MA36K--WIRING DEVICES AND SUPPLIES:  1991
Contact person:  Jack Matthews, 301-763-1513


Table 2.  QUANTITY AND VALUE OF SHIPMENTS OF WIRING DEVICES AND SUPPLIES:  1991 AND 1990
(Quantity in 1,000 units; value in $1,000)

                                                                                                   No.         1991                    1990
 Product                                   Product description                                      of
    code                                                                                          Cos.   Quantity      Value     Quantity        Value

             Wiring devices and supplies.......................................................... (X)        (X)  6,686,164          (X)    6,879,287

3643       Current-carrying wiring devices........................................................ (X)        (X)  3,779,459          (X)    3,857,757

36431 --     Lampholders..........................................................................  35    753,232    214,686      845,580      230,045
               Incandescent:
36431 01         Nonmetallic outer shell, threaded, medium base only, keyless,
                  push through and pull types, excluding outlet box type and
                  socket interiors................................................................   7        (D)        (D)          (D)          (D)
36431 02         Metal outer shell, threaded, medium base only, key, keyless,
                  push through and pull types, excluding outlet box type and
                  socket interiors................................................................   5     29,561     17,510       27,169       16,340
36431 03         Outlet box, threaded, medium base only, pull and keyless types...................   8     31,426     22,268       31,633       22,646
36431 06         Weatherproof, threaded, medium base only.........................................   8      5,179      4,646      r/6,238        5,087
36431 11         Candelabra base, all types.......................................................  13     86,002     10,529     r/77,504       10,849
36431 12         Mogul base, all types............................................................   6        (D)        (D)          (D)          (D)
36431 13         Sign and fixture, medium base only...............................................   7     61,416     35,733       72,677       41,166
36431 14         All other incandescent, medium, admedium, intermediate,
                  lumiline, miniature (including but not limited to pin-type, cleat,
                  hasp, and socket interiors sold separately, all bases)..........................  17    111,636     38,763      141,407       42,227

               Fluorescent:
36431 15         Bi-pin...........................................................................   8    191,701     23,827      198,157       24,292
36431 21         Slimline.........................................................................   6     20,408      6,501       20,954        6,458
36431 23         Recessed double contact..........................................................   6     10,405      7,377       11,700        8,066
36431 25         All other fluorescent, including but not limited to circline,
                  panelscent and starter holders..................................................   7     40,636      5,120       41,821        4,999
36431 28       All other lampholders, including cold cathode neon, and bases for quartz lamps.....   8      7,066      6,464        8,169        7,360

36432 --     Convenience and power outlets, both general and special purpose,
             excluding pin and sleeve type........................................................  15    208,281    295,762      230,033      287,036
36432 27       Receptacles with GFIC (all types, all amperages)...................................   5     12,371     90,234       10,962       83,616
36432 28       2-pole, 2-wire (flush, all types)..................................................   8      2,987      1,464        5,072        1,797
               2-pole, 3-wire and up (flush):
36432 29         Locking, 15 amperes and under....................................................   6        482      3,401          398        2,658
36432 30         Locking, 20 amperes and over.....................................................   6      1,650     16,830        1,557       15,176
36432 31         Nonlocking, 15 amperes and under.................................................   7    153,155     83,577      174,860       87,434
36432 32         Nonlocking, 20 amperes and over..................................................   7     19,391     47,628       17,380       42,252
36432 34       Appliance and special applications all amperages, all types........................   5     10,799      3,742       12,141        3,585
36432 35       Dust and explosion proof.AND.......................................................   3
36432 37       All other types, including surface outlets.........................................   8      7,446     48,886        7,663       50,518

