Just trying to keep up....

[Pierre C Belarge]

The notes to Tables 11(A) & (B), plus other changes made to the NEC have me spinning a little, okay a lot!

Is there a link to information that will help one to understand some of this stuff?

I understand how solid state/electronic power supplies change the waveform. What I am not sure of, is how to apply it to pools, Art 393, etc.

Any help would be great.

Thanks
Pierre

 

[MasterTheNEC]

The notes to Tables 11(A) & (B), plus other changes made to the NEC have me spinning a little, okay a lot!

Is there a link to information that will help one to understand some of this stuff?

I understand how solid state/electronic power supplies change the waveform. What I am not sure of, is how to apply it to pools, Art 393, etc.

Any help would be great.

Thanks
Pierre

@Pierre - While this document is dated it does explain the use and intent of Table 11(A) and (B) rather well so I figured I would post it for your viewing. http://escventura.com/manuals/sola_introNECclass2_rg.pdf

 

[MasterTheNEC]

@Pierre - While this document is dated it does explain the use and intent of Table 11(A) and (B) rather well so I figured I would post it for your viewing. http://escventura.com/manuals/sola_introNECclass2_rg.pdf

I should probably also add this which was posted by Mr. Stalcup in an article he did for EC Magazine.

"For information purposes and not for design criteria nor for field-constructed installed power sources, the actual permitted values of voltage and current that Class 2 and 3 circuits are allowed to deliver can be found in Table 11(A) for AC systems and Table (B) for DC systems in Chapter 9 of the NEC."