Safety Services - Safety Codes Council

Transcription

Safety Services
Alberta Municipal Affairs
Clarence C. Cormier, P.Eng. – Chief Electrical Inspector
Bob Hall, SCO – Electrical Technical Advisor
Codes & Standards Section, M&E (Director – Harry Li)
Safety Services Branch (Executive Director – Alex Morrison)
Public Safety Division (Assistant Deputy Minister - Bruce McDonald)
Alberta Municipal Affairs (Deputy Minister - Brad Pickering)
(Elected Minister – Deron Bilous)
Government of Alberta (Elected Premier - Rachel Notley)
SAFETY CODES COUNCIL CONFERENCE & AGM 2015
The Rimrock Resort Hotel
300 Mountain Avenue, Banff, Alberta, Canada T1L 1J2
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© 2015 Government of Alberta
Safety Services
Alberta Electrical Code Highlights
Canadian Electrical Code 2015
Code for Electrical Installations
at Oil & Gas Facilities
Alberta Electric Utility Code
AMA Update (Sneak in if time
permits!)
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CE Code 2015 - Highlights
Taken from the CE Code 2015 Preface: http://shop.csa.ca/en/canada/c221-canadianelectrical-code/c221-15-package/invt/27013892015pkg;
General - The term “injury” has been replaced with “damage” throughout the Code;
Section 4 now contains requirements for high-voltage cable ampacities and clarified
Rules for conductor termination temperature. In addition, a new table (Table 39)
simplifies residential service and feeder conductor selection (currently Table 5E!);
Section 8 - More options are provided for load and voltage drop calculations;
Section 10 - Bonding conductor selection has been clarified through the addition of
the new Tables 16A and 16B;
Section 12 contains many new and revised requirements for wiring methods, and the
conduit fill tables have been expanded;
Section 18 has undergone major revisions. Requirements for Class II and Class III
locations have been relocated to Appendix J, and requirements for explosive dust
atmospheres based on IEC Zone 20, Zone 21, and Zone 22 have been added;
Section 26 - Requirements for arc-fault protection have been expanded and clarified;
Section 50 has been merged with Section 64; and
Section 62 has been completely rewritten.
Now we will consider the above in a little bit more detail.
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CE Code 2015 – Section 4
Section 4 — Conductors
4-004 Ampacity of wires and cables (see Appendix B)
(1) The maximum current that a copper conductor of a given size and
insulation is permitted to carry shall be as follows:
 (d) single-conductor and 2-, 3-, and 4-conductor cables and singleconductor and 2-, 3-, and 4-conductor metal-armoured and metalsheathed cables, unshielded and rated not more than 5 kV, in
conductor sizes No. 1/0 AWG and larger, installed in accordance
with configurations described in Diagrams D8 to D11 in an
underground run, directly buried or in a raceway, as specified in
Tables D8A to D11B or as calculated by the IEEE 835 calculation
method;
 (g) shielded cables rated 5 kV to 46 kV in sizes No. 2 AWG to 1000
kcmil, as specified in Tables D17A to D17N for the configurations
described therein and the conditions described in Table D17, or as
calculated by the IEEE 835 calculation method.
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4-006 Temperature limitations (see Appendix B)
(1) Where equipment is marked with a maximum conductor termination temperature, the minimum size of
conductor used shall be based on the allowable ampacity in the temperature column in Table 1, 2, 3, or 4,
with all relevant correction factors being applied as required by Rule 4-004, corresponding to the maximum
termination temperature marked on the equipment.
(2) For the purpose of Subrule (1), and except as provided for by other Rules of this Code, where the
maximum conductor termination temperature for equipment is not marked, the maximum conductor
termination temperature shall be considered to be

(a) 60 °C for equipment
 (i) rated not more than 100 A; or
 (ii) marked for use with No. 1 AWG or smaller conductors; and

