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Electrical Procedures
Hibbing Public Utilities
Electrical Load Emergency Cods
Electrical Meter Installations
Electrical Reconnections after Building Fire
Electrical Service Istallations
Electrical Service Line Repair
Hanging Banners for Community Groups
Street Lighting New Development
Use of 240 V Outlets - Howard Street
Use of Other Electric Services
Use of Tree Guard 120V Outlets - Howard Street and First Avenue
Customers must pay for the cost of maintenance and special installation necessary to meet their particular requirements for service outside of the HPUC’s standard voltage and phase. Customers must pay for the supply of closer voltage regulation than furnished under the HPUC’s standard policies.
Motor Service
Information as to the
availability of service must be obtained from the HPUC Engineering
Department.
The HPUC is not
responsible for
the voltage regulation for mixed light and power installations to a
greater
extent than required for power installation.
Motors frequently
started or
motors arranged for automatic control must be of a type to give maximum
starting
torque with minimum current, and must be equipped with controlling
devices
approved by the HPUC.
All wiring and other electrical
equipment on the
premises and furnished by the customer must be maintained by the
customer at all
times in accordance with the requirements of the Minnesota Electrical
Safety
Code, the National Electric Code, and HPUC regulations.
A customer’s electrical apparatus that
is used in
conjunction with and operated by energy furnished by the HPUC must be
designed,
constructed, installed, and operated so as not to interfere
unreasonably with
the HPUC’s service to other customers. The
HPUC may discontinue service to the customer until the conditions
causing the
interference are corrected. (back to top)
To ensure that the
electrical
systems of customers are adequately supplied with high reliability by
the HPUC,
electrical contractors are requested to adhere to the following
guidelines:
1) Request for Electrical Inspection
form:
In accordance with the State Board of Electricity, electrical contractors are required to submit the photo copy of the Request for
Electrical Inspection form to the HPUC before power can be
connected or
reconnected. A faxed copy is acceptable. Without the photo or a faxed copy on file, the HPUC Line Crew is not authorized to connect or reconnect power for a contractor.
2)
Metering:
a. Commercial customers are allowed one electrical meter for a service voltage class.
b. Up to two electrical services with one meter per service are allowed for a commercial building provided the services are not the same voltage class.
c. In buildings with both residential and commercial space, there may be more than one meter to separate the residential and commercial customers. At minimum, 1 commercial meter will be installed.
d. Electrical meters must be located in one accessible location
near the
electrical service entrance panel.
3) Communication with the HPUC:
Electrical contractors are asked to contact the HPUC prior to bidding or construction when installing new electrical load for a customer if the HPUC metering, service conductor size, or transformer loading could require modification.
The HPUC can not
do any electrical work for a customer except to connect or reconnect
electrical
power. Residential electrical work
can be done by customers themselves or by a licensed electrical
contractor.
Upon completion of the electrical work, the customer must have
the work
inspected.
Electrical
Inspection Procedure:
1. Upon completion of the electrical work, the customer or contractor contacts the State Electrical Inspector to come and inspect the work.
The work is inspected for compliance with the National Electric
Code.
2. The customer or contractor purchases the Request
for Electrical Inspection form from the HPUC for $1.00.
The HPUC also provides an informational brochure on residential electrical work to the customer or contractor.
3. The customer or contractor completes the Request
for Electrical Inspection form and the State Electrical Inspector signs it following the inspection.
4. The photo/faxed copy of the form is submitted to the HPUC Service Department. In accordance with Minnesota Statute 326.244 INSPECTION, the photo copy or faxed copy must be on file or the HPUC Line Crew is not authorized to connect or reconnect power for a customer or contractor.
5. The customer or contractor mails the Request for
Electrical Inspection
form to the State. All customer
questions about the electrical work should then be directed to the
State
Electrical Inspector.
6. For electrical work done by a customer and not an electrical contractor, the HPUC Line Crew will verify inspection of the work by identifying the yellow “Rough-in” sticker signed by the State Electrical Inspector and affixed to the new service panel. The HPUC Line Crew will not connect or reconnect power unless a “Rough-in” sticker is present. (back to top)
Electrical Load Emergency Control
A load emergency situation exists when:
1) The demand for power on all or part of the HPUC’s system exceeds
or
threatens to exceed the generation available to supply such
demands.
2) System instability or cascading outages could result from overloads of the transmission system in the Midwest area of the United States.
3) Conditions in the system of another public utility or the M.A.P.P. power pool with which the HPUC system is interconnected could cause reduction in the capacity available to the HPUC from the source, or threaten the integrity of the HPUC’s existing system.
