Connection & Conductivity

In North America, most modern homes have a functional electrical ground system that interfaces with the Earthing plug-in cord.  You just insert the prong end of the cord into the ground port (third hole) of the wall outlet.  If your home was built before the 1960s and has not been electrically re-wired, you may require a ground rod or professional installation of a dedicated grounding connection to the Earth.  If you are unsure, have an electrician check your home for the presence of functional grounded outlets or use an inexpensive and easy-to-use commercially-available outlet checker.

We receive questions from time to time from people asking about uncomfortable tingling sensations while grounding themselves as they work at their computers.

This situation usually relates to the use of an ungrounded computer, often a laptop, that generates higher electric fields from the alternating current (AC) powering the device. Grounded devices and appliances do not generate elevated electric fields.

If you ground yourself and feel tingling while working on an ungrounded computer, that simply means that you are feeling the electric field being induced on your body.  The field is generating a current from the point of contact to the point on your body where you are grounded.  You feel the current as tingling at the point of contact.

Most people don’t feel anything.  Individuals sensitive to electricity are more apt to feel it, and might even feel tingling in a wider area on their body.

Keep in mind that you are not experiencing a harmful current.  That’s because the Earthing cord attached to your Earthing product contains a current limiting resistor that limits the current flow to less than 1 milliampere.  The Electrical Safety manual of the U.S. National Institute for Occupational Safety (, p. 7) states that a current below 1 milliampere is generally not perceptible.

There are several simple solutions if the tingling is bothersome:

1)    Do not ground yourself while using the laptop plugged into an AC power source.

2)    You can ground yourself if the computer is operating on battery mode and the AC power supply is disconnected.

3)    If the laptop has an aluminum case, you can place it directly on a grounding mat. This will ground the computer.

4)    Purchase a USB grounding cord.  One end is plugged into a USB port on the computer and the other end into a properly grounded wall outlet.

Totally OK. The presence of moisture increases the flow of electrons from the Earth. That’s why it’s great to stand or walk barefoot in damp grass or in the surf or wet sand at the beach. If you live in a very dry climate and are using a ground rod, try to place it in a spot where there is some moisture, perhaps from sprinklers. You can even water the ground rod every week or so, if you like to keep the soil moist.
If you don’t mind a wire running through your apartment, you could connect (clamp or tape) the prong end of the Earthing cord to the cold water pipe under your bathroom sink.  The pipe is part of the building’s water supply system, which originates underground, and is thus grounded.  Make sure that the pipe is totally made of metal all the way down to the ground.  Any plastic section of the pipe would cause an insulating effect.  You may want to consult with an electrician to explore this and other possibilities to create a good electrical ground connection.  Meanwhile, try to spend some regular barefoot time out-of-doors if possible and consider using an Earthing mat in your office or place of work if practical.
A handyman or an electrician can easily drill a hole through the wall, and seal it properly, near where you want to use your Earthing product. You then insert the ground rod in the Earth as near as possible to the hole, making sure the ground rod wire is not located where someone can trip over it. Then run the wire through the hole in the wall. Snap the other end onto the Earthing product.  If you don’t want to go to the expense of having someone drill a hole for you, simply run the wire from the ground rod outside under an adjacent window or door yourself.
In North America, insert the outlet checker into a wall socket that has a third hole (ground port).  Two orange lights on the outlet checker indicate the presence of a proper ground. If there is no third hole, the outlet is not grounded.  If you live outside of North America, insert the outlet checker into an appropriate grounded adapter that fits into a grounded socket.
No.  In North America, all kitchens and bathrooms must have grounded outlets but the bedrooms and other rooms in the house are not required to have grounded outlets.  Even if they have three-pronged outlets, you should first test any individual outlet for a proper ground if you plan to use it for Earthing purposes.
Yes, as long as the surge protector or extension cord have an existing ground port (for the third prong) and you can connect it to a grounded outlet in the home or office.

