MA36K-WIRING DEVICES AND SUPPLIES 1992 ANNUAL REPORT MA36K(92)-1 Contact person: Jack Matthews, 301-763-1513 For survey methodology and definitions of terms, see the 1991 publication, MA36K(91)-1, issued November 1992. Printed data tables will be available at the end of each data year through an annual compendium publication, which will include information on all Current Industrial Reports. Table 1. VALUE OF SHIPMENTS OF WIRING DEVICES AND SUPPLIES, BY CLASS OF PRODUCT: 1983 TO 1992 (Millions of current dollars) Product code Product description 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 3643 Current-carrying wiring devices............ 4,104.3 3,939.3 3,857.8 4,031.4 3,921.9 3,663.6 3,320.5 3,433.0 3,399.2 2,930.9 36431 Lampholders............................... 204.5 214.7 230.0 240.3 226.6 218.4 202.0 195.0 184.8 172.3 36432 Convenience and power outlets, both general and special purpose, excluding pin and sleeve type...................... 330.8 308.6 287.0 301.2 304.3 290.6 278.8 270.8 254.5 212.1 36433 Switches for electrical circuitry......... 1,387.7 1,310.4 1,348.6 1,376.6 1,524.6 1,425.2 1,254.5 1,265.0 1,274.0 1,054.4 36434 Metal contacts precious and other......... 290.5 332.3 317.4 375.4 201.8 176.6 159.8 201.6 208.5 193.8 36435 Wire connectors for electrical circuitry.. 999.8 915.8 844.3 857.2 842.0 794.6 720.9 778.7 764.0 664.9 36436 Other current-carrying wiring devices, including attachment plug caps, con- nector bodies, lightning arrestors, and pin and sleeve convenience power outlets. 891.1 857.6 830.4 884.2 822.6 758.2 704.6 721.9 713.4 633.4 3644 Noncurrent-carrying wiring devices......... 3,104.6 2,930.3 3,095.8 3,114.7 3,212.1 2,791.1 2,434.1 2,459.5 2,355.4 1,931.1 36441 Pole line and transmission hardware....... 515.5 493.6 516.5 525.5 455.3 384.6 375.2 380.5 370.3 351.3 36442 Electrical conduit and conduit fittings... 1,547.6 1,496.5 1,657.7 1,664.7 1,833.9 1,528.6 1,265.9 1,275.7 1,223.3 915.1 36443 Other noncurrent-carrying wiring devices and supplies............................. 1,041.6 940.1 921.6 924.5 923.0 877.9 793.0 803.2 761.9 664.7 Table 2. QUANTITY AND VALUE OF SHIPMENTS OF WIRING DEVICES AND SUPPLIES: 1992 AND 1991 (Quantity in 1,000 units; value in $1,000) No. of 1992 1991 Product Product description com- code panies Quantity Value Quantity Value Wiring devices and supplies............................................. (X) (X) 7,208,961 (X) 6,869,607 3643 Current-carrying wiring devices........................................ (X) (X) 4,104,348 (X) 3,939,318 36431 -- Lampholders........................................................... 30 713,188 204,452 753,233 214,686 Incandescent: 36431 01 Nonmetallic outer shell, threaded, medium base only, keyless, push through and pull types, excluding outlet box type and socket interiors.......................................................... 6 (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................................................... 3 (D) (D) 29,561 17,510 36431 03 Outlet box, threaded, medium base only, pull and keyless types...... 7 31,818 22,922 31,426 22,268 36431 06 Weatherproof, threaded, medium base only............................ 7 4,064 4,126 5,179 4,646 36431 11 Candelabra base, all types.......................................... 10 65,781 10,622 86,002 10,529 36431 12 Mogul base, all types............................................... 5 (D) (D) (D) (D) 36431 13 Sign and fixture, medium base only.................................. 5 56,688 33,763 61,416 35,733 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)............. 11 100,011 30,199 111,636 38,763 Fluorescent: 36431 15 Bi-pin.............................................................. 7 201,267 25,255 191,701 23,827 36431 21 Slimline............................................................ 5 22,096 6,791 20,409 6,501 36431 23 Recessed double contact............................................. 5 11,252 8,067 10,405 7,377 36431 25 All other fluorescent, including but not limited to circline, panelescent and starter holders.................................... 6 40,700 6,011 40,636 5,120 36431 28 All other lampholders,including cold cathode neon, and bases for quartz lamps....................................................... 