During a load emergency, the HPUC will take reasonable steps to bring the demands within the available capacity. Such steps will include, but are not limited to, a reduction or interruption of electric service to one or more customers, in accordance with HPUC procedures for controlling load. The HPUC will not be held liable for any resulting damages that occur as a result of the capacity shortage and interruption of service. (back to top)
Ownership of Meters
Number of Meters Allowed
One single meter is allowed for residential electric service. The meter can be in the garage or in the house. The HPUC does not allow a separate meter for the garage unless it is a business where a demand meter is required.
2) Commercial:
a. Up to two meters are allowed for a commercial building if the
electrical
services are not the same voltage
class.
b. A commercial building with 5 or more individual apartments can
be metered
by one meter for block billing, or by multiple meters to bill each
apartment
separately
c. A commercial building with both business and residential space may have more than one meter to separate the business and residential billing. At minimum, 1 commercial meter will be installed.
d. A commercial building with one commercial meter may add a
residential
meter if that part of the building is wired separately and inspected by
the
State Electrical Inspector.
e. Meters for commercial buildings must be located in one
accessible
location near the electrical service entrance panel.
Outside Installation
1) The HPUC requires that the electric meter and meter base be installed outside for all new homes and existing homes that are installing new electrical service.
2) The meter must be mounted five feet above the ground on the house or garage or yard pole. (back to top)
Ownership of Meter Base
The customer owns the
meter base. Customers can purchase a meter
base from the HPUC or from
elsewhere provided the meter base meets HPUC specifications.
The HPUC sells meter bases for use in its own service territory
only.
Meter Base Specifications
Meter bases must meet
HPUC
specifications as listed below. Meters
will not be installed in meter bases that do not meet HPUC
specifications.
1) Residential:
Rated
for 200 Amps
Manufactured by Millbank or HPUC approved equal
U.L. Approved
Ringless
Style
Note: An underground meter base has knockouts on the bottom with no openings or covers on the top. An overhead meter base has a hub opening on the top of the base. The appropriate sized hub must also be provided with the meter base. The hub connects the conduit mast to the meter base.
2)
Commercial:
Rated for 20 Amps Rated for 200 Amps
Manufacturer – Landis & Gyr or Manufacturer – Millbank or HPUC
Millbank or HPUC approved equal approved equal
U.L. Approved U.L. Approved
Ringless Style Ringless Style
Fully
rated
bypass lever required
Bypass lever required
Meter Base Installation
1) Prior to installation of a meter base, a completed (blue) copy
of the Request
for Electrical Inspection form must be on file at the HPUC.
To arrange for installation, the customer is to make an
appointment with
the HPUC Service Department to meet with the Line Crew Foreman.
The Foreman will approve the planned meter base location.
(back to top)
1. The HPUC owns and installs all meters.
Customers are responsible for the expense, installation, and maintenance of all meter wiring and conduits, with the exception that the HPUC is responsible for it’s wiring in current transformer installations.
2. Only one meter will be installed for each type of service as
determined
by voltage and phase. When more
than one meter is installed on the same type of service for the
convenience of
the HPUC, the sum of registrations will be taken as the total
registration.
3. Meter boxes and cabinets must be placed so that the meter is five feet from the ground line unless a different location is specifically authorized by the HPUC. The location of the meter must be accessible at all times to the customer and to the HPUC. The customer is responsible for keeping the meter accessible – i.e. snow removal, obstruction removal, etc.
4. The customer may have the meter placed on or in their
switchboard with
prior approval of the HPUC.
5. Grouped meter installations will be in compliance with the rules
in the
National Electrical Code.
6. Meters, service entrance switches, and current transformer cabinets are sealed by the HPUC, and the seals must not be tampered with or broken without the written approval of the HPUC. (back to top)
Rate Schedules are
available at
the HPUC offices. They are based
upon the HPUC’s production and distribution facilities that are
sufficient for
safe, proper, and adequate service.
Rates apply only to
Standard
Service, namely, alternating current of 60 hertz frequency at
designated
standard nominal voltages. The HPUC may require agreements for longer
terms than
specified in the Rate Schedule, may require contributions toward the
investment,
and may establish minimum charges and facilities charges in the
following
circumstances:
1) When large or special investment is necessary for the supply of electrical service.
2) When oversized transformers, feeders, or other special facilities are installed to serve a customer using equipment in such manner that use of electric service is intermittent or subject to violent fluctuations.
