I
Nevada Power Company
P.O. Box 230
L•• Vega., Nevede 89151
Tariff No. 1-8
cancels
Tariff No 1-A (withdrawn)
_O::..;r::..;l.;;;..g·,/..:;i;;,;;n::..;a......;l~_ _ _ _ P.S.C.N.Sheet No.l06
Cancelling
P S C.N Sheet No
Rule No. 20
'lYPES OF lI-lETERING INSTALlATIONS
A.
D:Jnestic Service, Single or 'Ibree Phase, 0-200 Arrperes:
l~
Service Entrance Switch: Customer shall furnish and install an enclosed
service entrance switch of a sufficient carJacity to disconnect
Customer's service under load. TIle recommended minimum capacity for
service entrance switch is 100 amperes.
2.
Meter Sod~et*: For installations requiring a 100 ~pere or le£s service
entrance svlitch, the Customer shall fur.nish and install a standard 100
a.rrpere capacity meter socket for a sel:::-contained meter.
3.
Heavy D..ltLMeter Soclcet~: For installations requiring rrore than 100
amp;res Clr less than a 200 anpere service-entrance switch, the Custon:er
shall furnich and install a heavy duty meter socket for a self-contained
mater.
*Certain mater sockets, mater socket boxes and mater loop pull boKes are
appraved by the Util i ty • Unappravecl d ~v ices are not acceptable. Ap­
praved listing of these devices is avaLlable at Utility office.
B.
General Service, Single or 'Ihree Phase, 0-200 Arrperes:
1.
Service Entrance Switch: Customer shall furnish and install an enclosed
service-entrance switch of sufficient capacity to disconnect Customer1s
service Wlder load.
2.
Safety SOcket Meter Box*: Fbr installations requl.rl.ng a 100 ampere or
less service-entrance switch and for voltages up to 300 volts, the
Customer shall furnish and install a slfety socket box and 100 ampere
socket as appraved by the Utility.
3.
Heavy Duty Safety Socket Meter Box*: .FOr installations requiring a 200
ampere service-entrance switch and for voltages up to 300 volts the
Customer shall furnish and install a heavy duty safety-socket box and
a heavy duty 200 ampere socket* as app~ved by the Utility for a self­
contained meter.
4.
'Ihree Phase, 480 Volts: For installations requl.rl.ng a 100 ampere or
less service-entrance switch, the Customer shall furnish and install a
Issued By:
Issued:
Effective: t-lay 30, 1980
Advice
Conrad L. Ryan
President
No.: 10
~____________________~_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _L _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _~
Nevada Poy!er Company
P.O. BOJ( 230
La. Vega., Nevada 89151
Tariff No. 1·8
cancels
Tariff No. 1-A (withdrawn)
_O;:;.;r;:;.;~=-·q;o..;~;:.:'n.:..;;a;:.:l;;....-_ _ _ _ p .5. C.N. 5 heet
Cancelling
No.1 07
P.5 C.N. Sheet No_
Rule No. 20
'l.YPES OF NETERING INSTALI.ATIONS
(Continued)
meter loop pUll oox* as approved by the Utility for an "A" base type
J'{l':ter. All such installations with a service-entrance switch exceeding
100 ampere rating shall be instrument transforme~ ~ype (See Section
"C").
*Certain n..:ter sockets, meter socket ooxesand rreter loop pull ooxes are
approved by the Utility. Unapproved devices are not acceptable. Ap­
proved listing of these devices is available at Utility office.
C.
I.:Onestic & G:neral Service lID::Jve 200 An:peres, Single or Three Phase, 0-300
Volts and 480 Volt, Three Phase Above 100 Amperes.
1.
For instn.llations either single phase or three phase, 0-300 volts where
the load is rrore than 200 anperes and three phase 480 volts instal­
lations ,.·mere the load is more than 100 amperes, the Utility will fur-n­
ish and Customer shall install instrument transformers of the required
size and type which Utility deems suitable. Where such instrument
transforrer is installted I the Utility may require that the rr.eter not be
self-contained in which case no ITeter socket need be furnished by
CUstomer. The use of iron or steel bolts for connecting conductor con­
nectors to the current transformer primary conductor bar is prohibited.
