1、C22.2 No. 80-1978(reaffirmed 2013)Underfloor raceways and fittingsLegal Notice for StandardsCanadian Standards Association (operating as “CSA Group”) develops standards through a consensus standards development process approved by the Standards Council of Canada. This process brings together volunte
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14、 rights is entirely their own responsibility.Authorized use of this documentThis document is being provided by CSA Group for informational and non-commercial use only. The user of this document is authorized to do only the following:If this document is in electronic form:sLOADTHISDOCUMENTONTOACOMPUT
15、ERFORTHESOLEPURPOSEOFREVIEWINGITsSEARCHANDBROWSETHISDOCUMENTANDsPRINTTHISDOCUMENTIFITISIN0$ moisten only where required. Table 2Revise Table 2 as follows: Table 2 Thickness of Raceway Installed Within a Non-structural Tapping Material Thickness Tap Section Maxiniuin 2-1/2 Inches and Greater Unsuppor
16、ted Concrete Cover Over Raceway Bottom Section Width (Inches) Inch and MSG Inch and MSG 8 0.0309 0.0309 (20) (20) 12 0.0418 0.0309 (20) Publication DateJanuary 31, 1983 Effective DateJanuarv 31, 1983 Amendment No. I C22.2 No. 80-1978 Clause 4.1.1.2 (New)Add a new Clause 4.1.1.2 as follows: 4.1.1.2 N
17、otwithstanding Clause 4.1.1.1, a raceway that passes the test specified in Clause 8.8 and if of sheet steel having a thickness before coating of not less than 0.0309 inch (20 MSG) may be used in a monolithic pour or structural topping, provided the concrete topping is 1 inch and greater and provided
18、 the maximum unsupported width does not exceed 8 inches. Renumber as Clauses 4.1.1.3 and 4.1.1.4 the present Clauses 4.1.1.2 and 4.1.1.3. Publication DateJanuary 31, 1983 Effective DateJanuary 31, 1983 Amendment No. 2 C22.2 No. 80-1978 Clause 6.1(e)Revise Clause 6.1(e) as follows: () The wording “Mi
19、nimum concrete thickness inches - Epaisseur minimale du baton po“, to confor,ith the requirements specified in Clausetl.1. Publication DateJanuary 31, 1983 Effective DateJanuary 31, 1983 Amendment No. 3 C22.2 No. 80-1978 Clause 7.2(h)Revise Clause 7.2(h) as follows: (h) Not less than the specified t
20、hickness of concrete topping is to be used over headers; Publication DateJanuary 31, 1983 Effective DateJanuary 31, 1983 Amendment No. 4 C22.2 No. 80-1978 Clause 8.8Revise the final sentence of Clause 8.8 as follows: The permanent deformation, following this test, shall be measured and shall not exc
21、eed 1/8 inch (see Clauses 4.1.1.2 and 4.1.1.3). Publication DateJanuary 31, 1983 Effective DateJanuary 31, 1983 Amendment No. S C22.2 No. 80-1978 Canadian Standards Association Rexdale C22.2 No. 80-1978 Underfloor Raceways and Fittings The at.tached amendment covering Clause 4.1.3 has been formally
22、approved. October, 1984 Note: This is gummed stock; moisten only where required. Clause 4.1.3Revise as follows: 4.1.3 Dimensions Except forthe internal height, which shall be not less than 1 inch, no specifi dimensions are required by this Standard, but the intended interns cross-sectional area of a
23、ny wiring compartment shall be uniform through out its length. The maximum unsupported width shall not exceed 12 inches Amendment No. 6 October, 1984 C22.2 No. 80-197 Canadian Standards Association Rexdale C22.2 No. 80-1978 Underfloor Raceways and Fittings The attached amendment covering Clause 4.1.