You can use multiple grounding products at the same time, but for safety sake you should only plug them into one grounding source, either a grounded outlet or a ground rod.   Not one to the outlet and the other to a ground rod.  The reason is to avoid the risk of a shock in case of a surge due to a power outage or a thunderstorm.

Here’s the situation: Your house/building electrical system is connected to, and stabilized by, a ground rod in the Earth, usually located under the electrical panel. A loop wire (also known as the ground wire), runs through your system, and you connect to it whenever you insert your Earthing cord into the third hole (the ground port) of the outlet.  If you plug your Earthing sheet, for instance, into the outlet, you are grounded via the house ground rod.

Let’s say you also want to sleep with a patch or a band.  You have an Earthing ground rod and you are thinking about using it now, and connecting the patch or band cord to the attached cord of the ground rod while at the same time you have the sheet connected to the outlet.

Don’t!  It’s not a good idea.

If you were to do it, you would be creating what’s called a “ground loop,” meaning a closed circuit − a closed loop with the ground closing the loop.  When you place an Earthing ground rod into the soil, usually it is not close to the house ground rod.  There are differences in size, depth, and soil conditions between the two rods that create an electrical resistance between the two rod locations.  This means a different “electric potential,” that is, level of electrical energy, and the difference would generate a current flow in the closed circuit of which you are a part. So the current flows through you.

In general, you wouldn’t feel anything unusual and you wouldn’t be harming yourself.  But there would be risk from a shock, for instance, when a power surge or a thunderstorm occur.  In that case, the difference in electric potential can get very high, reaching even several hundred or even thousands of volts, and create a very strong current enough for you to feel as a mild shock.

All Earthing product cords have built-in resistors that protect you.  If it were not for the presence of the resistor, the shock you feel would be much larger.

The bottom line: If you use more than one Earthing product at one time, connect them to the same grounding source, either to a grounded outlet or to the ground rod cord.  Not one to the outlet and the other to the ground rod.

You can certainly plug two single Earthing cords into the two receptacles of a standard grounded outlet or even into two different outlets.  Or you can use an Earthing splitter cord with two terminals into which you can plug two Earthing product cords.

It should be noted that newer houses have ground rods under the house at several points below the pathway of the ground wire, resulting in an improved grounding system.  Older grounding systems may have wires with a volt or two, because of the length of the wire and a slight build-up of resistance.  Electro-hypersensitive people may feel even that low voltage, and are advised in that case to connect their Earthing product to a dedicated Earthing ground rod planted in the soil outside an adjacent window, if that is feasible).

