jea48

Responses from jea48

Environmental Potentials whole house surge protection, can I get your opinions?
westom                                      22 posts               12-27-2016 12:48pmI have yet to hear of a residential electrical contractor that checks for earth resistance. No standard was defined to measure that resistance. A 25 ohm number... 
Environmental Potentials whole house surge protection, can I get your opinions?
westom said:Soil conductivity (resistance) is relevant for code requirements - that only address human safety. Grounding for appliance safety is why Ufer grounding (to exceed code requirements) is popular. First you need to start with what is the... 
Environmental Potentials whole house surge protection, can I get your opinions?
gdnrbob said:So, it seems the ground may be a place I should be inspecting more closely. As my house is almost 100 years old, is there any way to test a ground? Or, is there any way to add a newer/more effective ground?Thanks Bob When was the las... 
Environmental Potentials whole house surge protection, can I get your opinions?
cleeds,Proof.From the Leviton Link, you provided in an earlier post.http://levitoncompanyinc.com/OA_HTML/SectionDisplay.jsp?section=37748&minisite=10251Click on the tab for "Whole House Warranty"Quote:What is a "Power Surge"?"Power surges" mea... 
Environmental Potentials whole house surge protection, can I get your opinions?
cleeds,From your Link, Type 1 Surge Protective Devices are typically mounted on the line side of the main service entrance (between the utility pole and where your electricity enters your service panel). They protect against external surges cau... 
Environmental Potentials whole house surge protection, can I get your opinions?
westom said:Impedance is taught to engineers; but not to electricians. Electricians are taught code - for human safety. Transistor (appliance) safety means doing things that both meet and exceed code. Connection to (ie impedance) and quality of s... 
Environmental Potentials whole house surge protection, can I get your opinions?
The only thing that would totally protect a home from a direct lightning strike would be to totally enclose it inside of an earth grounded Faraday Cage. Though that could prove to be quite expensive..... Or maybe hang a really big sign on the outs... 
Environmental Potentials whole house surge protection, can I get your opinions?
cleeds,My references are for type 2 SPDsExample:http://www.homedepot.com/p/Eaton-Whole-House-Surge-Protector-CHSPT2ULTRA-1/204761136http://www.homedepot.com/catalog/pdfImages/d9/d9817dee-4558-4b87-877e-946eee1c6f80.pdf 
Environmental Potentials whole house surge protection, can I get your opinions?
gdnrbob,You won’t find any SPD that will protect your home from a direct lightning strike.If you find a manufacture that claims it will you best read the fine print.Like westom said in his post the earth connection is the most important part for p... 
Environmental Potentials whole house surge protection, can I get your opinions?
gdnrbob,Here  is a pretty good one. http://www.homedepot.com/p/Eaton-Whole-House-Surge-Protector-CHSPT2ULTRA-1/204761136Are you planning on installing it yourself or hiring an electrician to install it?. 
Environmental Potentials whole house surge protection, can I get your opinions?
gdnrbob ,Here is an excellent white paper on SPDs for you to read. http://www.p3-inc.com/images/surge_protection_device_systems.pdfHere is another one on the importance of earth grounding.http://www.p3-inc.com/images/grounding_for_pq_wp2016_p3.pdf. 
Grounding Metal Outlet Boxes and Isolated Ground Receptacles
bimmer528,A GFCI breaker cannot be used on multi wire branch circuits. ( The neutral is shared on multi wire branch circuits) The GFCI breaker will just trip open the second any load is connected to the other hot circuit wire of the multi wire bra... 
Grounding Metal Outlet Boxes and Isolated Ground Receptacles
EDIT:jea48 said: The city Electrical Department is still following some of the electrical standards of the 1993 NEC, (National Electrical Code). I find that incredible they have not kept up with NEC since 1993. LOL, NEC is updated every 3 years. ... 
Grounding Metal Outlet Boxes and Isolated Ground Receptacles
bimmer528 said: i am in Chicago, very strict here on what can and can’t be acccepted. That’s an understatement. I assume this is current electrical code for Chicago.Chicago IL Residential Electrical Code. RESIDENTIAL WIRING: A. All wiring cha... 
Grounding Metal Outlet Boxes and Isolated Ground Receptacles
bimmer528 6 posts 12-18-2016 10:34pmAlways follow code first. The use of plastic boxes are not legal in many areas. Nor is armored cable and romex Given what you posted I’m assuming 1900 4 by 4 deep boxes were used and emt is the conduit. Runnin...