24、1.2 has been formally approved. Publication DateThe date on or after which this Standard may, at the discretion of the applicant, be used for certification. Effective DateThe date on which this Standard shall be applicable to equipment being submitted for certification and to equipment already certi
25、fied. July, 1986 Note: This is gummed stock; moisten only where required. Clause 4.1.1.2Add the following sentence: The maximum unsupported width shall be taken as the width of the widest cell, provided the partition(s) creating the cell is (are) permanently secured and is (are) of sufficient height
26、 to support the cover. Publication DateJuly 31, 1986 Effective DateJuly 31, 1986 Amendment No. 7 C22.2 No. 80-1978 Canadian Standards AssocIation Rexdale C22.2 No. 80-1978 Underfloor Raceways and Fittings The attached amendments covering Clauses 2, 4.2.2.5, 5.2(e), 8.8, 8.9, and Table 3 have been fo
27、rmally approved. Publication Date The date on or after which this Standard may, at the discretion of the applicant, be used for certification. Effective Date The date on which this Standard shall be applicable to equipment being submitted for certification and to equipment already certified. August
28、1991 Note: This is gummed stock; moisten only where required. Clause 2 Revise the following definitions as follows: After-set Insert or floor tap means a fitting field installed after the installation of the concrete slab or other flooring material, and providing an opening into the distribution rac
29、eway from which the wires or cables can emerge. Preset Insert means a fitting installed prior to the installation of the concrete slab or other flooring material, and providing an opening into the distribution raceway from which the wires or cables can emerge; Add a new definition as follows: Activa
30、tion assembly means the components that include the device plate and the finished floor plate required to convert the insert to a floor fitting. Publication Date August 31, 1991. Effective Date August 31, 1991. Amendment No.8 C22.2 No. 80-1978 Clause 4.2.2.5 Add a new Clause as follows: 4.2.2.5 A pr
31、eset insert manufactured of sheet steel shall have minimum thickness of 0.0418 inch (18 MSG) unless it meets the requirements of Clause 8.8.2. Publication DateAugust 31, 1991. Effective Date August 31, 1991. Amendment No.9 C22.2 No. 80-1978 Table 3 Revise to read: Table 3 Thickness of Floor FItting
32、Enclosures Material Minimum Thickness inch Malleable cast-iron or die-cast or extruded metal for areas greater than 24 square inches, or any dimension greater than 6 inches 0.094 Malleable cast-iron or die-cast or extruded metal for areas 24 square inches or less and no dimension greater than 6 inch
33、es 0.063 Sheet steel before coating 0.067 (No. 14 MSG) Other metal and nonmetallic materials See Note 2 below * The area of dimension of the largest face of the enclosure. Notes: (1) Face plates if made of stainless steel, or other material of equivalent strength, may have a minimum thickness of 0.0
34、33 inch. (2) Notwithstanding Clause 5.1, a floor fitting enclosure can be constructed of material having a thickness less than that given in Table 3 provided that the fitting enclosure meets the test requirements specified in Clause 8.9. Publication DateAugust 31, 1991. Effective Date August 31, 199
35、1. Amendment No. 10 C22.2 No. 80-1978 Clause 5.2(e) Add a new Item (e) as follows: (e) Plastic covers for the floor fittings intended to be installed flush with the floor shall not split, or crack, or distort more than 1/8 inch (3 mm) when tested in accordance with Clause 8.8.3. PublIcation DateAugu
36、st 31, 1991. Effective Date August 31, 1991. Amendment No. 11 C22.2 No. 80-1978 Clause 8.8 Revise as follows: 8.8 Load Test Raceway Buried in Concrete (as previously listed 8.8) 8.8.2 Preset Insert Test A 500-pound (227 kg) load shall be applied on the centre of the top surface of the preset insert
