SEG

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Title

[30] Structures, Building, Construction and Manufacturing Components and Supplies
 -family-[3010] Structural materials: basic shapes
    -class-[301015] Angles
       -commodity-[30101501] Ferrous alloy angles
       -commodity-[30101502] Non-ferrous alloy angles
       -commodity-[30101503] Iron angles
       -commodity-[30101504] Steel angles
       -commodity-[30101505] Stainless steel angles
       -commodity-[30101506] Aluminum angles
       -commodity-[30101507] Magnesium angles
       -commodity-[30101508] Titanium angles
       -commodity-[30101509] Copper angles
       -commodity-[30101510] Brass angles
       -commodity-[30101511] Bronze angles
       -commodity-[30101512] Zinc angles
       -commodity-[30101513] Tin angles
       -commodity-[30101514] Lead angles
       -commodity-[30101515] Plastic angles
       -commodity-[30101516] Rubber angles
       -commodity-[30101517] Precious metal angles
    -class-[301016] Bar
       -commodity-[30101601] Ferrous alloy bars
       -commodity-[30101602] Non-ferrous alloy bars
       -commodity-[30101603] Iron bars
       -commodity-[30101604] Steel bars
       -commodity-[30101605] Stainless steel bars
       -commodity-[30101606] Aluminum bars
       -commodity-[30101607] Magnesium bars
       -commodity-[30101608] Titanium bars
       -commodity-[30101609] Copper bars
       -commodity-[30101610] Brass bars
       -commodity-[30101611] Bronze bars
       -commodity-[30101612] Zinc bars
       -commodity-[30101613] Tin bars
       -commodity-[30101614] Lead bars
       -commodity-[30101615] Plastic bars
       -commodity-[30101616] Precious metal bars
    -class-[301017] Beams
       -commodity-[30101701] Ferrous alloy beams
       -commodity-[30101702] Non-ferrous alloy beams
       -commodity-[30101703] Iron beams
       -commodity-[30101704] Steel beams
       -commodity-[30101705] Stainless steel beams
       -commodity-[30101706] Aluminum beams
       -commodity-[30101707] Magnesium beams
       -commodity-[30101708] Titanium beams
       -commodity-[30101709] Copper beams
       -commodity-[30101710] Brass beams
       -commodity-[30101711] Bronze beams
       -commodity-[30101712] Zinc beams
       -commodity-[30101713] Tin beams
       -commodity-[30101714] Lead beams
       -commodity-[30101715] Plastic beams
       -commodity-[30101716] Rubber beams
       -commodity-[30101717] Concrete beams
       -commodity-[30101718] Precious metal beams
    -class-[301018] Channels
       -commodity-[30101801] Ferrous alloy channels
       -commodity-[30101802] Non-ferrous alloy channels
       -commodity-[30101803] Iron channels
       -commodity-[30101804] Steel channels
       -commodity-[30101805] Stainless steel channels
       -commodity-[30101806] Aluminum channels
       -commodity-[30101807] Magnesium channels
       -commodity-[30101808] Titanium channnels
       -commodity-[30101809] Copper channels
       -commodity-[30101810] Brass channels
       -commodity-[30101811] Bronze channels
       -commodity-[30101812] Zinc channels
       -commodity-[30101813] Tin channels
       -commodity-[30101814] Lead channels
       -commodity-[30101815] Plastic channels
       -commodity-[30101816] Rubber channels
       -commodity-[30101817] Precious metal channels
    -class-[301019] Coil
       -commodity-[30101901] Ferrous alloy coil
       -commodity-[30101902] Non-ferrous alloy coil
       -commodity-[30101903] Iron coil
       -commodity-[30101904] Steel coil
       -commodity-[30101905] Stainless steel coil
       -commodity-[30101906] Aluminum coil
       -commodity-[30101907] Magnesium coil
       -commodity-[30101908] Titanium coil
       -commodity-[30101909] Copper coil
       -commodity-[30101910] Brass coil
       -commodity-[30101911] Bronze coil
       -commodity-[30101912] Zinc coil
       -commodity-[30101913] Tin coil
       -commodity-[30101914] Lead coil
       -commodity-[30101915] Plastic coil
       -commodity-[30101916] Precious metal coils
       -commodity-[30101917] Non-metallic coils
    -class-[301020] Foil
       -commodity-[30102001] Ferrous alloy foil
       -commodity-[30102002] Non-ferrous alloy foil
       -commodity-[30102003] Iron foil
       -commodity-[30102004] Steel foil
       -commodity-[30102005] Stainless steel foil
       -commodity-[30102006] Aluminum foil
       -commodity-[30102007] Magnesium foil
       -commodity-[30102008] Titanium foil
       -commodity-[30102009] Copper foil
       -commodity-[30102010] Brass foil
       -commodity-[30102011] Bronze foil
       -commodity-[30102012] Zinc foil
       -commodity-[30102013] Tin foil
       -commodity-[30102014] Lead foil
       -commodity-[30102015] Plastic foil
    -class-[301021] Pipe
       -commodity-[30102101] Ferrous alloy pipe