36433 --     Switches for electrical circuitry....................................................  81    884,356  1,304,323    1,007,324    1,348,628
               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     66,657     44,799       71,252       45,942
36433 63           Single pole, over 15 amperes...................................................   6      5,046     14,291        3,807       11,211
36433 64           Other than single pole, including but not limited to double pole                  7     32,415     46,137       30,497       44,652
                    3-way,4-way...................................................................
                 A.c.-d.c., except mercury:
36433 65           Single pole, all amperages.....................................................   6      2,044      2,690        2,210        2,195
36433 66           Other than single pole, including but not limited to double pole
                    3-way, 4-way.AND..............................................................   5
36433 67         Mercury.AND......................................................................   4
36433 68         All other general use switches, including but not limited to surface-mounted       11     15,280     16,547     r/15,658     r/18,893
               Special purpose switches:
36433 70         Appliance and fixture, including pendant and canopy types and variable
                 speed controls...................................................................  23     96,130    143,012      109,473      161,552
36433 71         Precision (1/8" gap or less) snap-acting switches, excluding limit switches.       11    106,134     79,322    r/111,998     r/93,917
36433 72         Aircraft types...................................................................   9      1,047     95,288      r/1,046     r/95,363
36433 76         Automotive types.................................................................  29    357,096    583,755      415,204    r/602,887
36433 77         All other special purpose switches (including foot actuated), light sensing
                  and signal actuated.............................................................  23    190,166    179,095    r/233,460    r/173,443

               Dimmers:
                 Incandescent:
36433 93           Infinitely variable, 600 watts or less.........................................  12      8,437     51,913      r/8,026     r/54,826
36433 94           Infinitely variable, over 600 watts............................................  12        526     21,165          352       15,401
36433 95         All other types, including but not limited to portable lamps and high-low
                  switches........................................................................   9      3,378     26,309        4,341       28,346

36434 --     Metal contacts, precious and other.......................................... ........  17   1/22,063    296,033   1 r/25,206      317,360
36435 --     Wire connectors, including connectors used under national electrical
              application.........................................................................  64   1/19,357    810,459     1/20,376      844,282
36435 82       Pressure connectors, where pressure is applied by screw, cone, or other
                mechanical device.................................................................  26      1/226    138,444      1 r/226    r/147,289
36435 83       Compression connectors, uninsulated terminals and splicers, tool installed.........  26    1/2,599    123,977      1/2,866      134,770
36435 84       Preinsulated terminals and splicers, tool installed................................  17    1/1,443    150,474      1/1,570      153,713
36435 86       Banded or strip terminals and splicers, machine installed..........................  14    1/4,761     80,086    1 r/5,095     r/85,130
36435 87       Pigtail connectors, including wire nuts............................................  14    1/2,135     57,315      1/2,384       63,428
36435 88       Blade or pin type, separable terminations and splicers.............................  12    1/5,363    103,516      1/5,424      103,368
36435 89       Other wire connectors n.e.c., including solder type................................  28    1/2,831    156,647      1/2,812    r/156,584

36436 --     Other current-carrying wiring devices, including attachment plug caps,
             connector bodies, lightning arrestors, pin and sleeve convenience
             power outlets, etc................................................................... 101        (X)    858,196          (X)      830,406

             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.......  15     58,435     14,655       58,079     r/12,814
               2-pole, 3-wire and up:
36436 41         Locking, 15 amperes and under....................................................   9      2,504      9,038      r/2,798      r/9,392
36436 42         Locking, 20 amperes and over.....................................................   8      2,435     24,261        2,406       22,478
36436 43         Nonlocking, 15 amperes and under.................................................  14     22,492     38,947       22,248       35,588
36436 44         Nonlocking, 20 amperes and over..................................................  12      9,306     19,865       13,764       26,847
36436 46       Appliance and special application types.AND........................................   7
36436 47       Dust and explosion, except pin and sleeve.AND......................................   2
36436 48       All other types, except pin and sleeve.............................................   1      1,848     22,640        1,210       17,533

             Connector bodies and flanged outlets, all types:
36436 49       2-pole, 2-wire, and types, all amperages...........................................  11      7,413      2,736      r/7,425      r/2,616
               2-pole, 3-wire and up:
36436 51         Locking, 15 amperes and under....................................................   9      1,291      6,174      r/1,680      r/6,483
36436 53         Locking, 20 amperes and over.....................................................   8      1,218     19,606        1,221       18,171
36436 55         Nonlocking, 15 amperes and under.................................................  12      5,180     23,517      r/5,221       21,780
36436 57         Nonlocking, 20 amperes and over..................................................   9        794      2,827          724        2,704
36436 59       Appliance and special application types, all amperages.AND.........................   8
36436 61       Dust and explosion proof, except pin and sleeve.AND................................   2
36436 63       All other types, except pin and sleeve.............................................   3     36,608     40,768       31,924       41,911