37、by means of a flat-f aced 2-inch (50 mm) diameter rod for a period of 1 minute. This test shall be made on a sample preset insert installed on an underfloor raceway unit. The permanent deformation or distortion in shape, following this test, shall be measured on the preset insert and shall not excee
38、d 1/8 inch (3 mm). Clause 8.8.3 Add a new Clause as follows: 8.8.3 Plastic Floor Fitting Covers Flush With Finished Floors Compliance with Clause 5.2(e) shall be determined as follows: A 300-pound (136 kg) load shall be applied on the centre of the cover by means of a flat-faced 2-inch (50 mm) diame
39、ter cylinder. Publication DateAugust 31, 1991. Effective Date August 31, 1991. Amendment No. 12 C22.2 No. 80-1978 Clause 8.9 Add a new Clause as follows: Tests on Floor Fitting Enclosures Not Complying With the Thickness Requirements of Table 3 Metal or nonmetallic floor fitting enclosures not compl
40、ying with the thickness requirements of Table 3 shall withstand the following tests: (a) Horizontal impact Resistance (for vertical sides when exposed) Samples of the receptacle fittings with the outer covering shall be mounted as described in the manufacturers installation instructions. A 2-inch (5
41、0 mm) diameter, 1.18 pound (0.5 kg) steel ball on a cord shall be allowed to fall in a swinging motion (as in a pendulum) so as to result in a 5 ftibf (6.8 J) impact. Each sample shall be impacted so as to receive one strike each on the centre, and on the right and left of the centre sections on one
42、 side of the device. The devices shall be examined for damage. (b) Vertical Impact A self-contained device shall be mounted on a wood board and subjected to a vertical impact test. The top of the device shall be impacted by dropping a cylindrical steel weight, 2 inches (50 mm) in diameter and weighi
43、ng 10 pounds (4.54 kg), through a guided vertical distance of 12 inches (300 mm). The bottom of the weight shall be flat with no sharp edges. At the completion of the test, the samples shall be inspected for mechanical damage. No cracks or other damage shall be observed. (C) Crushing Samples shall b
44、e placed on a steel plate and subjected to a crushing force of 1000 pounds (450 kg). The crushing force shall be maintained for a period of 5 minutes. The force shall be applied to the top of the device by a flat steel plate larger than the overall dimensions of the device. At the completion of the
45、test, the samples shall be inspected for mechanical damage. No cracks or other damage shall be observed. Publication DateAugust 31, .1991. Effective Date August 31, 1991. Amendment No. 13 C22.2No. 80-1978 Underfloor Raceways and Fittings 3 Contents Page 5 Subcommittee on C22.2 No. 80 6 Committee on
46、Canadian Electrical Code, Part II 8 Preface 9 Reference Publications Standard 11 1. Scope 11 2. Definitions 12 3. General Requirements 12 3.1 General 12 3.2 Construction 12 3.2.1 General 12 3.2.2 Workmanship 12 3.2.3 Protection Against Corrosion of Ferrous Parts 13 3.3 Grounding 13 4. Underfloor Rac
47、eways 13 4.1 Construction 13 4.1.1 Material and Thickness 14 4.1.2 Vertical Partitions 14 4.1.3 Dimensions 14 4.1.4 Fabrication 14 4.1.5 Knockouts 14 4.2 Underfloor Raceway Components 14 4.2.1 General 15 4.2.2 Material and Thickness 15 5. Floor Fittings 16 6. Marking 16 7. Installation Instructions
48、17 8. Tests 17 8.1 Zinc Coating 17 8.1.1 Sheet Steel 17 8.1.2 Irregularly Shaped Objects 4 CSA Standard C22.2 No. 801978 17 8.2 Enamel Coatings 18 8.3 Spot Welding 18 8.4 Bonding 18 8.5 Flashover and Accidental Grounding at Receptacles 19 8.6 Raceway With Covers Flush With the Finished Concrete 19 8
49、.7 Raceway Support 19 8.8 Load Test Underfloor Raceways and Fittings 5 Subcommittee on C22.2 No. 80 C.E. MeRoberts (Chairman) A. Lawrence Thornhill, Ontario H.K. Porter Company (Canada) Ltd., Woodstock, Ontario D. Oxley (Vice-Chairman) Powercom Raceways Ltd., M.J. MacNaugtiton Mississauga, Ontario MacNaughton Electric Company Limited, Agincou