8 6,569 6,302 7,066 6,464 36432 -- Convenience and power outlets, both general and special purpose, excluding pin and sleeve type........................................ 15 219,480 330,813 209,909 308,591 36432 27 Receptacles with GFIC (all types, all amperages)..................... 5 14,337 102,955 12,371 90,234 36432 28 2-pole, 2-wire (flush, all types).................................... 8 (D) (D) (D) (D) 2-pole, 3-wire and up (flush): 36432 29 Locking, 15 amperes and under....................................... 6 550 3,872 482 3,401 36432 30 Locking, 20 amperes and over........................................ 6 1,807 18,047 1,650 16,830 36432 31 Nonlocking, 15 amperes and under.................................... 7 158,145 86,684 153,155 83,577 36432 32 Nonlocking, 20 amperes and over..................................... 8 20,911 51,025 19,396 47,696 36432 34 Appliance and special applications all amperages, all types.......... 4 10,485 3,792 10,799 3,742 36432 35 Dust and explosion proof ............................................ 3 (D) (D) (D) (D) 36432 37 All other types, including surface outlets........................... 8 8,113 47,423 7,428 45,423 36433 -- Switches for electrical circuitry..................................... 80 891,608 1,387,721 890,931 1,310,396 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 72,064 49,357 66,657 44,801 36433 63 Single pole, over 15 amperes........................................ 6 5,388 15,173 5,046 14,291 36433 64 Other than single pole, including but not limited to double pole 3-way, 4-way....................................................... 8 36,889 55,698 32,415 46,137 A.c.-d.c., except mercury: 36433 65 Single pole, all amperages.......................................... 5 2,020 2,286 2,044 2,690 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............................................................. 10 18,014 18,000 15,280 16,547 Special purpose switches: 36433 70 Appliance and fixture, including pendant and canopy types and variable speed controls............................................ 22 108,424 169,707 100,566 149,608 36433 71 Precision (1/8" gap or less) snap-acting switches, excluding limit switches........................................................... 9 97,493 70,958 106,134 79,322 36433 72 Aircraft types...................................................... 9 2,589 82,033 r/3,221 95,288 36433 76 Automotive types.................................................... 30 343,305 614,099 357,164 583,755 36433 77 All other special purpose switches (including foot actuated), light sensing and signal actuated........................................ 22 192,186 196,900 190,063 178,570 Dimmers: Incandescent: 36433 93 Infinitely variable, 600 watts or less............................. 11 9,139 51,643 8,264 r/44,448 36433 94 Infinitely variable, over 600 watts................................ 11 411 25,472 r/614 r/23,125 36433 95 All other types, including but not limited to portable lamps and high-low switches.................................................. 10 3,686 36,395 3,463 r/31,814 36434 -- Metal contacts, precious and other.................................... 16 1/23,259 290,471 1 r/29,923 r/332,304 36435 -- Wire connectors, including connectors used under national electrical application.......................................................... 63 1/23,487 999,755 1/23,105 915,758 36435 82 Pressure connectors, where pressure is applied by screw, cone, or other mechanical device............................................. 24 1/225 129,514 1/218 r/127,565 36435 83 Compression connectors, uninsulated terminals and splicers, tool installed........................................................... 24 1/1,870 132,160 1/2,590 123,788 36435 84 Preinsulated terminals and splicers, tool installed.................. 15 1/1,502 162,089 1/1,425 149,481 36435 86 Banded or strip terminals and splicers, machine installed............ 15 1/6,388 114,267 1 r/6,297 r/106,007 36435 87 Pigtail connectors, including wire nuts.............................. 15 1/2,349 62,571 1/2,135 57,315 36435 88 Blade or pin type, separable terminations and splicers............... 