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reference:grounding [2014/11/21 19:21] – [Connections] correct links Alan Sheareference:grounding [2015/07/03 19:28] – [Master Ground Bar] Alan Shea
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 ====Master Ground Bar=== ====Master Ground Bar===
 McMaster Carr - www.mcmaster.com McMaster Carr - www.mcmaster.com
-  * [[http://www.mcmaster.com/#8964K411|8964K411]] Copper (Alloy 110) bar, 1/8" x 2" x 12" -- drill 9/32" holes for bolts & standoffs + 
-  * [[http://www.mcmaster.com/#94335A151|94335A151]] Ceramic standoff, 3/4"x1"dia, threaded for 1/4"-20 (optional - could use painted wood block)+Basic Ground Bar  
 +  * [[http://www.mcmaster.com/#8964K411|8964K411]] Copper (Alloy 110) bar, 1/8” x 2” x 12” -- 318 kcmil equivalent((kcmil: 1/8" x 2" x 1273 = 318,250 circular mils)) 
 + 
 +Better Ground Bar 
 +  * [[http://www.mcmaster.com/#8964K22|8964K22]] Copper (Alloy 110) bar, 1/4" x 2" x 24" -- 636 kcmil ((kcmil: 1/4" x 2" x 1273 = 636.5 circular mils))
  
 Professional Ground Bar Professional Ground Bar
 +  * [[http://www.mcmaster.com/#88865K315|88865K315]] Silver-plated copper bar, 1/4" x 2" x 3ft ((Silver plating reduces oxidation resistance with age; although copper oxide is still a good conductor, silver oxide is a very good conductor. In contrast, Aluminum oxide is a very good insulator.)) 
 +
 +Mounting Hardware -- Drill 9/32" holes for bolts & standoffs
 +  * [[http://www.mcmaster.com/#94335A151|94335A151]] Ceramic standoff, 3/4"x1"dia, threaded for 1/4"-20 (optional - could use painted hardwood block)
   * [[http://www.mcmaster.com/#71375K79|71375K79]] Ground bar mounting kit (~$25)   * [[http://www.mcmaster.com/#71375K79|71375K79]] Ground bar mounting kit (~$25)
-  * [[http://www.mcmaster.com/#88865K315|88865K315]] Silver-plated copper bar, 2" x 1/4" x 3ft (~ $75) 
  
 +Cable Connection Hardware
 +  * One each bolt, nut & lock washer, & 2 washers per connection 
   * [[http://www.mcmaster.com/#92240A539|92240A539]] Stainless steel hex head cap screw, 1/4"-20 x 5/8", pk 50   * [[http://www.mcmaster.com/#92240A539|92240A539]] Stainless steel hex head cap screw, 1/4"-20 x 5/8", pk 50
   * [[http://www.mcmaster.com/#92673A113 |92673A113]] Stainless steel hex nut, 1/4"-20, 7/16" width, 7/32" height, pk 50   * [[http://www.mcmaster.com/#92673A113 |92673A113]] Stainless steel hex nut, 1/4"-20, 7/16" width, 7/32" height, pk 50
reference/grounding.txt · Last modified: 2018/05/28 22:29 by 127.0.0.1

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