Lighting load, for the sake of a Load calculation

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mivey

mivey

Senior Member
~Shado~ said:
Although I haven't had a lot of experience in this matter...but ...would the fact that the OP stated this was a whole house set up, be the reason for requiring it to accomodate everything?
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That was the original plan until he found it would not carry all of the loads calculated under 220.

Then he said he could drop some load from the generator. The generator only has to carry the load transferred to it. With an ATS, any load transferred must be calculated according to 220 but it does not say that you have to transfer every possible load, as long as this is done automatically. With a manual transfer, you can manually cut loads on & off.

Why does the inspector get to pick what load is automatically transferred? The inspector was correct about the 220 calculation using the fixture rating. He was incorrect to specify which loads have to be transferred.
 
mivey

mivey

Senior Member
mivey said:
Because changing the trim modifies the fixture.
Look here:
http://www.cooperlighting.com/specfiles/pdf/Halo/ADV042498_H27ICAT.pdf

Depending on the trim kit installed, the fixture could be limited to 40 or 50 or 65 or 75 or 150 watts.
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That does not mean someone can't put a 75 watt lamp in a 65 watt trim, etc., but that would exceed the maximum rating of the trim. The maximum rating is what we are after.

As I'm sure you know, some trims are not just the little donut piece but include the bracket that holds the porcelain socket as well.
 
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