inexpensive long-term stay in Sonora?
I'm thinking of going to Mexico this winter rather than the US as I'm getting dangerously close to spending enough time in the US as to have to file income tax there. :E Going to Mexico is really i...
Forum Discussion
"Turtle-Toad wrote:
I'm very aware of the NEC's requirements for ground rods; the value is 25 ohms or less for a single rod or multiples of rods. As you bond additional rods together you are creating parallel circuits and OHMS Law for resistances in parallel apply. And the 25 ohms is still the goal (and I might add that the just released 2014 version didn’t change any of this). If you can’t meet the resistance requirement, you either change locations or go back to the drawing board. In Saudi we used to either drive them in the water or dump water on the rod site.I've also used the water trick in Mexico...."
I use a 30" long piece of steel "varilla" rebar. Pound it into the ground, mix up a bucket with 3 gallons of water and a handful of salt. Can't do this around plants but the salt stays there. I tested this by direct short circuiting 60 amperes of 127vac through a six gauge wire, which of course blew the breaker. This was done in SAND, the worst possible media to establish earth ground. I use a cheap hose clamp to bond the wire to the rebar then gob a bunch of grease onto the clamp area. Me? Oh Hell No. My body is going to be the last thing on the face of this freakin' earth to "complete the circuit".
I'm very aware of the NEC's requirements for ground rods; the value is 25 ohms or less for a single rod or multiples of rods. As you bond additional rods together you are creating parallel circuits and OHMS Law for resistances in parallel apply. And the 25 ohms is still the goal (and I might add that the just released 2014 version didn’t change any of this). If you can’t meet the resistance requirement, you either change locations or go back to the drawing board. In Saudi we used to either drive them in the water or dump water on the rod site.I've also used the water trick in Mexico...."
I use a 30" long piece of steel "varilla" rebar. Pound it into the ground, mix up a bucket with 3 gallons of water and a handful of salt. Can't do this around plants but the salt stays there. I tested this by direct short circuiting 60 amperes of 127vac through a six gauge wire, which of course blew the breaker. This was done in SAND, the worst possible media to establish earth ground. I use a cheap hose clamp to bond the wire to the rebar then gob a bunch of grease onto the clamp area. Me? Oh Hell No. My body is going to be the last thing on the face of this freakin' earth to "complete the circuit".