3) When the capacity required to serve a customer’s equipment is out of proportion to the use of electric service for occasional, intermittent, momentary, short duration, or low load factor purposes. (back to top)
Electrical Reconnection after a Building Fire
Unsafe and hazardous
conditions
exist following a building fire due to exposed wiring and water damage.
To avoid
liability, ensure safety, and prevent another potential fire upon
electrical
reconnection, the HPUC will act in accordance with Minnesota Statute
326.244
INSPECTION by following these guidelines:
1) The HPUC will reconnect temporary or permanent electrical power only if the electrical system has been inspected by the State Electrical Inspector, and the blue copy of the Request for Electrical Inspection form has been submitted to the HPUC Service Clerk.
2) If a licensed electrical contractor does the work, the contractor can approve a power reconnection prior to inspection by the State Electrical Inspector, however, the contractor assumes all liability involved with the reconnection. In this situation, the blue copy of the Request for Electrical Inspection form must also be submitted to the HPUC Service Clerk at the time of reconnection. (back to top)
Electrical Service Installations
All electric service
installations must be in accordance with the National Electric Code,
except as
modified by the HPUC’s policies, procedures, and regulations for
electric
service and meter installations. Electric
installations must adhere to the following requirements:
1) Service entrance equipment must comply with the National
Electric Code.
2) Conductors must extend at least 2 feet beyond the service head.
A white braid covering or other approved means of identification
must
identify the grounded conductor.
3) The HPUC will make all service connections to the service
entrance
conductors.
4) All service wiring and conduit on the customer’s side of the
point of
delivery must be installed by and at the expense of the customer.
5) Electric meters will be provided by the HPUC, and meter bases
(sockets)
will be provided by the customer.
6) After electric service has been established, any change in location of the service drop attachment that requires a change in HPUC facilities and is requested by the customer, will be at the customer’s expense. (back to top)
Overhead Service Lines
The HPUC owns,
constructs, and
maintains overhead service lines located on highways or rights of way
acquired
by the HPUC as part of the HPUC distribution system.
In an overhead area,
customers
requesting 120/240V single-phase underground service will have a yard
pole
installed by the HPUC. The HPUC
will install overhead wires from the nearest pole to the new yard pole
and then
underground to the customer’s meter base.
The HPUC will
construct an
overhead service line of a single span of normally 150 feet to the
first
suitable support provided by the customer.
The span must be free of obstruction and satisfactorily
supported at the
point as required by its size and weight.
(back to top)
Underground Service Lines
The HPUC is
responsible for the
costs of installing underground electrical service lines in areas
designated as
underground network areas as warranted by customer or load densities. The only exception to this is for the
installation of
three-phase, padmounted transformers. The
customer is responsible for installation of the conduit, transformer
pad, and
grounding according to HPUC specifications.
The HPUC will install underground service lines at the request of a customer if the underground lines are appropriate to the HPUC system and general plan of development. The customer is responsible for all costs associated with the installation of underground service lines. Charges vary based on whether the customer resides in an overhead or underground service area. The HPUC will dig the trench for the underground lines. The customer is responsible for earthwork restoration on the private property following an underground electrical service installation. (back to top)
Electrical Service Lines Repair
Overhead Repairs
The HPUC is responsible for the
maintenance and repair
of all overhead service drop conductors up to the customer’s service
entrance
conductors.
Underground Repairs
The HPUC is responsible
for
underground service repairs up to the customer’s point of service or
the meter
base. This includes 400 amp secondary
services from a pole to a CT
cabinet. The only
customer-responsible exception to this is the secondary that was
installed by
the customer from a pad mounted transformer (examples: Hibbing Super 8
Motel and
Hibbing High School football field).
The HPUC is responsible
for the
unique meter bases located in front yards and underground repairs to
the
residences in Jewel Addition.
Customers are
responsible for
restoring the ground after underground repairs are made by the HPUC.
