The Denison review. [volume] (Denison, Iowa) 1867-current, 1916-03-29

to insure electrical conductivity ant
mechanical strength.
Third. Before any entrance into
any building is installed. the contract
or or person doing the wiring mus
first obtain from the Electric Depart
ment of Denison, Iowa, a written state
ment in duplicate as to where entrance
to building must be made to avoid
bracketting or in any manner running
service wires across windows or a
cross the surface of the building. One
OF these duplicate statements must
be placed on file with the Electrical
Department. Fer overhead service,
all entrances must be made in approx
ed conduit work; the outer end OF
the conduit must be provided with an
approved fitting and inner end must
properly enter and be attached to an
approved steel cabinet.
Entrance cabinet must be grounded.
ground connections must be made to
water pipe between meter and the
street or to an approved ground plate
in the basement, said connection to
be not smaller than No. 6 B. & s..
gauge. The entrance connections from
the main cut-out to the outside OF the
building to be made with at least No.
10 B. & S.. approved rubber covered
double braid wire. Such wire should
extend at least four feet beyond outer
entrance fitting.
Fourth. Entrance cut-outs and
switches must be placed III all service
wires either over head or under the
ground at a point where the wires
enter the building, and arranged to
cut off the entire circuit.
Fifth The drop or loss Of pOten.
tial in wires must not exceed two per
cent of total potential with full load
between entrance cut-out and distrib-
uting point.
Sixth. Fuses and cut-outs must be
enclosed in an approved dirt tight,
steel cabinet, in plain sight and read
lily accessible; they must not be plac-
ed in canopies or shells at fixtures,
and must be so placed that no set
of incandescent lamps require more
than ego watts or thirteen sockets or
receptacIes, whether grouped on one
fixture, or on several fixtures or pen
dents, will be dependent upon one
cut-out or eight outlets. on one cir
cult.
Seventh. The so-called roughing in
of concealed knob and tube wiring IS
understood to mean that all wires be
concealed. properly installed and ready
to be covered up, all outlets properly
made and completed as required by
these rules, all fuses, cabinets and nee
essary cut-outs in place, entrance and
meter loop and meter board proper
ly installed, all circuits properly wiz
ed. connected and insulated
Eighth. No job Of roughing in, con-
cealed knob and tube work will be con-
sidered complete until all plumb
ing, heating, gas, water pipe and other
metal work of the building which might
possibly interfere with the electrical
installation is completed.
Nine. Armored construction, iron
conduit, armored cable and metal
moulding work.
Ten. Wires must have an approx
ed rubber insulating covering and
must. within the conduit, tubing or
metallic armor, be without splices or
taps.
Eleven. The same conduit or metal
lie armor must not contain more than
four two-wire or three three.Wire cir
cults, except by special permission OF
the inspector. and must never contain
circuits of different systems.
Twelve. Conduit must be contin-
uous from outlet to outlet or junction
boxes. and must properly enter and be
secured to all fittings and the entire
system must be MECHANICALLY secured
in position.
Thirteen. Conduit must be INSTALL
ed as complete conduit system with
out the conductors.
Fourteen. Outlet boxes or plates
must be SO installed that thew will be
flush with the finished surface, and
if the surface is broken, it shall be
repaired so that it will not show any
gaps. All conduit work shall be wir-
ed with an approved, double braid,
rubber covered wire.
Sec. 9: No person or company shall
without first obtaining the written con-
sent OF the Electric Light Committee
of the city of Denison, Iowa, connect