             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....................................................  10        579     26,981        r/553     r/28,397
36436 67         Attachment plug caps.............................................................   9        394     24,940        r/483     r/25,726
36436 69         Connector bodies.................................................................   8        360     18,765          372       17,695
               Pin and sleeve, dust and explosion proof (120 volts and over 20 amperes and
                over):
36436 71         Convenience and power outlets.AND................................................   4
36436 73         Attachment plug caps.AND.........................................................   4
36436 75         Connector bodies.AND.............................................................   3
36436 77       Pin and sleeve, less than 120 volts, less than 20 amperes, all types, except
                electronic........................................................................   3        435     11,628          407       11,947

36436 79     Fluorescent starters.................................................................   5      9,324      2,596        9,206        2,741
36436 81     Terminal blocks......................................................................  21     79,007     77,166      109,791       86,185
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)     56,746          (X)       51,536
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.......................................................   7        (X)     86,074          (X)       91,010
36436 87     Choke coils and all other protective devices.........................................   3        (X)        (2)          (X)        5,843
36436 89     Rail bonds for both propulsion and signal circuits...................................   3        (X)        (2)          (X)          (2)
36436 91     Lightning rods.......................................................................  10        (X)        (2)          (X)          (2)
36436 92     Overhead trolley line material, except pole and transmission line construc-
              tion materials and expansion plugs for roof bolting in mines........................   2        (X)   2/38,934          (X)     2/28,352
36436 94     Electric harnesses and assemblies, excluding engine harnesses (from
             purchased wire)......................................................................   8        (X)     53,633          (X)     r/45,153
36436 98     All other wiring devices with integral ground fault circuit interrupting
              capabilities, excluding circuit breakers............................................   6     14,618      7,850     r/18,846      r/9,780
36436 99     Miscellaneous, including but not limited to combination devices, adaptors,
              current taps, surface extensions, and rosettes......................................  36        (X)    227,849          (X)    r/207,724

3644- --   Noncurrent-carrying wiring devices..................................................... (X)        (X)  2,960,511          (X)    3,095,819

36441 --     Pole and transmission line hardware..................................................  36        (X)    493,621          (X)      516,491
36441 12       Pole and transmission line construction materials, also known as overhead and
                underground line hardware for electric transmission, distribution, and com-
                munication lines..................................................................  28        (X)    395,661          (X)    r/420,928
36441 13       Pole and transmission line anchors.................................................   6        (X)     16,264          (X)       16,939
36441 14       Pole and transmission line construction materials, manufactured to specifi-
                cation, where such materials are not otherwise commercially available.AND.........   5
36441 51       Suspension hardware for high voltage insulators, including clamps and
                fittings, strain yokes and fittings...............................................   5        (X)     81,696          (X)       78,624

36442 --     Electrical conduit and conduit fittings..............................................  85        (X)  1,529,244          (X)    1,657,715
               Rigid conduit, excluding couplings, nipples, bends, and elbows:
                 Steel (short tons):
36442 21           Standard weights (short tons)..................................................   8    230,214    206,375      248,675      239,168
36442 22           Intermediate (short tons).AND..................................................   4
36442 25         Aluminum (short tons).AND........................................................   2
36442 26         Other metal conduit (short tons).................................................   1     90,951     46,107      103,650       62,361
36442 24         Nonmetallic conduit (1,000 lbs.).................................................   7    581,568    243,682    r/607,143    r/261,619
36442 27       Electrical metallic tubing (short tons)............................................   6    310,066    223,937      298,246      239,082
36442 33       Flexible steel and aluminum conduit (1,000 feet)...................................   8    207,089     53,518      215,194       57,307
36442 32       Flexible nonmetallic conduit (1,000 pounds)........................................  10     52,414     49,659       65,250       52,888
               Raceways and wire ways, including fittings, metal.................................. (X)        (X)    155,538          (X)      161,186
36442 34         Surface..........................................................................  16        (X)     94,749          (X)       97,379
36442 37         Underfloor.AND...................................................................   2
36442 38         Ventilated cable tray and accessories............................................   4        (X)     60,789          (X)       63,807
36442 5l       Cast conduit bodies, covers, and gaskets...........................................  12        (X)     94,063          (X)       95,139
               Rigid conduit fittings, including couplings, nipples, bends, and elbows............ (X)        (X)    186,722          (X)      200,479
36442 53         Couplings, connectors, and unions................................................  20        (X)    110,391          (X)      109,188
36442 54         Locknuts and bushings............................................................  10        (X)     20,510          (X)       21,798
36442 59         All other rigid conduit fittings.................................................   7        (X)     25,453          (X)       32,313
36442 52         Nonmetallic conduit fittings.....................................................  12        (X)     30,368          (X)       37,180