(back to top)
The electrical service territory of the HPUC consists of approximately 22 square miles in the southwest portion of St. Louis County. It includes the cities, towns, and areas of Hibbing, Burton Townsite, Mitchell, Kitzville, and portions of Balkan Township. The territory is bordered on the north by the Mahoning-Hull Rust Mine. The western boundary starts on the western edge of the South Agnew Mine and south to a point one-quarter of a mile north of Highway 169, and south to the Maple Hill Road. The boundary then heads east to a point one-eighth a mile east of Highway 73 and south at a south-southwesterly direction up to the south side of Townline Road. The boundary heads east on Townline Road for one-quarter of a mile then south for three-quarters of a mile, east to the DM&IR railroad tracks, one-quarter of a mile east of Bunker Road. The eastern boundary follows the DM&IR railroad tracks in a north-northeasterly direction across the intersection of Wegner Road and O’;Rourke Road to a point one-half of a mile east of First Avenue Road. The boundary then heads north-northeasterly to a point one-quarter of a mile north of Highway 169 and east one-quarter of a mile It then heads in a northerly direction to a point three-quarters of a mile north of the Mitchell Bridge. The boundary heads west on Township line 57, one-quarter of a mile, north one-eighth of a mile, then west across the south edge of the Pillsbury Mine. (back to top)
The
HPUC will
extend its electric distribution system to serve a new customer or
group of
customers at their request. The
following primary and/or secondary extensions will be provided at no
cost to the
customer(s):
1. Up to two poles and two spans of standard construction.
OR
2. Up to four spans when the poles are already in place.
The HPUC will extend it’s system in excess of two poles and two spans or four spans at no cost to the customer or group of customers provided the following stipulation is met:
The estimated cost of construction and installation of the extension is not greater than a reasonable multiplier of the estimated annual revenue to be derived from the extension.
If
the above
stipulation is not met, the HPUC requires that the customer or group of
customers make a deposit to the HPUC equal to the difference between
the
estimated cost of construction and installation of the extension and
three times
the estimated annual revenue. If
the actual cost of the construction and installation is less than the
estimated
cost, the customer’s deposit will be adjusted according to the actual
cost.
If an additional customer is connected to the same extension
during the
first five years of service, the HPUC will refund
the original customer(s) an amount equal to the difference
between three
times the estimated annual revenue of the additional customer and the
actual
cost of construction and installation of the extension to serve him/her.
This amount will never be more than the deposit of the original
customer(s).
The
HPUC bases all
estimates of construction and installation costs and estimated annual
revenues
on past experience with similar installations.
The
title to every
electrical extension is held by the HPUC. The
HPUC has the right to add additional customers to an extension and to
make new
extensions to an existing extension without the consent of any customer
or group
of customers, even if the customer(s) contributed to the original
construction
and installation costs of the original extension.
Other Electrical Extensions
All
other
extensions not described above, including single-phase lines over
13,000V and
three-phase lines, will be made free of charge and inclusive of local
equipment,
if the cost is up to four times the estimated annual revenue to be
received from
the extension. Customers may be
required to guarantee the revenue from the extension in a reasonable
amount of
time.
Deposit for Extension of Service
The
HPUC may
require a deposit from the customer for an extension of service when
the
permanency of the service is in question. The
deposit will be an amount equal to the total cost to the HPUC of the
extension
necessary to render service. The
deposit will bear no interest and will be refunded to the customer
through
credits equal to 10% of the customer’s monthly service statements
during the
term of the service contract. If
there is any deposit balance at the termination of the service
contract, the
balance will be retained by the HPUC, less any adjustment for salvage.
(back to top)
Hanging Banners for Community Groups
The HPUC Line Crew will not hang banners as requested by community and school groups. Any requests for hanging banners should be referred to local private companies or contractors. Light poles cannot be used to hang banners unless they are specifically designed and built to hold a banner. (back to top)
House screw pins anchor the HPUC overhead electrical service to the exterior of a customer’s home. The HPUC will provide a house screw pin if needed. It is the responsibility of the customer to install the house screw pin on the exterior of the house where the HPUC overhead service line from the pole will be attached. The HPUC is not responsible for loosened or damaged siding, pulled-down masts, or any other damage or problem caused by house screw pins. (back to top)
Customers may request
that a wood
power pole be moved by the HPUC (example: when a customer is building a
garage). The HPUC will move the wood power
pole if it is feasible.
A fee will be charged to the customer.
An Application to Move a Wood Pole
form must first be completed by the Service Clerk and approved by the
Director
of Electrical Systems prior to moving the wood pole. (back to top)
Note: HPUC wood power poles have an “A” letter after the 4-digit pole number. Telephone company poles have a “B” letter after the four-digit pole number. The local telephone company is responsible for moving these poles. A customer who requests that a “B” pole be moved will be directed to contact the local telephone company. (back to top)
Street Lighting - New Development
The HPUC charges a
fee per lot
for installation of street lights in a new development.
An Application for Street Lighting
must be submitted to the HPUC offices by a developer at least six weeks
prior to
the date that the street lighting is needed.