11 1/4,923 109,127 1/5,316 101,637 36435 89 Other wire connectors n.e.c., including solder type.................. 27 1/6,231 290,027 1 r/5,123 r/249,965 36436 -- Other current-carrying wiring devices, including attachment plug caps, connector bodies, lightning arresters, pin and sleeve convenience power outlets, etc................................................... 101 (X) 891,136 (X) 857,583 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 44,710 15,906 58,435 14,655 2-pole, 3-wire and up: 36436 41 Locking, 15 amperages and under.................................... 9 2,607 9,652 2,504 9,038 36436 42 Locking, 20 amperages and over..................................... 8 2,607 24,518 2,435 24,261 36436 43 Nonlocking, 15 amperes and under................................... 13 23,332 40,742 22,492 38,947 36436 44 Nonlocking, 20 amperes and over.................................... 12 11,907 25,231 9,306 19,865 36436 46 Appliance and special application types AND......................... 9 36436 47 Dust and explosion, except pin and sleeve AND....................... 2 36436 48 All other types, except pin and sleeve.............................. 2 3,839 30,072 3,827 26,658 Connector bodies and flanged outlets, all types: 36436 49 2-pole, 2-wire, all types, all amperages............................ 11 6,604 2,584 7,413 2,736 2-pole, 3-wire and up: 36436 51 Locking, 15 amperes and under...................................... 9 1,480 6,891 1,291 6,174 36436 53 Locking, 20 amperes and over....................................... 8 1,287 19,628 1,218 19,606 36436 55 Nonlocking, 15 amperes and under................................... 12 5,487 24,452 5,180 23,517 36436 57 Nonlocking, 20 amperes and over.................................... 9 969 3,131 794 2,827 36436 59 Appliance and special application types, all amperages AND.......... 8 36436 61 Dust and explosion proof, except pin and sleeve AND................. - 36436 63 All other types(excluding pin and sleeve)........................... 2 38,079 42,223 36,889 40,487 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...................................... 10 719 26,892 579 26,981 36436 67 Attachment plug caps............................................... 9 376 24,650 394 24,940 36436 69 Connector bodies................................................... 8 384 20,292 360 18,765 Pin and sleeve, dust and explosion proof (120 volts and over, 20 amperes and over): 36436 71 Convenience and power outlets AND.................................. 3 36436 73 Attachment plug caps AND........................................... 2 36436 75 Connector bodies AND............................................... 2 36436 77 Pin and sleeve, less than 120 volts, less than 20 amperes, all types except electronic.................................................. 3 356 10,533 435 11,628 36436 79 Fluorescent starters................................................. 5 9,349 2,778 9,324 2,596 36436 81 Terminal blocks...................................................... 20 90,375 77,174 80,185 75,988 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) 31,061 (X) 56,746 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) 98,783 (X) 86,074 36436 87 Choke coils and all other protective devices AND..................... 4 36436 89 Rail bonds for both propulsion and signal circuits AND............... 3 36436 91 Lightning rods AND................................................... 10 36436 92 Overhead trolley line material, except pole and transmission line construction materials and expansion plugs for roof bolting in mines 3 (X) 41,922 (X) 38,934 36436 94 Electric harnesses and assemblies, excluding engine harnesses (from purchased wire)..................................................... 9 (X) 49,174 (X) r/45,259 36436 98 All other wiring devices with integral ground fault circuit interrupting capabilities, excluding circuit breakers............... 6 17,300 10,651 14,618 7,850 36436 99 Miscellaneous, including but not limited to combination devices, adaptors, current taps, surface extensions, and rosettes............ 40 (X) 252,196 (X) 233,051 3644- -- Noncurrent-carrying wiring devices..................................... (X) (X) 3,104,613 (X) 2,930,289 36441 -- Pole and transmission line hardware................................... 