MA36K -- WIRING DEVICES AND SUPPLIES
Annual 1994

Issued August 1994

Contact person:  Jack Matthews  (301) 457-4842


Table 1. VALUE OF SHIPMENTS OF WIRING DEVICES AND SUPPLIES, BY CLASS OF PRODUCT: 1984 TO 1993
(Millions of current dollars)

Product
  code            Product description                   1994     1993      1992      1991      1990      1989      1988      1987      1986      1985

3643    Current-carrying wiring devices...........   4,510.0  4,086.6   4,153.6   3,939.3   3,857.8   4,031.4   3,921.9   3,663.6   3,320.5   3,433.0
36431    Lampholders..............................     213.3    210.4     197.3     214.7     230.0     240.3     226.6     218.4     202.0     195.0
36432    Convenience and power outlets, both
          general and special purpose, excluding
          pin and sleeve type.....................     344.0  r/313.8     332.0     308.6     287.0     301.2     304.3     290.6     278.8     270.8
36433    Switches for electrical circuitry........   1,632.1  1,473.9   1,423.5   1,310.4   1,348.6   1,376.6   1,524.6   1,425.2   1,254.5   1,265.0
36434    Metal contacts precious and other........     244.4    208.0     240.1     332.3     317.4     375.4     201.8     176.6     159.8     201.6
36435    Wire connectors for electrical circuitry    1,064.0    976.0   1,007.3     915.8     844.3     857.2     842.0     794.6     720.9     778.7
36436    Other current-carrying wiring devices,
          including attachment plug caps, con-
          nector bodies, lightning arrestors, and
          pin and sleeve convenience power outlets   1,012.3  r/904.4     953.3     857.6     830.4     884.2     822.6     758.2     704.6     721.9

3644    Noncurrent-carrying wiring devices........   3,599.7  3,250.7   3,140.4   2,930.3   3,095.8   3,114.7   3,212.1   2,791.1   2,434.1   2,459.5
36441    Pole line and transmission hardware......     621.3  r/618.0     541.6     493.6     516.5     525.5     455.3     384.6     375.2     380.5
36442    Electrical conduit and conduit fittings     1,864.3  1,633.9   1,601.1   1,496.5   1,657.7   1,664.7   1,833.9   1,528.6   1,265.9   1,275.7
36443    Other noncurrent-carrying wiring devices
          and supplies............................   1,114.1    998.7     997.7     940.1     921.6     924.5     923.0     877.9     793.0     803.2



Table 2. QUANTITY AND VALUE OF SHIPMENTS OF WIRING DEVICES AND SUPPLIES: 1994  AND 1993
(Quantity in 1,000 units; value in $1,000)

                                                                                        No.           1994                      1993
  Product                         Product description                                    of
    code                                                                               Cos.   Quantity       Value      Quantity          Value

            Wiring devices and supplies...............................................  (X)        (X)   8,109,710           (X)      7,337,252

3643         Current-carrying wiring devices..........................................  (X)        (X)   4,510,042           (X)      4,086,585

36431 --      Lampholders.............................................................   36    754,134     213,252       732,186        210,440
               Incandescent:
36431 04        Push through and pull types, all materials, threaded, medium base only
                  (excluding outlet box type and socket interiors)....................    5    229,728      44,687     r/216,004       r/43,658
36431 03        Outlet box, threaded, medium base only, pull and keyless types........    8     20,595      21,274        18,788         20,340
36431 06        Weatherproof, threaded, medium base only..............................   10      4,230     a/4,690         4,203          4,555
36431 11        Candelabra base, all types............................................   11     63,566      13,398        65,531         11,472
36431 13        Sign and fixture, medium base only....................................    7     18,964      16,994      r/17,100       r/14,400
36431 19        All other incandescent, medium, admedium, intermediate,
                 lumiline, miniature, (including but not limited to pin-type, cleat
                 hasp, and socket interiors sold separately, all bases)...............   15    155,039      56,444     r/158,059    a/ r/63,059
               Fluorescent:
36431 15        Bi-pin................................................................    8    211,930      27,565       204,582         26,258
36431 21        Slimline..............................................................    5     17,794       6,374        18,256          6,456
36431 23        Recessed double contact...............................................    5     12,377       8,692        11,275          7,863
36431 25        All other fluorescent, including but not limited to circline,
                 panelescent and starter holders......................................    6     13,089       5,710      r/12,200        r/5,315
36431 28        All other lampholders,including cold cathode neon, and bases for
                 quartz lamps.........................................................    8    b/6,822     a/7,424       r/6,158        r/7,064

