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Low Earth Orbit
Lighting & Electrical
Where do you put the ground rod?
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<blockquote data-quote="Kevin Graf" data-source="post: 63885" data-attributes="member: 1897"><p>Re: Where do you put the ground rod?</p><p></p><p>While this is about a separate building, I think that it still applies:</p><p></p><p> <span style="font-family: 'Arial'">Separate Building Ground</span></p><p> </p><p> <span style="font-family: 'Arial'">250.32(B) (B) Grounded Systems. For a grounded system at the</span></p><p> <span style="font-family: 'Arial'">separate building or structure, an equipment grounding conductor</span></p><p> <span style="font-family: 'Arial'">as described in 250.118 shall be run with the supply</span></p><p> <span style="font-family: 'Arial'">conductors and be connected to the building or structure</span></p><p> <span style="font-family: 'Arial'">disconnecting means and to the grounding electrode(s). The</span></p><p> <span style="font-family: 'Arial'">equipment grounding conductor shall be used for grounding</span></p><p> <span style="font-family: 'Arial'">or bonding of equipment, structures, or frames required</span></p><p> <span style="font-family: 'Arial'">to be grounded or bonded. The equipment grounding</span></p><p> <span style="font-family: 'Arial'">conductor shall be sized in accordance with 250.122.</span></p><p> <span style="font-family: 'Arial'">Any installed grounded conductor shall not be connected</span></p><p> <span style="font-family: 'Arial'">to the equipment grounding conductor or to the grounding</span></p><p> <span style="font-family: 'Arial'">electrode(s).</span></p><p> </p><p> <span style="font-family: 'Arial'">Exception: For existing premises wiring systems only, the</span></p><p> <span style="font-family: 'Arial'">grounded conductor run with the supply to the building or</span></p><p> <span style="font-family: 'Arial'">structure shall be permitted to be connected to the building</span></p><p> <span style="font-family: 'Arial'">or structure disconnecting means and to the grounding</span></p><p> <span style="font-family: 'Arial'">electrode(s) and shall be used for grounding or bonding of</span></p><p> <span style="font-family: 'Arial'">equipment, structures, or frames required to be grounded</span></p><p> <span style="font-family: 'Arial'">or bonded where all the requirements of (1), (2), and (3)</span></p><p> <span style="font-family: 'Arial'">are met:</span></p><p> </p><p> <em><span style="font-family: 'Arial'">(1) An equipment grounding conductor is not run with the</span></em></p><p> <em><span style="font-family: 'Arial'">supply to the building or structure.</span></em></p><p> <em><span style="font-family: 'Arial'">(2) There are no continuous metallic paths bonded to the</span></em></p><p> <em><span style="font-family: 'Arial'">grounding system in each building or structure involved.</span></em></p><p> <em><span style="font-family: 'Arial'">(3) Ground-fault protection of equipment has not been installed</span></em></p><p> <em><span style="font-family: 'Arial'">on the supply side of the feeder(s).</span></em></p></blockquote><p></p>
[QUOTE="Kevin Graf, post: 63885, member: 1897"] Re: Where do you put the ground rod? While this is about a separate building, I think that it still applies: [FONT=Arial]Separate Building Ground[/FONT] [FONT=Arial] [/FONT] [FONT=Arial]250.32(B) (B) Grounded Systems. For a grounded system at the[/FONT] [FONT=Arial]separate building or structure, an equipment grounding conductor[/FONT] [FONT=Arial]as described in 250.118 shall be run with the supply[/FONT] [FONT=Arial]conductors and be connected to the building or structure[/FONT] [FONT=Arial]disconnecting means and to the grounding electrode(s). The[/FONT] [FONT=Arial]equipment grounding conductor shall be used for grounding[/FONT] [FONT=Arial]or bonding of equipment, structures, or frames required[/FONT] [FONT=Arial]to be grounded or bonded. The equipment grounding[/FONT] [FONT=Arial]conductor shall be sized in accordance with 250.122.[/FONT] [FONT=Arial]Any installed grounded conductor shall not be connected[/FONT] [FONT=Arial]to the equipment grounding conductor or to the grounding[/FONT] [FONT=Arial]electrode(s).[/FONT] [FONT=Arial] [/FONT] [FONT=Arial]Exception: For existing premises wiring systems only, the[/FONT] [FONT=Arial]grounded conductor run with the supply to the building or[/FONT] [FONT=Arial]structure shall be permitted to be connected to the building[/FONT] [FONT=Arial]or structure disconnecting means and to the grounding[/FONT] [FONT=Arial]electrode(s) and shall be used for grounding or bonding of[/FONT] [FONT=Arial]equipment, structures, or frames required to be grounded[/FONT] [FONT=Arial]or bonded where all the requirements of (1), (2), and (3)[/FONT] [FONT=Arial]are met:[/FONT] [I][FONT=Arial] [/FONT][/I] [I][FONT=Arial](1) An equipment grounding conductor is not run with the[/FONT][/I] [I][FONT=Arial]supply to the building or structure.[/FONT][/I] [I][FONT=Arial](2) There are no continuous metallic paths bonded to the[/FONT][/I] [I][FONT=Arial]grounding system in each building or structure involved.[/FONT][/I] [I][FONT=Arial](3) Ground-fault protection of equipment has not been installed[/FONT][/I] [I][FONT=Arial]on the supply side of the feeder(s).[/FONT][/I] [/QUOTE]
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Where do you put the ground rod?
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