Gambar halaman
PDF
ePub
[graphic][merged small]

SOLID NEUTRAL

The question of using a slid neutral is almost as important as the question of concentric wire. When circuits had to be

letely stated it was proper to require a fuse on each wire se each wire might become dangerous.

[graphic][ocr errors][ocr errors][ocr errors]

4

..

[ocr errors]
[ocr errors]

!

este only, the

at! son etin es danger

repared us danger when

:

on the wire to the grom! i ned ad it is n willen in the situation It is Fourier, will re, ed in h

on the growled sle of two wire bran hes, prob

[merged small][ocr errors]
[ocr errors]
[ocr errors][subsumed][subsumed]

So far as we know, the Sprague Works of the General Electric Company are the only manufacturers that have taken any action on this point. They have prepared a bulletin showing a panelboard with sond neutral, an illustration of which is shown on page 35, and on this page a present style of panelboard with the double fuses is shown. The saving in cost is distinct, and in large buildings will constitute quite an item.

[graphic][subsumed][merged small]

Two 5-INCH SINGLE BRANCH PANELS MOUNTED ON COMMON BASE HAVING MAIN SWITCH AND FUSES AND BRANCH SWITCHES WITH ENCLOSED FUSES

The Committee recommends that members bring this construction to the attention of architects and wiring contractors, Each installation will need special approval by the inspection authorities, just as the first installations with grounded neutral contravened the Code, and could be made only by special permission.

Comittee believes, however, that must inspection es will approve the construction with solid neutral when is properly laid before t'em, and that the result will I sang to f'e ultimate consumer, resulting in a use of our service.

[merged small][merged small][ocr errors][ocr errors][ocr errors]
[graphic][merged small][graphic][merged small][merged small][graphic][merged small][merged small][merged small]
« SebelumnyaLanjutkan »