Don’t do it! Unless you are an electrician or an electrical engineer, it is highly recommended not to “experiment” with plugging something into a wall electrical outlet. First and foremost, it is unsafe to plug a bare wire into an electrical ground in any case. An outlet should always be checked to see if it is properly grounded. All the authorized Earthing products are specifically designed for safe, biological grounding of people. They have a built-in resistor that limits the flow of current in order to prevent the unlikely possibility that electricity would flow through the connecting wire and possibly hurt someone. This allows the Earth’s natural energy to come through but not any potentially harmful electricity. In this respect, the resistor acts like a “kink” in a hose, curbing the flow. Earthing products for personal grounding have built-in protection similar to the systems utilized in industry throughout the world to prevent electricity and static from damaging sensitive electronic parts.
The use of a splitter does not reduce the potential of Earthing at all for either product.  We have grounded hundreds of people via a single wall outlet and hundreds of splitters at health conferences.  The number of splitters that you could use is pretty much unlimited, assuming they are all functional.  In theory, you could probably ground the entire population of the planet using only one ground source.
Earthing products are designed with built-in user safety. First, an electrical outlet tester is supplied with each product to verify that an outlet is properly wired and that the outlet has a working ground. The product ground cords are designed to provide a safe soft ground utilizing a built-in (molded in) in-line current limiting 100kohm resistor. In the event that a short develops in an electrical device that a person is in contact with while grounded the built-in resistor limits the current flow to a safe level. The accepted safe current limit of 5-8mA is defined as “sensation of shock not painful; individuals can let go at will.” The human body threshold of sensation is 1mA. The electrical calculation is current=volts/resistance (I=V/R). R = Rresistor + Rbody. Typical body resistance is 10k when wet and much higher when dry. However, to be conservative, using Rbody=0, Rres=100kohm, V=130volts; then maximum current I=130volts/100,000ohm=1.3mA; well below the accepted safety limit of 5mA and most likely barely perceptible.
Earthing doesn’t “run” on electricity. Your Earthing sheet (mat, band, throw, or patch) is simply connected to the energy of the Earth, not to the electricity that operates your lights and appliances. If you plug your Earthing product into the ground (earth) port of your wall outlet, you are simply making contact with the ground (earth) wire in that hole that connects to other outlets in your house and is attached to a large ground rod outside. The ground rod receives the natural, gentle energy that flows through the Earth’s surface and stabilizes your electrical system, just as it does the electrical systems of buildings and grids all over the planet. Whether your power is on or off, doesn’t matter. As long as you have contact with the Earth, by being barefoot outside, or on an Earthing sheet or mat indoors that is connected to the Earth, either via a grounded (earthed) wall outlet or a separate ground rod outside, you are getting this natural energy.
ESD shoes are primarily designed for discharging static electricity but to a degree they ground the body beneficially. They are better than regular shoes but not as good as going barefoot. The difference between grounding and static discharge is that grounding instantly equalizes your body at Earth’s potential. Static discharge, generally called a soft ground or a dissipative ground, has an inline 1 meg ohm resistor in the ground cord which is design to slowly bleed off static electrical charges (contact and separation charges). These charges are created on the body by clothing and shoes whenever you move your clothing with arm movement or walk or sit on any synthetic material. The ESD industry uses dissipative grounding to prevent a rapid discharge of static electricity that might otherwise blow an electronic circuit or sensitive chip.
Your comment refers to electrostatic discharge (ESD) devices used in the electronics industry and other industries that are meant to slowly dissipate static electricity on workers that can otherwise damage sensitive software and electronic components.  By comparison, Earthing systems are conductive, meaning they instantly equalize the body with, and maintain the body, at Earth potential, and are meant to simulate the natural, evolutionary human experience of being barefoot on the Earth outside.  Earthing research has demonstrated that holding the body at Earth potential (simulating being barefoot outside) produces significant results on measurements related to inflammation, blood electrodynamics, and autonomic nervous system function.

There is no scientific evidence we are aware of relating to the effect of ESD systems on the physiology, and thus no way to compare objectively ESD vs. Earthing.  ESD products are meant for industrial use.  The Earthing design has been shown in repeated experiments, published in a variety of journals, to generate distinct changes in the physiology and for which ESD products, meant for industrial use to prevent common static from damaging electronic components, have not been documented to do.

We have informally tested ESD products and found that they do not generate the same electrophysiological changes as does Earthing. While ESD products may produce some benefits, people have told us that ESD products do not produce the same experience and results as Earthing.

All ESD ground cords contain 1 megohm resistor. A 1 megohm resistor allows 60hz EMF-induced body voltage to drop by 90 percent.  Earthing products have a built-in 100K ohm resistor in all ground cords for safety and allows 60hz EMF induced body voltage to drop by 99 percent.  Earthing’s ability to bring and hold the body at Earth’s potential restores the body’s natural electrical state and facilitates inflammation reduction. Reducing EMF-induced body voltages will not do that, however, such reduction benefits the autonomic nervous system and sleep.

Check with the cruise company first. In-cabin outlets may not be grounded.
As long as the boat is connected to a shore power, an electrical outlet ground would be fine. When a boat is not connected to shore power and running on a generator, the outlets may not be grounded and you would have to ask the manufacturer. If your boat is in ocean (salt) water, you can connect your Earthing device to a ground rod and dangle it over the side into the water. Sea water makes a good ground.