Modern Electrical Construction a Reliable Practical Guide for the Beginner in
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In our eReader you can find the full English version of the book. Read Modern Electrical Construction a Reliable Practical Guide for the Beginner in Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Modern Electrical Construction a Reliable Practical Guide for the Beginner in
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125 "When possible, switches should be so wired that l/. Ades will be "dead" when switch is open. If knife switches are used in rooms where combustible flyings would, be likely to accumulate around them, they should be enclosed in dust-tight cabinets. (See note under No. 17 b. ) Even in rooms where there are no combustiblo materials it is better to put all knife switches in cabinets, in order to lessen the danger of accidental short circuits being made across their exposed metal parts by carele...ss workmen. Up to 250 volts and thirty amperes, approved indicating snap switches are advised in preference to knife switches on lighting circuits abcut the workrooms. To comply with this rule will ordinarily bring the fuses of knife switches directly under the handle of switch. If there happens to be a short circuit 0:1 the \vires when switch is closed the fuses will blow instantly and very li'. Iely burn the operator's hand. In connection with such switches cartridge fuses should be used or the switches, especially the larger ones, closed by O II Figure 70 Figure 71 pushing them in with a stick.
What to read after Modern Electrical Construction a Reliable Practical Guide for the Beginner in?
You can find similar books in the "Read Also" column, or choose other free books by Henry Charles Horstmann to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
125 "When possible, switches should be so wired that l/. Ades will be "dead" when switch is open. If knife switches are used in rooms where combustible flyings would, be likely to accumulate around them, they should be enclosed in dust-tight cabinets. (See note under No. 17 b. ) Even in rooms where there are no combustiblo materials it is better to put all knife switches in cabinets, in order to lessen the danger of accidental short circuits being made across their exposed metal parts by carele...ss workmen. Up to 250 volts and thirty amperes, approved indicating snap switches are advised in preference to knife switches on lighting circuits abcut the workrooms. To comply with this rule will ordinarily bring the fuses of knife switches directly under the handle of switch. If there happens to be a short circuit 0:1 the \vires when switch is closed the fuses will blow instantly and very li'. Iely burn the operator's hand. In connection with such switches cartridge fuses should be used or the switches, especially the larger ones, closed by O II Figure 70 Figure 71 pushing them in with a stick.
What to read after Modern Electrical Construction a Reliable Practical Guide for the Beginner in?
You can find similar books in the "Read Also" column, or choose other free books by Henry Charles Horstmann to read onlineMoreLess
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