36 (X) 515,508 (X) 493,621 36441 12 Pole and transmission line construction materials, also known as overhead and underground line hardware for electric transmission, distribution, and communication lines............................... 28 (X) 424,940 (X) 395,661 36441 13 Pole and transmission line anchors................................... 6 (X) 15,336 (X) 16,264 36441 14 Pole and transmission line construction materials, manufactured to specification, where such materials are not otherwise commercially available AND....................................................... 5 (X) (D) (X) (D) 36441 51 Suspension hardware for high voltage insulators, including clamps and fittings, strain yokes and fittings................................. 5 (X) (D) (X) (D) 36442 -- Electrical conduit and conduit fittings............................... 83 (X) 1,547,552 (X) 1,496,545 Rigid conduit, excluding couplings, nipples, bends, and elbows: Steel (short tons): 36442 21 Standard weights (short tons)...................................... 8 a/238,832 a/214,043 230,214 206,375 36442 22 Intermediate (short tons) AND...................................... 3 36442 25 Aluminum (short tons) AND........................................... 3 36442 26 Other metal conduit (short tons).................................... - 115,487 46,563 90,951 46,107 36442 24 Nonmetallic conduit (1,000 lbs.).................................... 8 525,945 221,331 r/539,278 r/227,675 36442 27 Electrical metallic tubing (short tons).............................. 6 327,957 244,613 310,066 223,937 36442 33 Flexible steel and aluminum conduit (1,000 feet)..................... 8 144,219 48,324 207,089 53,518 36442 32 Flexible nonmetallic conduit (1,000 pounds).......................... 12 73,625 43,508 r/71,818 49,659 Raceways and wire ways, including fittings, metal.................... (X) (X) 254,263 (X) 241,794 36442 34 Surface............................................................. 15 (X) 95,372 (X) r/86,945 36442 37 Underfloor AND...................................................... 2 36442 38 Ventilated cable tray and accessories............................... 4 (X) 56,883 (X) 60,789 36442 51 Cast conduit bodies, covers, and gaskets............................. 11 (X) 102,008 (X) 94,060 Rigid conduit fittings, including couplings, nipples, bends, and elbows.............................................................. (X) (X) 184,883 (X) 179,021 36442 53 Couplings, connectors, and unions................................... 19 (X) 115,918 (X) 110,241 36442 54 Locknuts and bushings............................................... 9 (X) 22,310 (X) 20,510 36442 59 All other rigid conduit fittings.................................... 7 36442 52 Nonmetallic conduit fittings........................................ 12 (X) 46,655 (X) 48,270 EMT fittings (couplings and connectors).............................. (X) (X) 83,932 (X) 76,368 36442 56 Gland type.......................................................... 15 (X) 36,116 (X) 31,416 36442 57 Set-screw type...................................................... 12 (X) 33,103 (X) 31,873 36442 58 All others.......................................................... 9 (X) a/2,263 (X) a/2,340 36442 44 Service entrance caps, ells, and connectors.......................... 13 (X) 12,450 (X) 10,739 Cable, cord, and flexible conduit fittings........................... (X) (X) 169,802 (X) 156,351 36442 71 Armored cable, metallic sheathed cable, and flexible conduit fitting 14 (X) 64,655 (X) 61,748 36442 77 Liquid-tight flexible conduit fittings.............................. 12 (X) 62,837 (X) 56,942 36442 72 Nonmetallic sheathed cable and cord fittings........................ 16 (X) 42,310 (X) 37,661 36442 46 Other electric conduit fittings...................................... 20 (X) 36,290 (X) 35,740 36443 -- Other noncurrent-carrying wiring devices and supplies................. 80 (X) 1,041,553 (X) 940,143 Stamped metal boxes, covers, and accessories, including stamped conduit boxes....................................................... (X) (X) 468,000 (X) 395,572 36443 31 Switch and receptacle boxes......................................... 