(b) 75 °C for equipment
 (i) rated more than 100 A; or
 (ii) marked for use with conductors larger than No. 1 AWG.
(3) Notwithstanding Subrule (2), for high-voltage equipment where conductor termination temperatures
are not marked, it shall be permitted to consult the manufacturer to establish the permitted termination
temperature.
(4) Subrules (1) and (2) shall apply only to the first 1.2 m of conductor length measured from the point of
termination on the equipment.
(5) Where a cable transition is made to meet the requirements of Subrule (1) or (2), the length of a
conductor terminating on equipment shall be not less than 1.2 m.
(6) Where the conductor ampacity is selected from Tables D8A to D11B or from Table 12E, Subrules (1)
and (2) shall apply.
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Section 8 — Circuit loading and demand factors
8-002 Special terminology (see Appendix B)
Basic load — the load of lighting and receptacle
circuits, based on the outside dimensions of a specific
area of building occupancy, as listed in Table 14.
Calculated load — the load calculated in
accordance with the applicable requirements of this
Section.
Demonstrated load — historical maximum demand
watt information recorded over at least a 24-month
period for the same type of facility as the one in
question, equated to watts per m2.
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Section 10 — Grounding and bonding
Table 16
(Note: This Table has been deleted.)
Table 17
Table 18
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Section 12 — Wiring methods
Non-metallic-sheathed cable
12-510 Running of cable between boxes and fittings
12-516 Protection for cable in concealed installations
Armoured cable
12-610 Terminating armoured cable
Mineral-insulated cable, aluminum-sheathed cable, and copper-sheathed cable
12-706 Method of supporting
Raceways
General
12-904 Conductors in raceways
12-910 Conductors in conduit and tubing
Rigid and flexible metal conduit
12-1010 Maximum spacing of conduit supports
12-1014 Conductors in conduit
Rigid PVC conduit
12-1124 Split straight conduit
Rigid Types EB1 and DB2/ES2 PVC conduit
12-1160 Maximum number of conductors
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Rigid RTRC conduit
12-1200 Scope
12-1202 Use
12-1216 Conduit supports
Liquid-tight flexible conduit
12-1302 Use of liquid-tight flexible metal and non-metallic conduit
12-1308 Supports
Electrical metallic tubing
12-1402 Use
12-1404 Restrictions on use
12-1412 Connections and couplings
12-1414 Provision for bonding continuity
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Electrical non-metallic tubing
12-1504 Supports
Cellular floors
12-1814 Provision for bonding
Cable trays
12-2200 Method of installation
12-2208 Provisions for bonding
Cablebus
12-2252 Use of cablebus
Installations of boxes, cabinets, outlets, and terminal fittings
12-3000 Outlet boxes
12-3002 Outlet box covers
12-3016 Outlet boxes, cabinets, and fittings
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CE Code
2012
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Table 6
Table 6A
Maximum number of 600 V thermoset conductors without a jacket, Types R90XLPE,
RW75XLPE, RW90XLPE, and RPV90, of one size in trade sizes of conduit or tubing
Table 6B
Maximum number of 1000 V thermoset conductors without a jacket, Types
R90XPLE, RW75XLPE, RW90XLPE, and RPV90, of one size in trade sizes of conduit or
tubing
Table 6C
Maximum number of 600 V thermoset conductors with a jacket, Types R90XPLE,
RW75XLPE, RW90XLPE, R90EP, RW9075EP, RW90EP, and RPV90, of one size in
trade sizes of conduit or tubing
Table 6D
Maximum number of underground conductors, Types RWU90XLPE, TWU, and
TWU75, of one size in trade sizes of conduit or tubing
Table 6E
Maximum number of 1000 V and 2000 V thermoset conductors without a jacket,
Type RPVU90, of one size in trade sizes of conduit or tubing
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Table 6F
Maximum number of 1000 V and 2000 V thermoset conductors with a jacket, Type
RPVU90, of one size in trade sizes of conduit or tubing
Table 6G
Maximum number of 2000 V thermoset conductors without a jacket, Type RPV90, of
one size in trade sizes of conduit or tubing
Table 6H
Maximum number of 1000 V thermoset conductors with a jacket, Type RPV90, of
Table 6I
Maximum number of 2000 V thermoset conductors with a jacket, Type RPV90, of
Table 6J
Maximum number of thermoplastic conductors, Types TW and TW75, of one size in
trade sizes of conduit or tubing
Table 6K
Maximum number of thermoplastic conductors, Types TWN75 and T90 NYLON, of
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Section 18 — Hazardous locations
Scope and introduction
18-000 Scope (see Appendices B, F, and J)
(1) This Section applies to locations in which electrical equipment and wiring are subject to the conditions
indicated by the following classifications.
(2) This Section supplements or amends the general requirements of this Code.
(3) For additions, modifications, renovations to, or operation and maintenance of existing facilities
employing the Division system of classification, the continued use of the Division system of classification
shall be permitted.
(4) Where the Division system of classification is used as permitted by Subrule (3), the Rules for Class I,
II, and III locations found in Annex J18 of Appendix J shall apply.
18-004 Classification of hazardous locations (see Appendices B, J, and L)
Hazardous locations shall be classified according to the nature of the hazard, as follows:
(a) explosive gas atmospheres; or
(b) explosive dust atmospheres.
18-006 Locations containing an explosive gas atmosphere (see Appendix B)
Explosive gas atmospheres shall be divided into Zones 0, 1, and 2 based upon frequency of occurrence and
duration of an explosive gas atmosphere.
18-008 Locations containing an explosive dust atmosphere (see Appendix B)
Explosive dust atmospheres shall be divided into Zones 20, 21, and 22 based upon frequency of
occurrence and duration of an explosive dust atmosphere.
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Section 18 — Hazardous locations
Zone 0 — a location in which explosive gas atmospheres are present continuously or are present
for long periods.
Zone 1 — a location in which
(a) explosive gas atmospheres are likely to occur in normal operation; or
(b) the location is adjacent to a Zone 0 location, from which explosive gas atmospheres could be
communicated.
Zone 2 — a location in which
(a) explosive gas atmospheres are not likely to occur in normal operation and, if they do occur,
they will exist for a short time only; or
(b) the location is adjacent to a Zone 1 location, from which explosive gas atmospheres could be
communicated, unless such communication is prevented by adequate positive-pressure ventilation
from a source of clean air, and effective safeguards against ventilation failure are provided.
Zone 20 — a location in which an explosive dust atmosphere, in the form of a cloud of dust in air,
is present continuously, or for long periods, or frequently.
Zone 21 — a location in which an explosive dust atmosphere, in the form of a cloud of dust in air,
is likely to occur in normal operation occasionally.
Zone 22 — location in which an explosive dust atmosphere, in the form of a cloud of dust in air, is
not likely to occur in normal operation but, if it does occur, will persist for a short period only.
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Section 26 — Installation of electrical equipment
Receptacles
26-700 General (see Appendix B)
(12) All receptacles of CSA configuration 5-15R and 5-20R installed in a child care facility shall be
tamperresistant receptacles and shall be so marked.
(13) Notwithstanding Subrule (12), receptacles dedicated for stationary appliances such that the receptacle
is rendered inaccessible or those located 2 m from the floor or finished grade shall not be required to be
tamper resistant.
26-702 Receptacles exposed to the weather (see Appendix B)
(1) Receptacles exposed to the weather shall be provided with wet location cover plates.
(2) Receptacles of CSA configurations 5-15R, 5-20R, 5-20RA, 6-15R, 6-20R, and 6-20RA shall be provided
with cover plates suitable for wet locations, whether or not a plug is inserted into the receptacle, and
marked “Extra Duty”.
(3) Notwithstanding Subrules (1) and (2), cover plates marked “Wet Location Only When Cover Closed”, or
the equivalent, shall be permitted for receptacles

