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Old 11-20-2015 | 06:39 PM
  #9252  
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pascalfd
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From: Atlanta, GA
Default Plugs identification ?

How to tell a #4 from a #5 ?

I have been using a #4's in the summer and #5's rest of the year here in GA. I have all my still good plugs in the same bag and now realize I can't tell one from another .. no marking I can tell. Any way to tell a #4 from a #5 ?
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