Work will not begin on the street lighting until the application
and fee
are received by the HPUC.
The HPUC will
typically begin
installation within six weeks of receipt of the completed application
and fee. The HPUC may be unable to begin
installation of new street
lighting within the designated six weeks due to unforeseen
circumstances.
Every good faith effort will be made to begin installation as
soon as
possible.
Completion of new street lighting installation will depend on the size and scope of the development project. (back to top)
Use of 240V Outlets - Howard Street
1) The 240V outlets are located at the bottom of the tree guards at three locations on Howard Street:
1. 2nd Avenue – SW corner
2. 4th Avenue – SW corner
3. 6th Avenue – SE corner
2) Required Male Plug:
3 pole, 4 wire, grounding, rated 50 amps, 125/250 volts, NEMA
14-50 P.
3)
Vendors who need electrical service from the HPUC must do the
following:
1. Pay a non-refundable flat charge to cover connection and disconnection of electric service.
2. The flat charge will be for service up to 48 hours and the user
will not
be billed for consumption.
4)
Vendors are required to have their service equipment checked by
a State
Electrical Inspector prior to use. Wiring
is to comply with National Electrical Code Article 525 - carnivals,
circus',
fairs, and similar events. Commonly
asked questions are addressed in the State of Minnesota Board of
Electricity
"Notice to Exhibitors and Concessionaires Concerning Electrical
Wiring".
5)
The NEMA 14-50P plug is a 50 amp grounding stove plug available
at
Hardware stores for a nominal price.
6) The user should not connect an electrical load that uses more than 40 amps at any one time (excluding starting surges), i.e. 80% of the 50 amp circuit rating. (back to top)
Use of Other Electric Services
Customers are not allowed to use any other external source of electric service in conjunction with the HPUC’s electric service.
Exceptions:
1) The use of emergency generators or sources of supply maintained
solely
for use in case of interruption of service are allowed.
Such emergency sources of power must not be connected to the
HPUC’s
service lines or create a condition where the emergency source of power
backfeeds into HPUC facilities.
2) The use of a small power production facility and/or cogeneration
plant
that qualifies under the Public Utilities Regulatory Policy Act of 1978
is
allowed.
(back to top)
Use of Tree Guard 120V Outlets - Howard Street and First Avenue
In
order to prevent electrical circuit problems, follow these
guidelines:
1) Circuits (i.e. fuses blow or breakers trip) are rated 20 amps. Do not connect more than 16 ampS of load to any one outlet, i.e. 80% of the circuit rating.
2) If a user has more than 16 amps of load, it should be fed from the user’s generator and not fed from the 120V receptacles.
3)
Users should check out the operability of their equipment prior to plugging into the outlets.
4)
A. HPUC electricians have installed several black enclosures
that have
two outlets each. These have two
20-amp circuit breakers that can be reset by the user if it trips open.
Do not reset the breaker more than once if a breaker trips.
If this happens, there is too much user load, or the user has
wiring
problems. The breaker trips at
connected loads of 20 amps and above, or if a short circuit exists in
connected
loads or in the wiring to it.
B.
The other tree guard outlets (in gray enclosures) are supplied from
20-amp fused
circuits. If the circuit if
overloaded by the user and the fuse blows, the outlet is not usable
until a
later date. Therefore, do not
overload these circuits.
5)
If an outlet does not have power, first try pressing the
"reset" button on the outlet. If
a 20-amp breaker in a box is "off", turn it "on". The
user’s equipment could be overloading the circuit
causing the 20-amp circuit to trip. User
should not try more than one additional outlet to get power.
6)
Concession stands, bands, rides, etc. must have their portable
equipment
inspected by the State Electrical Inspector before
use at the 120V outlets per the National Electrical Code, Article
525.
7)
When the user unplugs from the outlet, please
close the cover! Users leaving
covers open have caused many problems with the circuits.
8)
Outlet power is turned on and off daily by the setting of a
timer.
NOTE: Do not use the outlets located at the top of the streetlights. These circuits are only for Christmas decorations and do not have power during the summer, and are not ground fault-protected devices that can be used by the public. (back to top)
Secondary Service Voltages
The following is a list of available
secondary
service voltages:
120/240V,
single-phase
240V Delta, three-phase, four-wire
120/208Y, three-phase, four-wire
480/277Y,
three-phase, four-wire
Primary Service Voltages
Primary voltages will be delivered at three-phase, 60-cycle, alternating current at nominal voltages of 4,160 or 13,800 volts, selected at the option of the HPUC. (back to top)
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