(a) installed facing downward at an angle of 45° or less from the horizontal; or

(b) located at least 1 m above finished grade and not in a wet location.
26-712 Receptacles for dwelling units (see Appendices B and G)

(a) except as otherwise provided for in this Code, in dwelling units duplex receptacles shall be
installed in the finished walls of every room or area, other than bathrooms, hallways, laundry rooms,
water closet rooms, utility rooms, or closets, so that no point along the floor line of any usable wall
space is more than 1.8 m horizontally from a receptacle in that or an adjoining space, such distance
being measured along the floor line of the wall spaces involved;

(d) in dwelling units there shall be installed in each kitchen
 (vi) a sufficient number of duplex receptacles installed on the remaining finished walls in
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accordance with Item (a);
Safety Services
Branch circuits for residential occupancies
26-720 Special terminology
In this Subsection, the following definitions apply:
Arc-fault protection — a means of recognizing characteristics unique
to both series and parallel arc-faults and de-energizing the circuit when
an arc-fault is detected.
Combination-type arc-fault circuit interrupter — a device that
provides both series and parallel arc-fault protection to the entire
branch circuit wiring, including cord sets and power supply cords
connected to the outlets, against the unwanted effects of arcing.
Outlet branch-circuit-type arc-fault circuit interrupter — a
device that provides both series and parallel arc-fault protection to
downstream branch circuit wiring, cord sets, and power supply cords
against the unwanted effects of arcing and also provides series arcfault protection to upstream branch circuit wiring.
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Branch circuits for residential occupancies
(f) each branch circuit supplying 125 V receptacles rated 20 A or less shall be
protected by a combination-type arc-fault circuit interrupter, except for branch circuits
supplying

(i) receptacles installed in accordance with
 (A) Rule 26-710(f); or
 (B) Rule 26-712(d)((i), (iii), (iv), and (v); and