               EMT fittings (couplings and connectors)............................................ (X)        (X)     65,479          (X)       69,550
36442 56         Gland type.......................................................................  16        (X)     31,416          (X)       32,284
36442 57         Set-screw type...................................................................  12        (X)     31,723          (X)       34,829
36442 58         All others.......................................................................  11        (X)    a/2,340          (X)      a/2,437
36442 44       Service entrance caps, ells, and connectors........................................  14        (X)     10,726          (X)        8,462
               Cable, cord, and flexible conduit fittings......................................... (X)        (X)    156,351          (X)      172,054
36442 71         Armored cable, metallic sheathed cable, and flexible conduit fittings............  16        (X)     61,748          (X)       80,761
36442 77         Liquid-tight flexible conduit fittings...........................................  13        (X)     56,942          (X)       52,732
36442 72         Nonmetallic sheathed cable and cord fittings.....................................  17        (X)     37,661          (X)       38,561
36442 46       Other electric conduit fittings....................................................  23        (X)     37,087          (X)       38,420

36443 --     Other noncurrent-carrying wiring devices and supplies................................  82        (X)    937,646          (X)      921,613
               Stamped metal boxes, covers, and accessories, incl. stamped conduit boxes.......... (X)        (X)    395,782          (X)      373,960
36443 31         Switch and receptable boxes......................................................  13        (X)    245,774          (X)      236,384
36443 32         Outlet boxes.....................................................................  10        (X)     80,264          (X)       73,151
36443 33         Covers...........................................................................  15        (X)     45,664          (X)       40,506
36443 34         Supports, bar hangers, and other accessories.....................................  14        (X)     24,080          (X)       23,919
               Cast metal boxes, covers, gaskets, and accessories................................. (X)        (X)    134,048          (X)      129,373
36443 41         FS and FD switch and receptacle type.............................................  12        (X)     30,667          (X)       34,432
36443 42         Outlet type......................................................................   8        (X)     34,540          (X)       33,086
36443 43         Junction type....................................................................  20        (X)     68,841          (X)       61,855
               Switch, outlet, FM/TV, and telephone wall plates................................... (X)    370,347     96,450      385,750      100,519
36443 35         Metallic.........................................................................  10     41,694     25,466       45,294       26,143
36443 36         Nonmetallic......................................................................  10    328,653     70,984      340,456       74,376
36443 37       Plastic boxes and covers...........................................................  14        (X)     64,095          (X)       66,001
               Floor boxes and covers............................................................. (X)        (X)     30,979          (X)       29,223
36443 39         Metallic.AND.....................................................................   9
36443 40         Non-metallic.....................................................................   4        (X)     30,979          (X)       29,223
36443 48       Other noncurrent carrying wiring devices and supplies..............................  36        (X)    216,292          (X)      222,537

   Note:  The percent or 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 previously published figures.     (X) Not applicable.     (D) Data withheld to avoid disclosing figures for
individual companies.     n.e.c. Not elsewhere classified.

   1/Quantities for product codes beginning with 36434 and 36435 are published in millions of units rather than thousands of units.
   2/For 1991, product codes 36436 87, 36436 89, 36436 91, and 36436 92 and for 1990, product codes 36436 89, 36436 91, and 36436 92 are combined to
avoid disclosing figures for individual companies.............  12        (X)     30,368          (X)