Electrical Update Brochure

Upgraded services should address the following:
All new dwellings shall comply with the currently
adopted National Electrical Code and the City Electrical Ordinance.
Dwellings being remodeled shall be wired to comply with the currently adopted National Electrical
Code and the City Electrical Ordinance. If a financial hardship exists, a waiver may be signed giving
the owner up to one (1) year to complete the wiring.
Dwellings moved to new locations shall meet the
update provisions.
In accordance with Section 26-406(g), which reads
as follows:
“Whenever service entrances are altered or upgraded, residential structures shall be updated
throughout to the requirements consistent with
the electrical code in accordance with the City of
Des Moines Electrical Residential Update Requirements, as amended from time to time.”
1. 100 ampere minimum.
2. Service entrance shall be larger if
load calculations justify.
3. Service entrance conductors shall
be installed in metal raceways
on and in buildings and other structures.
4. PVC dip pipe allowed for under
ground meter sockets if not subject to
physical damage.
5. Length of raceway not to exceed
20 feet through building to first point
of disconnect.
6. Conduit shall be plugged with duct
seal or other approved material where
it enters the building.
7. Adequate lighting shall be required
in the area of the panelboard.
1. Ground light fixture if located above
2. GFCI protect and ground new and existing receptacle outlets.
3. Newly installed bathroom receptacles
shall be supplied by a separate 20 ampere branch circuit.
4. No receptacle required if one had never been installed.
1. Need minimum of two (2) 20 ampere
appliance circuits.
2. GFCI protection and grounding
needed for all countertop receptacles.
3. Built in dishwashers and microwaves
shall have separate 15 or 20 ampere
4. Garbage disposal shall be properly
grounded through fixed wiring or cord
and receptacle.
5. Switches within 6 feet of the sink,
and lights above sinks shall be
6. A minimum of two (2) receptacle outlets shall be available in addition to others that may be inaccessible serving
1. One grounded separate 20 ampere circuit
2. Receptacle shall be
located within 6 feet of
water faucets.
1. A
minimum of two (2) receptacle outlets, preferably on opposite walls are required or no more than 20 feet between
2. All existing receptacles, other than
where specifically required, may be the
two wire type receptacles.
3. All new receptacles added shall be of
the grounding type. Where a means does
not exist to ground a receptacle, it shall
be GFCI protected.
4. A switched lighting outlet shall be provided either by means of a wall switch or
pull chain.
1. Correct any deficient wiring.
2. When conduit is used it shall be EMT.
3. Romex and flexible metal raceway type
wiring is allowed only when installed in a
workmanlike manner, If Romex is drilled
through joists it shall be physically protected by being located next to a wall or beam.
4. All new receptacles installed in unfinished basements shall be GFCI protected.
5. All existing receptacles having grounding contacts shall have those contacts effectively grounded.
6. GFCI protected receptacles shall be provided where replacements are made at receptacle outlets that are required to be so
protected by the NEC.
1. A furnace shall have a separate 15 or 20
ampere circuit.
2. A switch shall be provided at the furnace
unless the panelboarcj is within sight.
3. All AC units shall have outside disconnects.
4. The overcurrent protection shall be
matched to the AC unit listed rating.
1. Correct any deficient wiring.
2. If used for storage a light shall be required.
3. Romex type wiring may be allowed if it is
not subject to physical damage.
1. GFCI and ground all new and existing
outside receptacle outlets.
2. AIl new and existing outside house and
garage lighting fixtures shall be installed to
a box that is approved for the purpose.
1. A disconnect located in the garage is
2. EMT conduit is required if wiring is not
3. Romex wiring is allowed if covered by
gypsum board, paneling, pegboard or other similar material.
4. GFCI protection is required on all receptacle outlets unless it is a single dedicated
receptacle for an
appliance or stationary tool or a garage
door opener.
When there is a demonstrated need, the
electrical inspector shall retain the authority to request additional installations or alterations to help achieve a safe installation.
It shall be the duty of the electrical contractor or his agent to inform the owner of a
residence of these minimum requirements.
Contact our Electrical Inspection Staff
with questions at:
or find more information on the web at