(ii) a single receptacle for a sump pump where
 (A) the receptacle is labelled in a conspicuous, legible, and permanent
manner identifying it as a sump pump receptacle; and
 (B) the branch circuit does not supply any other receptacles; and
(g) notwithstanding Item (f), the entire branch circuit need not be provided with arcfault protection where

(i) an outlet branch-circuit-type arc-fault circuit interrupter is installed at the first
outlet on the branch circuit; and

(ii) the wiring method for the portion of the branch circuit between the branch
circuit overcurrent device and the first outlet consists of metal raceway,
armoured cable, or non-metallic conduit or tubing.
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26-956 Submersible pumps installed in bodies of water
(1) Submersible pumps installed in bodies of water shall comply with the following:

(a) the voltage supplying the submersible pump shall not exceed 150 volts-to-ground;

(b) the pump motor shall be bonded to ground by a conductor that
 (i) is sized in accordance with Rule 10-814;
 (ii) is integral with the supply cable, or within the same protective enclosure as the power supply conductors
if single conductors are used;
 (iii) has the same type of insulation as the supply conductors; and
 (iv) terminates adjacent to the location where the branch circuit conductors receive their supply;

(c) the wiring method to the pump shall be
 (i) Type RWU75, RWU90, TWU, or TWU75 or equivalent single conductor or twisted assemblies of these
types, suitable for handling at –40 °C, enclosed in a plastic water pipe or in rigid PVC conduit; or
 (ii) Type SOW, G, G-GC, W, or the equivalent portable power cable;

(d) ground fault protection shall be provided to de-energize all normally ungrounded conductors supplying the
submersible pump with a ground fault current trip setting adjusted to function as low as practicable to permit
normal operations of the pump, but in no case shall the ground fault current setting be greater than 10 mA for an
operating time period not exceeding 2.7 s; and

(e) the supply conductors or cables shall be run from an outdoor connection facility, above or below ground, to the
main distribution panelboard in accordance with the requirements of Section 12.
(2) Notwithstanding Item (1)(a), submersible pumps installed in bodies of water shall be permitted to operate at voltages
exceeding 150 volts-to-ground where

(a) a deviation has been allowed in accordance with Rule 2-030;

(b) the operating voltage does not exceed 5.5 kV;

(c) the electrical installation is maintained by qualified electrical maintenance staff; and

(d) the area around the submersible pump is protected from access by the public by fencing, cribbing, or isolation
and so marked.
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CE Code 2015 – Sections 50 &
64
2012Section 50 — Solar photovoltaic systems
2015Section 50
Note: This Section has been deleted.
Section 64 — Renewable energy systems
Inverters
Solar photovoltaic systems
Small wind systems
Large wind systems
Micro-hydropower systems
Hydrokinetic power systems
Stationary fuel cell systems
Storage batteries
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Section 62 — Fixed electric heating systems
Scope
62-000 Scope (see Appendix B)
(1) This Section applies to
 (a) fixed electric space-heating systems for heating rooms
and similar areas;
 (b) fixed surface heating systems; and
 (c) fixed electric heating systems not covered by Item (a) or
(b).
 E.g. Bare element water heater — a self-contained,
factory-assembled water heater that heats water by
direct contact with the uninsulated heating element wire.
(2) The requirements of this Section supplement or amend the
general requirements of this Code.
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2015 Oil & Gas Code
“Code for Electrical Installations at Oil &
Gas Facilities 2015”.
Planned Adoption September 1, 2015.
Will be available at the Queen’s Printer.
Rene Leduc is Chair of O&G Code WG.
Reports to the ETC.
Last meeting was 2014/04/11.
4 column change document available
upon request.
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Alberta Electric Utility Code 2013
Adopted October 1, 2013.
Available at the Queen’s Printer.
Only one STANDATA – VAR-EUC-Scope [rev-1].
Jim Porth is Chair of the AEUC WG.
Reports to ETC.
Last meeting was 2015/3/18.
Unlike the O&G code, the AEUC working group has
decided not to follow the Canadian Electrical code
cycle. Instead, they will be following the CSA O/H
and U/G standards cycle (CE Code, Part III). Next
publication planned for 2016.
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AMA Electrical Update
What’s new in 2015?
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Agenda
1.
2.
3.
4.
5.
6.
Electrical Staff
Committee Participation
Codes & Standards
STANDATA
Advisories
Forms & Reports
Safety Services
Electrical Staff
1. Chief Electrical Inspector– Clarence Cormier, Codes &
2.
3.
4.
5.
6.
7.
Standards (Edmonton)
Electrical Technical Advisor – Bob Hall, Codes &
Standards (Edmonton)
Senior Electrical Inspector – Brian McIntosh, Field
Services (Grand Prairie)
Electrical Inspector – Kevin Glubrecht, Field Services
(Red Deer)
Electrical Inspector – David Phillips, Field Services
(Edmonton)
Electrical Inspector – Ben Chan, Field Services
(Calgary)
Electrical Inspector – Steve Eagles, Partnership
Support (Red Deer)
Safety Services
Committee Participation
ALBERTA ELECTRICAL TECHNICAL COUNCIL AND 3 OF ITS 4 WORKING GROUPS:

