONSIBLE FOR HOW YOU DECIDE TO USE YOUR GENERATOR. VIDEO ONLY COVERS HOUSEHOLD USES FOR GENERATORS. SOURCES FOR VIDEO CONTENT PROVIDED BELOW.

Most household generators below 5kW (5,000 watts) are floating neutral. If you need it to be bonded for running extension cords, feel free to check out the following link to easily bond your generator: https://amzn.to/3CKRCfM (Affiliate)

For the purposes of this video, when I say "ground" I'm generally referring to "earth ground" or using a "ground electrode/rod", since that's the inquiry being addressed.

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When powering devices with an extension cord, a generator does NOT need a ground rod. In fact, it may be harmful to you if you were to install one -- depending on how the generator is wired. It is, however, recommended to use a generator that is bonded (the neutral and ground are physically linked on the generator) to prevent shock or electrocution if the case of the device being used were to become energized due to a faulty wire.

When powering a house with a generator via a typical transfer switch that keeps the neutrals intact (the house, the circuit being used, and the generator all share the same neutral), the generator does NOT need a ground rod and it does NOT need to be bonded. The generator shares the bonded neutral and ground from the house and is NOT a separately derived system.

When powering a house with a generator via a switched neutral transfer switch (the switch detaches neutral from the rest of the house and links only the circuit's neutral to the generator's), then the generator DOES need a ground rod and DOES need to be bonded since it is now a separately derived system.

Sources:
   • Grounding, System and Equipment [250.4, 20...  

   • 6 of 7 Grounding Myths (26min:55sec)  

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