dcsimg

greg

  • google “lumen output 4 foot fluorescent”, and look up the type of lamp you have- t12 or t8 4 foot or 8 foot and color, you will see how many lumens approximately you are trying to replace. the problem is that the same lamp will give different output of lumens by some percentage with different ballasts but at least you know what you are shooting…[Read more]

  • greg replied to the topic device wiring/box fill in the forum Electrical 2 years, 11 months ago

    there are a couple of things to keep in mind with box fill. 1)it is not a science but more of a rule of thumb thing. Yes there are hard and fast rules and calculations, but I think the original background information was pretty much guess and by golly, and also hasn’t changed for decades even though insulation thicknesses, device dimensions, and…[Read more]

  • greg became a registered member 2 years, 11 months ago

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