36432 --      Convenience and power outlets, both general and special purpose,
               excluding pin and sleeve type..........................................   15    243,971     343,999       225,385        313,805
36432 27       Receptacles with GFIC (all types, all amperages).......................    6     18,392     126,672        16,137        113,263
36432 28       2-pole, 2-wire (flush, all types)......................................    6        (1)         (1)           (2)            (2)
               2-pole, 3-wire and up (flush):
36432 29        Locking, 15 amperes and under.........................................    6        (1)         (1)           (2)            (2)
36432 30        Locking, 20 amperes and over..........................................    6      3,525      15,868       r/3,162       r/13,939
36432 31        Nonlocking, 15 amperes and under......................................    6     76,082      52,758      r/69,502       r/46,218
36432 32        Nonlocking, 20 amperes and over.......................................    8     21,424      40,563      r/20,993       r/42,208
36432 34       Appliance and special applications all amperages, all types............    5     17,822       7,014           (2)            (2)
36432 39       All other types, including dust and explosion proof, surface
                 and 2-pole/2-wire....................................................    8  1/106,726   1/101,124     2/115,591       2/98,177

36433 --      Switches for electrical circuitry.......................................   83    955,356   1,632,125       914,680      1,473,916
               General use flush-mounted switches, designed for mounting in
                switch or outlet boxes, except dimmers:
               A.c., except mercury:
36433 60        Single pole, 15 amperes and under.....................................    9     80,025      56,999        74,786         52,524
36433 63        Single pole, over 15 amperes..........................................    6      6,483      18,262       r/5,323       r/14,130
36433 64        Other than single pole, including but not limited to double pole
                 3-way, 4-way.........................................................    8     48,063      67,541        39,286         61,315
36433 51       A.c.-d.c., except mercury..............................................    4        (3)         (3)           (3)            (3)
36433 69       All other general use switches, including surface mounted, mercury, etc.   8   3/20,425    3/21,012      3/18,893       3/18,009
               Special purpose switches:
36433 70        Appliance and fixture, including pendant and canopy types and
                 variable speed controls..............................................   22    106,232     183,430        98,435        162,368
36433 71        Precision (1/8" gap or less) snap-acting switches, excluding limit
                 switches.............................................................   11   a/85,821    a/52,668      a/98,913       a/57,747
36433 72        Aircraft types........................................................    9      2,700      75,590         2,939         78,572
36433 76        Automotive types......................................................   31    393,053     791,617       361,234        689,160
36433 77        All other special purpose switches (including foot actuated), light
                 sensing and signal actuated..........................................   27    200,293     237,681     r/202,644      r/224,648
               Dimmers:
                Incandescent:
36433 93         Infinitely variable, 600 watts or less...............................   11      9,280      57,770         8,701         51,505
36433 94         Infinitely variable, over 600 watts..................................   10        (4)         (4)           453         27,535
36433 95        All other types, including but not limited to portable lamps and
                 high-low switches....................................................    9    4/2,981    4/69,555         3,073         36,403

36434 --      Metal contacts, precious and other......................................   16   5/16,175     244,427      5/15,546        207,979
36435 --      Wire connectors, including connectors used under national electrical
               application............................................................   66   5/25,243   1,063,960      5/23,421        976,035
36435 82        Pressure connectors, where pressure is applied by screw, cone, or
                 other mechanical device..............................................   26      5/627     156,274         5/507        139,120
36435 83        Compression connectors, uninsulated terminals and splicers, tool
                 installed............................................................   26    5/2,389     132,559       5/2,516        128,470
36435 84        Preinsulated terminals and splicers, tool installed...................   16    5/2,015     203,191       5/1,603        168,257
36435 86        Banded or strip terminals and splicers, machine installed.............   16    5/5,829     115,682       5/5,646        110,945
36435 87        Pigtail connectors, including wire nuts...............................   14    5/2,835      73,755       5/2,594         68,154
36435 88        Blade or pin type, separable terminations and splicers................   12    5/5,274     137,724       5/4,993        123,807
36435 89        Other wire connectors n.e.c., including solder type...................   28    5/6,274     244,775    5/ r/5,562      r/237,282