14 (X) 274,145 (X) 245,564 36443 32 Outlet boxes........................................................ 12 (X) 104,673 (X) 80,264 36443 33 Covers.............................................................. 14 (X) 57,397 (X) 45,664 36443 34 Supports, bar hangers, and other accessories........................ 15 (X) 31,785 (X) 24,080 Cast metal boxes, covers, gaskets, and accessories................... (X) (X) 138,355 (X) 134,048 36443 41 FS and FD switch and receptacle type................................ 12 (X) 30,580 (X) 30,667 36443 42 Outlet type......................................................... 7 (X) 35,689 (X) 34,540 36443 43 Junction type....................................................... 19 (X) 72,086 (X) 68,841 Switch, outlet, FM/TV, and telephone wall plates..................... (X) (X) 184,253 (X) 163,285 36443 35 Metallic............................................................ 8 44,549 26,970 41,694 25,466 36443 36 Nonmetallic......................................................... 10 358,985 80,468 328,653 70,984 36443 37 Plastic boxes and covers............................................. 16 (X) 76,815 (X) 66,835 Floor boxes and covers............................................... (X) (X) 250,945 (X) 247,238 36443 39 Metallic AND........................................................ 8 36443 40 Non-metallic........................................................ 4 (X) 36,125 (X) 30,979 36443 48 Other noncurrent carrying wiring devices and supplies................ 36 (X) 214,820 (X) 216,259 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. - Represents zero. (D) Data withheld to avoid disclosing figures for individual companies. n.e.c. Not elsewhere classified. r/Revised by 5 percent or more from previosly published figures. (X) Not applicable. 1/Quantities for product codes beginning with 36434 and 36435 are published in millions of units rather than thousands of units. Table 3. VALUE OF SHIPMENTS, EXPORTS, AND IMPORTS OF SELECTED WIRING DEVICES: 1992 AND 1991 (Millions of dollars) Exports of domestic merchandise 1/ Manu- facturers' Percent Percent shipments Estimated exports to Imports for Apparent imports to Product f.o.b. producers' manufacturers' con- con- apparent description plant 1/ At port 2/ value 3/ shipments sumption 1 4/ sumption 5/ consumption 1992 Lampholders.... 204.5 10.4 8.9 5 62.7 256.8 24 Metal contacts. 290.5 22.7 19.3 8 22.7 290.5 8 1991 Lampholders.... 214.7 6.9 5.9 3 53.2 261.0 20 Metal contacts. 332.3 24.5 20.9 7 18.6 326.4 6 1/For comparison of SIC codes with Schedule B export numbers and HTUSA import numbers, see table 5. 2/Source: Bureau of the Census report EM 545, U.S. Exports. 3/These values were derived by use of adjustment factors to exclude freight, insurance, and other charges incurred in moving goods to the port of export. This adjustment is made to convert the values to an approximation of the producers'value of exported goods. Current adjustment factors are based on data for 1989 which are published in Exports from Manufacturing Establishments, AR89-1, appendix B. The adjustment factor for this report is 0.8512. 4/Source: Bureau of the Census report IM 145, U.S. Imports for Consumption. 5/Apparent consumption is derived by subtracting exports from the sum of manufacturers' shipments and imports. Table 4. COMPARISON OF STANDARD INDUSTRIAL CLASSIFICATION-BASED PRODUCT CODES WITH SCHEDULE B EXPORT NUMBERS, AND HTUSA IMPORT NUMBERS: 1992 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 8538.90.0040 36433 60 36433 63 36433 64 36433 65 36433 66 Switches, other than dimmers.............*8536.50.0060 8536.50.0060 36433 67 *8535.30.0040 8535.30.0040 36433 68 36433 70 36433 71 36433 72 36433 76 36433 77 36433 93 36433 94 Switches, dimmers........................*8533.39.0040 8533.39.0040 36433 95 36435 00 Wire connectors..........................*8536.69.0060 8536.69.0060 *8547.90.0020 8547.90.0020 36442 00 Conduit fittings.........................*8547.90.0030 8547.90.0030 *8547.90.0040 8547.90.0040 * This code is partially correlated with the products described. 1/Source: 1992 edition, 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 (1992). Switch, outlet, FM/TV, and telephone wall plates..................... (X)