"Everdure" bolts or equivalent are required to insure the use of current
transformer thermal capacity ratings.
2.
Non-Swib~rd
3.
Swit~~rd Metering ~ipment;
Customer shall submit manufacturer's
drawings of proposed switchboard for approval of metering installation.
4.
NultiEle Meter Installations are necessary where:
Current Transformer Metering Equipment: FOr instal­
lations r.equiring current transformer metering equipment as specified in
Paragrapn 1 of this section, Cusbomer shall furnish and install a meter
loop pull box and rretal cabinet for housing the current transformers in
accordance with the specifications as approved by the Utility.
a.
b.
CUstomer receives rrore than one character of service.
More than one Customer is located in a single building.
Iss.ued By:
Issued:
Effective: May 30, 1980
Advice
No.: 10
Conrad L. Ryan
President
Nevada Power Company
P.O. Dox 2:)0
L•• Vegal, Ne.,.d. 89151
Tariff No. 1-8
cancels
Tariff No. 1-A (withdrawn
_O:;.;r:;.;i;;;..g~i;.;;,n;.;;,a;.;;,l:...--_ _ _ _ p .5. C. N. Sheet
Cancelling
No.1 0 8
P 5 C.N Sheet No.
Rule No. 20.
TYPES OF METERING INSTA.LlATIONS
(Continued)
c.
TWo or more buildings or structures are located on the same lot and
Utility requires more than one'meter.
d.
Each meter position in multiple meter installations shall be
clearly and prominently marked in a parmanent manner by the
Customer to indicate the particular location supplied by it.
Meters will not be installed until the markir~ is complete.
SUch multiple meter installations shall be made in accordance wit.~ the
specifications as approved by the Utility. Customers who require such
installations shall first consult with the Utility."
D.
General Service for Non-Standard Voltages:
At the time Customer applies for such servi-.:::e f Utility will specify the types
of equiprent vlhich Custoner will be required to furnish and install.
E.
Meter locations, New or Altered:
-
1.
All rnetering installations shall be lo::ated on the outside of Custorrer' s
building or structure in accordance with the specifications as approved
by the Utility and shall be accessible to the Utility's representatives
at any reasonable time.
No meter installation shall be located:
2.'
a.
b.
c.
d.
e.
f.
g.
h.
i.
any floor higher than the grou.ld floor:
In any place Where IIOisture, fl.1lfes or dust may interfere with its
o.peration or materially damage th·.:! installation;
In any elevator shaft or hatchwaY1
In any hazardous location;
In any place not in general use;
Directly over any stairway, ramps, or steps:
Ql any surface subject to a vibration which the Utility deems ex­
cessive:
In any doorway~
On or recessed with the external surface of any wall of any
On
Issued:
Issued By:
Effective:
Advice
May 30, 1980
Conrad L. Ryan
President
No.: 10
~__________________~________~______________________L -_____________________
!
Nevada Power Oompany
P.O. Box 230
Le. VegllD, Nevada 89151
Tariff No. 1-8
cancels
Tariff No 1-A (withdrawn)
....;O;:;.:r:..:i::...;qz.:i:.,:.n;;.;;a;;.;;l:....-_ _ _ _ P.S. C.N. Sheet N 0,109
Cancelling
P.S C N Sheet No.
Rule No. 20
'IYPES OF METERING INSTALlATIONS
(Continued)
buildin~ that is built wi thin three (3) feet of any property 1 ine
or on the line of any walk, alley, or driveway giving access to
commercial or industrial property, except when p;:nnitted by Util­
ity.
3.
Since ltEters may be noisy at tines, the Utility recanmends that rretering
locations on exterior walls of bedrooms or bedroom closets be avoidEd
whenever possible.
Issued By:
Issued:
Effective: J.1ay 30, 1980
Advice
Conrad L. Ryan
President
No.: 10
r....
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