36436 --      Other current-carrying wiring devices, including attachment plug caps,
               connector bodies, lightning arresters, pin and sleeve convenience
               power outlets, etc.....................................................  123        (X)   1,012,279           (X)        904,410
               Attachment plug caps and flanged outlets (including motor bases), all
                types (including fused, fuseless, switch, and switchless):
36436 40        2-pole, 2-wire, all types, general use locking and nonlocking, all
                 amperages...........................................................    14     54,753      18,320      r/47,161         15,885
                2-pole, 3-wire and up:
36436 41         Locking, 15 amperes and under.......................................     9      2,568     a/6,129       r/2,129        r/4,860
36436 42         Locking, 20 amperes and over........................................     9    b/2,172    a/17,105       r/1,859       r/14,705
36436 43         Nonlocking, 15 amperes and under....................................    12   a/22,256    b/35,051      r/21,511         33,946
36436 44         Nonlocking, 20 amperes and over.....................................    12      9,875      20,907         8,978       r/18,459
36436 45        All other types, except pin and sleeve, including dust and explosion
                  proof, appliance, and other special application....................    10      2,607      35,705         2,304         32,539
               Connector bodies and flanged outlets, all types:
36436 49        2-pole, 2-wire, all types, all amperages.............................    13      5,742       2,668       r/6,504          2,707
                2-pole, 3-wire and up:
36436 51         Locking, 15 amperes and under.......................................    10      1,636      10,546       r/1,289        r/7,002
36436 53         Locking, 20 amperes and over........................................     8        852    a/12,965         r/788       r/11,652
36436 55         Nonlocking, 15 amperes and under....................................    11    a/5,243    a/18,616       r/4,745       r/16,507
36436 57         Nonlocking, 20 amperes and over.....................................     8        712       4,000           862          3,309
36436 58        All other types, excluding pin and sleeve, including dust and
                 explosion proof, appliance, and other special application...........     9     41,008      45,273      r/33,191         35,467
               Pin and sleeve convenience and power outlets, attachment plug caps,
                and connector bodies:
                Pin and sleeve, general purpose (120 volts and over, 20 amperes and
                 over):
36436 65         Convenience and power outlets.......................................     9        947      33,623           753         28,643
36436 67         Attachment plug caps................................................     9        305      20,488         r/340       r/19,862
36436 69         Connector bodies....................................................     9        443      22,791         r/378       r/19,552
36436 72        All other pin and sleeve, including dust and explosion proof, 20 amp.
                 types, etc..........................................................     7        300      11,637           411         12,999
36436 79       Fluorescent starters..................................................     5      9,631       2,504         8,197          2,572
36436 81       Terminal blocks.......................................................    23    133,859     109,106       117,419         93,665
36436 83       Lightning arresters for alternating current power transmission
                systems and substations; U.S. designation, station and intermediate,
                I.E.C. designation 10KA and 5KA Series A.............................     7        (X)      31,827           (X)         30,265
36436 85       Lightning arresters for alternating current power distribution
                systems and substations; U.S. designation, distribution and secondary
                I.E.C. designation 5KA Series B, 2.5KA and 1.5KA.....................     6        (X)     111,318           (X)        102,699
36436 88       Surge suppressors, designed for equipment operating on 110/12 volt
                 circuits............................................................    11        (X)      50,847           (X)       r/39,561
36436 91       Lightning rods .......................................................    12        (X)    a/36,899           (X)       a/32,161
36436 94       Electric harnesses and assemblies, excluding engine harnesses (from
                purchased wire)......................................................    16        (X)      86,526           (X)         73,134
36436 98       All other wiring devices with integral ground fault circuit
                interrupting capabilities, excluding circuit breakers................     5        314       6,176           269          5,403
36436 97       Miscellaneous, including combination devices, adaptors, current taps,
                surface extensions, rosettes, choke coils, rail bonds, and overhead
                trolley line materials...............................................    38        (X)     261,252           (X)      r/246,856