CANADIAN ELECTRICAL CODE WORKING GROUP

ELECTRICAL UTILITY CODE WORKING GROUP

OIL & GAS CODE WORKING GROUP
CSA

TC CANADIAN ELECTRICAL CODE (CE CODE), PART 1

TC WIND TURBINES

TC INDUSTRIAL PRODUCTS (TCIP)

TSC INTEGRATED COMMITTEE ON HAZARDOUS LOCATIONS (ICHL)

OBJECTIVE BASED INDUSTRIAL ELECTRICAL CODE (OBIEC) – CE CODE, PART 4
ELECTRICAL PRODUCT SAFETY - HEALTH CANADA
UL

UL ELECTRICAL COUNCIL

UL STP 111 - COMMITTEE FOR MULTIOUTLET AND PREFABRICATED WIRING
ASSEMBLIES

UL STP 9540 - ENERGY STORAGE SYSTEMS AND EQUIPMENT

ULC ADVISORY COUNCIL

ULC STANDARDS COMMITTEE ON LIVE WORKING (S400A)

UL-ULC 1088 TC Standard for Temporary Lighting Strings
Safety Services
Codes & Standards
http://www.municipalaffairs.alberta.ca/cp_electrical_codes_standards.cfm
Presently the Canadian Electrical Code, Part 1
(twenty-second edition), Canadian Standards Association
standard C22.1-12, 2015 adoption-enforcement planned for
September 1;
Presently the Code for Electrical Installations at Oil and Gas
Facilities, 4th Edition, 2013, published by the Safety Codes
Council, 2015 adoption-enforcement planned for September
1;
Presently the Alberta Electrical Utility Code, 4th Edition,
2013, published by the Safety Codes Council, adoptionenforcement planned for 2016/2017 to more closely follow
the CSA O/H & U/G standards.
Safety Services
STANDATA
http://www.municipalaffairs.alberta.ca/cp_electrical_standata.cfm
STANDATA reissued in 2014:

INTRODUCTION – MARCH 2014

Safety Codes Act (Interpretations)
 Reporting of Electrical Incidents/Accidents

Electrical Code Regulation (Interpretations)
 Section 2 - Electrical Systems Equipment

Canadian Electrical Code STANDATA (Interpretations)
 Errata
 Section 2 – General Rules
 Section 4 – Conductors
 Section 10 – Grounding and Bonding
 Section 12 – Wiring Methods
 Section 18 – Hazardous Locations
 Section 22-Locations in Which Corrosive Liquids or Vapours or Excessive Moisture are Likely to be Present
 Section 26 - Installation of Electrical Equipment
 Section 30 - Installation of Lighting Equipment
 Section 32 - Fire Alarm Systems, Fire Pumps and Carbon Monoxide Alarms

Variances STANDATA
 Canadian Electrical Code

Rule 2-024 – RE: Oil and Gas Industry Electrical Submersible Pumps

Rule 2-024 – RE: Liquid-filled Transformers
Safety Services
Advisories
http://www.municipalaffairs.alberta.ca/cp_electrical_advisories.cfm
New link:


ULC Advisory - Fire Resistive, Fire Resistant and Circuit Integrity Cables
http://ul.com/code-authorities/fire-code/fire-resistive-and-circuit-integrity-cables/
Otherwise – No Change.
Safety Services
Forms & Reports
http://www.municipalaffairs.alberta.ca/cp_electrical_forms_and_reports.cfm
2014 Electrical Incident Statistics
Report forthcoming March, 2015.
Safety Services
Questions?
Clarence C. Cormier, P.Eng.
Chief Electrical Inspector, Codes & Standards Section
Safety Services Branch, Public Safety Division
16th Floor, Commerce Place, 10155-102 Street NW, Edmonton, AB, T5J 4L4
Phone: 780-643-6840│Fax: 780-427-8686│Cell: 587-987-2937
[email protected]│http://municipalaffairs.alberta.ca/

Safety Services - Safety Codes Council

Transcription

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