The Key West citizen., 1954-02-22


have an approved ''seal-off" fitting.
(bb) The minimum wire capa-
city for window display lighting
shall not be less than 100 watts
per linear foot. and shall not ex-
ceed eight outlets per circuit, in-
cIuding the convenience recepta>l-
es. and not more than two recep-
tacles with each lighting circuit.
Section 10. SIGN LNSTALLA-
TIONS.
(a) All rules and regulations per
tanning to the installation Of low
voltage wiring shall also apply to
the installation Of conductors for
neon and cold cathode high-voltage
wiring.
(b) Drain holes shall be proyid-
ed in transformer enclosures ex-
posed to the weather and shall be
reamed or otherwise trimmed TO
remove burrs or rims that would
hold water in the enclosure. Trans
formers shall be mounted on the
parapet wall at a workable dis
tance above the roof, except when
special permission is obtained
from the Electrical Inspector to
install the transformer and en-
closures on the roof. II mounted
on the roof. the transformer en-
closure must be elevated at least
two inches above the roof. Wood
shall not be used to mount and
elevate a transformer enclosure.
Section ~. PORTABLE NEON
SIGNS. Portable neon signs shall
be equipped with a three-wire cord
and a three-wire polarized plug, A
three.wire polarized receptacle
shall be located within six feet Of
the sign, the green wire Of which
shall ground. the transformer and
the metal parts of the sign to the
conduit system of the building.
Section 20. HIGH VOLTAGE
WIRE. All isolated runs of cleo
tric metallic tubing enclosing a
high-voltage wiring system shall
be grounded regardless of length.
The conductors which run from
the grounded mid-point or ground.
ed end of a sign transformer may
be 6O0-vOlt rubber-covered wires,
but they shall be installed in cleo
trical metallic tubing or rigid con-
duit. Conductors In glass tubing on
Stand-off inSulators can be install
ed only by special permission from
the Chief Electrical Inspector.
Section Il. FLASHERS. TIME
CLOCKS, TRANSFORMERS, ETC.
(a) When flaShers and time
clocks are to be installed, each Of
such connections shall be consid-
cred an outlet, and permits for
same are necessary.
(b) When tubes are removed for
repairs, jumpers shall be installed
lin high-voltage wire, supported
with the same clearance as tube,
but the jumpers must be removed
within seven days.
(c) Only window-type and por-
table transformers may be plugged
in. All other transformers shall be
permanently connected with an ap.
proved method of wiring.
(d) Tubulation glass and tie-wire
shall not be permitted on any Sec
ondary wiring. Bare wire may be
used for wall signs on the outside
of buildings when installed in COM
pliance with the following regula-
,tionS:
Conductors shall not be smaller
than No. IA wire. Conductors and
tubing of the sign shall not be in
stalled on the r00fside Of the para
pet or on top of any roof, or be
installed nearer than six inches to
the top of the parapet wall. Con-
.ductors shall be supported on ap-
proved inSulatorS which are spaced
not more than eighteen inches
apart. These insulators shall be all
glass and at least one and one-half
inches long. Conductors shall be
maintained at a height of at least
eight and one-half feet from the
ground.
Conductors or the tubing Of signs
shall not be installed on walls
where they can be reached from
platforms, fire escapes, or through
windows, doors, or other similar
openings.
Section n. INTERIOR WINDOW
SIGNS AND WINDOW BORDER
LIGHTING.
(a) Window type sign-trans-
formers shall be used for window
signs, and they must be especially
designed for this purpose, unless
the signs are installed in COM
Ipliance with Paragraph (e) Of this
section.
(b) A sign Of the above type
shall be designed and installed to
form a complete unit in itself. This
unit or sign shall be designed so
that the frame will carry the en-.
tire weight of the sign. This frame
shall be fastened TO the window sill
or other part of the window so that
the glass will not carry the weight
of the sign.
(c) When signs Of this type are
made UP of two or more units,
the tubing shall be so designed