3644- --     Noncurrent-carrying wiring devices......................................   (X)        (X)   3,599,668           (X)      3,250,667

36441 --      Pole and transmission line hardware....................................    40        (X)     621,274           (X)        618,029
36441 12       Pole and transmission line construction materials, also known as
                overhead and underground line hardware for electric transmission,
                distribution, and communication lines................................    32        (X)     496,834           (X)      r/502,584
36441 13       Pole and transmission line anchors....................................     5        (X)      16,604           (X)         15,289
36441 19       All other pole and transmission line hardware.........................    12        (X)     107,836           (X)        100,156

36442 --      Electrical conduit and conduit fittings................................    82        (X)   1,864,300           (X)      1,633,915
               Rigid metal conduit, excluding couplings, nipples, bends, and elbows:
36442 01         Standard weights (steel)(short tons)................................     7    243,240     231,542     6/249,499      6/224,848
36442 05         Other metallic conduit (short tons).................................     3     24,058      22,071           (6)            (6)
36442 24       Nonmetallic conduit (1,000 lbs.)......................................     6    630,533     284,180       549,401        228,753
36442 27       Electrical metallic tubing (short tons)...............................     6    358,848     294,183       321,753        247,209
36442 33       Flexible steel and aluminum conduit (1,000 feet)......................     9    218,099    a/74,819     r/170,980         55,534
36442 32       Flexible nonmetallic conduit (1,000 pounds)...........................    12   c/85,697      37,699   r/ b/84,913         31,533
36442 35       Raceways and wire ways, including fittings, metal.....................    15        (X)     146,923           (X)        134,297
36442 38       Ventilated cable tray and accessories.................................     5        (X)      41,411           (X)         38,005
36442 51       Cast conduit bodies, covers, and gaskets..............................    10        (X)     116,358           (X)      r/117,704
               Rigid conduit fittings, including couplings, nipples, bends, and
                elbows:
36442 53        Couplings, connectors, and unions.....................................   20        (X)     142,747           (X)        142,445
36442 54        Locknuts and bushings.................................................   10        (X)      29,429           (X)         28,256
36442 59        All other rigid conduit fittings......................................    8        (X)         (7)           (X)            (7)
36442 52        Nonmetallic conduit fittings..........................................   15        (X)    7/92,901           (X)       7/73,873
               EMT fittings (couplings and connectors):
36442 56        Gland type............................................................   15        (X)      33,483           (X)         31,861
36442 57        Set-screw type........................................................   12        (X)      47,402           (X)         35,812
36442 58        All others............................................................   11        (X)       6,426           (X)     a/ r/3,720
36442 44       Service entrance caps, ells, and connectors............................   14        (X)      10,216           (X)          9,811
               Cable, cord, and flexible conduit fittings:
36442 71        Armored cable, metallic sheathed cable, and flexible conduit fittings.   16        (X)     127,089           (X)       r/95,304
36442 77        Liquid-tight flexible conduit fittings................................   13        (X)      54,801           (X)         63,340
36442 72        Nonmetallic sheathed cable and cord fittings..........................   16        (X)      38,221           (X)       r/36,931
36442 46        Other electric conduit fittings.......................................   16        (X)      32,399           (X)    a/ r/34,679

36443 --      Other noncurrent-carrying wiring devices and supplies...................   82        (X)   1,114,094           (X)        998,723
               Stamped metal boxes, covers, and accessories, including stamped
                conduit boxes:
36443 31        Switch and receptacle boxes...........................................   13        (X)     334,551           (X)        291,598
36443 32        Outlet boxes..........................................................   10        (X)     116,845           (X)        100,731
36443 33        Covers................................................................   11        (X)      37,961           (X)         29,992
36443 34        Supports, bar hangers, and other accessories..........................   15        (X)      42,349           (X)       r/45,210
               Cast metal boxes, covers, gaskets, and accessories:
36443 41        FS and FD switch and receptacle type..................................   11        (X)      37,823           (X)       r/35,104
36443 42        Outlet type...........................................................    8        (X)      36,667           (X)         36,089
36443 43        Junction type.........................................................   19        (X)      79,104           (X)         72,831
               Switch, outlet, FM/TV, and telephone wall plates:
36443 35        Metallic..............................................................    9     44,371      22,953        47,515         22,829
36443 36        Nonmetallic...........................................................    9    253,343      55,803       234,541         50,868
36443 37       Plastic boxes and covers...............................................   18        (X)      95,231           (X)         82,456
36443 38       Floor boxes and covers.................................................    9        (X)      35,335           (X)       r/31,404
36443 48       Other noncurrent carrying wiring devices and supplies..................   35        (X)     219,472           (X)        199,611

