Cyclopedia of heating, plumbing and sanitation; a complete reference work . — FIXTTJHE5. —. I START AT I NO AT is [E i O6 ?, i I B5 i;r t lP ,. ,., ,-19 ?\ 15 rb prl ?-?: :: ?I- il; ? - . \J ft ! 7 TH It ? J -ni i [mtm il- i»- it : •.*?.?•. f JH ?, ? . , ?? i ^t ,., te - | >.< | 1!! j : 35l -S- i. 7, i : 4H4, « ?;; a -s- 1 3 <V .1 - .. -. 7« T 4 « CMPTY CONDUIT ONLY Of INTCRCOWWCCTIONBOX FOR TICKLRSsNCSSDJGtR SCCTIONOf iHTUBCONMCCTtON — BOXES.— s § RED OF \.12 ES L. « 4 sin S Th -tf- .; 4A : ? TOTALS 1 ?? 127: - Fig. 46. Wiring of an Office Bu
Cyclopedia of heating, plumbing and sanitation; a complete reference work . — FIXTTJHE5. —. I START AT I NO AT is [E i O6 ?, i I B5 i;r t lP ,. ,., ,-19 ?\ 15 rb prl ?-?: :: ?I- il; ? - . \J ft ! 7 TH It ? J -ni i [mtm il- i»- it : •.*?.?•. f JH ?, ? . , ?? i ^t ,., te - | >.< | 1!! j : 35l -S- i. 7, i : 4H4, « ?;; a -s- 1 3 <V .1 - .. -. 7« T 4 « CMPTY CONDUIT ONLY Of INTCRCOWWCCTIONBOX FOR TICKLRSsNCSSDJGtR SCCTIONOf iHTUBCONMCCTtON — BOXES.— s § RED OF \.12 ES L. « 4 sin S Th -tf- .; 4A : ? TOTALS 1 ?? 127: - Fig. 46. Wiring of an Office Building. Diagram of the Interconnection System. ELECTRIC WIRING G3 basement; adjoining this main box is located the terminal box of thelocal telephone company. A separate system of feeders is providedfor the ticker system, as these conductors require somewhat heavierinsulation, and it was thought inadvisable to place them in the sameconduits with the telephone wires, owing to the higher potential ofticker circuits. A separate interconnection cable runs
Size: 2170px × 1152px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthoramericanschoolchicago, bookcentury1900, bookdecade1900
