On Sun, 04 Sep 2016 00:18:20 +0100, "James Wilkinson"
The ironic thing is you could build a brand new house today and use a
fuse panel as long as you had the "type S" rejection devices in the
sockets that prevent putting in the wrong fuse.
The problem becomes the 240v circuits where there is no rejection
device although the 30a class fuse holder will not take a 40 or 50.
The problem would be the range, wired with 8ga and the next size fuse
holder that will take a 60.
Then you get down to the AFCI and GFCI requirements although the code
does allow the "device type".
There is also no money to be saved by doing it. If you could find a
200a fuse panel, it would cost more than a breaker panel by the time
you also bought all the required AFCIs and GFCIs.
My circa 1971 house in Md did have a 200a fuse panel and aluminum
wire. It hasn't burned down yet.
On Saturday, September 3, 2016 at 1:14:05 PM UTC-5, Helen Keech wrote:
The GFCI looks for equal currents in the hot and neutral conductors, using
a transformer with both windings connected. A third winding will have an o
utput if the (other) two currents are not equal. This is why a GFCI will s
ometimes trip on "noise", because while equal the two currents are at 60 Hz
, there is noise" at some higher frequency that is not equal on both conduc
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