  Note: The percent of estimation of each item is indicated as follows (see "Description of Survey" for a discussion of estimation of missing reports):

  (a) 10 to 25 percent of this item is estimated. (b) 25 to 50 percent of this item is estimated. (c) Over 50 percent of this item is estimated.
  (r) Revised by 5 percent or more from previosly published figures.
  (X) Not applicable.    n.e.c. Not elsewhere classified.

  (1) Product codes 3643228, 3643229, and 3643239 are combined for 1994 to avoid disclosing figures for individual companies.
  (2) Product codes 3643228, 3643229, 3643234, and 3643239 are combined for 1993 to avoid disclosing figures for individual companies.
  (3) Product codes 3643351 and 3643369 are combined to avoid disclosing figures for individual companies.
  (4) Product codes 3643394 and 3643395 are combined for 1994 to avoid disclosing figures for individual companies.
  (5) Quantities for product codes beginning with 36434 and 36435 are published in millions of units rather than thousands of units.
  (6) Product codes 3644201 and 3644205 are combined for 1993 to avoid disclosing figures for individual companies.
  (7) Product codes 3644259 and 3644252 are combined to avoid disclosing figures for individual companies.



Table 3. VALUE OF SHIPMENTS, EXPORTS, AND IMPORTS OF
         SELECTED WIRING DEVICES: 1994 AND 1993
(Millions of dollars)

                                         Exports of
                       Manufacturers'    domestic
      Product            shipments       merchandise        Imports for
    description      f.o.b. plant (1)    at port(1)(2)    consumption(1) (3)

        1994

Lampholders.........       213.3              13.9              66.2
Metal contacts......       244.4              28.0              36.6

        1993
Lampholders.........       210.4              12.9              61.2
Metal contacts......       208.0              19.2              28.0

1/For comparison of SIC codes with Schedule B export numbers
   and HTUSA import numbers, see table 4.
2/Source: Bureau of the Census report EM 545, U.S. Exports.
3/Source: Bureau of the Census report IM 145, U.S. Imports for
   Consumption.



Table 4. COMPARISON OF STANDARD INDUSTRIAL CLASSIFICATION-BASED
         PRODUCT CODES WITH SCHEDULE B EXPORT NUMBERS, AND
         HTSUSA IMPORT NUMBERS: 1994

   Product              Product description                  Export           Import
     code                                                  number/1         number/2

36431 00      Lampholders............................. 8536.61.0000     8536.61.0000

36434 00      Metal contacts.......................... 8538.90.0040     8538.90.8040

36433 60      Switches, other than dimmers............ *8536.50.0060    *8536.50.0060
36433 63                                               *8535.30.0040    *8535.30.0040
36433 64
36433 65
36433 66
36433 67
36433 68
36433 70
36433 71
36433 72
36433 76
36433 77

36433 93      Switches, dimmers....................... *8533.39.0040    *8533.39.0040
36433 94
36433 95

36435 00      Wire connectors......................... *8536.69.0060    *8536.69.0060

36442 00      Conduit fittings........................ *8547.90.0020    *8547.90.0020
                                                       *8547.90.0030    *8547.90.0030
                                                       *8547.90.0040    *8547.90.0040

* This code is partially correlated with the products described.

1/Source: Harmonized System-Based Schedule B, Statistical Classification of
          Domestic and Foreign Commodities Exported from the United States.
2/Source: Harmonized Tariff Schedule of the United States, Annotated.
    42,349           (X)       r/45,210
               Cast metal boxes, covers, gaskets, a