       -commodity-[30102102] Non-ferrous alloy pipe
       -commodity-[30102103] Iron pipe
       -commodity-[30102104] Steel pipe
       -commodity-[30102105] Stainless steel pipe
       -commodity-[30102106] Aluminum pipe
       -commodity-[30102107] Magnesium pipe
       -commodity-[30102108] Titanium pipe
       -commodity-[30102109] Copper pipe
       -commodity-[30102110] Brass pipe
       -commodity-[30102111] Bronze pipe
       -commodity-[30102112] Zinc pipe
       -commodity-[30102113] Tin pipe
       -commodity-[30102114] Lead pipe
       -commodity-[30102115] Plastic pipe
       -commodity-[30102116] Rubber pipe
       -commodity-[30102117] Concrete pipe
    -class-[301022] Plate
       -commodity-[30102201] Ferrous alloy plate
       -commodity-[30102202] Non-ferrous plate
       -commodity-[30102203] Iron plate
       -commodity-[30102204] Steel plate
       -commodity-[30102205] Stainless steel plate
       -commodity-[30102206] Aluminum plate
       -commodity-[30102207] Magnesium plate
       -commodity-[30102208] Titanium plate
       -commodity-[30102209] Copper plate
       -commodity-[30102210] Brass plate
       -commodity-[30102211] Bronze plate
       -commodity-[30102212] Zinc plate
       -commodity-[30102213] Tin plate
       -commodity-[30102214] Lead plate
       -commodity-[30102215] Plastic plate
       -commodity-[30102216] Rubber plate
       -commodity-[30102217] Concrete plate
       -commodity-[30102218] Precious metal plate
       -commodity-[30102219] Non-metallic plates
    -class-[301023] Profiles
       -commodity-[30102301] Ferrous alloy profiles
       -commodity-[30102302] Non-ferrous alloy profiles
       -commodity-[30102303] Iron profiles
       -commodity-[30102304] Steel profiles
       -commodity-[30102305] Stainless steel profiles
       -commodity-[30102306] Aluminum profiles
       -commodity-[30102307] Magnesium profiles
       -commodity-[30102308] Titanium profiles
       -commodity-[30102309] Copper profiles
       -commodity-[30102310] Brass profiles
       -commodity-[30102311] Bronze profiles
       -commodity-[30102312] Zinc profiles
       -commodity-[30102313] Tin profiles
       -commodity-[30102314] Lead profiles
       -commodity-[30102315] Plastic profiles
       -commodity-[30102316] Rubber profiles
    -class-[301024] Rod
       -commodity-[30102401] Ferrous alloy rods
       -commodity-[30102402] Non-ferrous alloy rods
       -commodity-[30102403] Iron rods
       -commodity-[30102404] Steel rods
       -commodity-[30102405] Stainless steel rods
       -commodity-[30102406] Aluminum rods
       -commodity-[30102407] Magnesium rods
       -commodity-[30102408] Titanium rods
       -commodity-[30102409] Copper rods
       -commodity-[30102410] Brass rods
       -commodity-[30102411] Bronze rods
       -commodity-[30102412] Zinc rods
       -commodity-[30102413] Tin rods
       -commodity-[30102414] Lead rods
       -commodity-[30102415] Plastic rods
       -commodity-[30102416] Rubber rods
    -class-[301025] Sheet
       -commodity-[30102501] Ferrous alloy sheet
       -commodity-[30102502] Non-ferrous alloy sheet
       -commodity-[30102503] Iron sheet
       -commodity-[30102504] Steel sheet
       -commodity-[30102505] Stainless steel sheet
       -commodity-[30102506] Aluminum sheet
       -commodity-[30102507] Magnesium sheet
       -commodity-[30102508] Titanium sheet
       -commodity-[30102509] Copper sheet
       -commodity-[30102510] Brass sheet
       -commodity-[30102511] Bronze sheet
       -commodity-[30102512] Zinc sheet
       -commodity-[30102513] Tin sheet
       -commodity-[30102514] Lead sheet
       -commodity-[30102515] Plastic sheet
       -commodity-[30102516] Rubber sheet
       -commodity-[30102517] Armor sheet
       -commodity-[30102518] Beryllium alloy sheet
       -commodity-[30102519] Composite metal sheet
       -commodity-[30102520] Nickel sheet
    -class-[301026] Strip
       -commodity-[30102601] Ferrous alloy strip
       -commodity-[30102602] Non-ferrous alloy strip
       -commodity-[30102603] Iron strip
       -commodity-[30102604] Steel strip
       -commodity-[30102605] Stainless steel strip
       -commodity-[30102606] Aluminum strip
       -commodity-[30102607] Magnesium strip
       -commodity-[30102608] Titanium strip
       -commodity-[30102609] Copper strip
       -commodity-[30102610] Brass strip
       -commodity-[30102611] Bronze strip
       -commodity-[30102612] Zinc strip
       -commodity-[30102613] Tin strip
       -commodity-[30102614] Lead strip
       -commodity-[30102615] Plastic strip
       -commodity-[30102616] Rubber strip
    -class-[301028] Piling
       -commodity-[30102801] Aluminum pilings
       -commodity-[30102802] Concrete pilings
       -commodity-[30102803] Steel pilings
    -class-[301029] Post
       -commodity-[30102901] Cement or concrete posts
       -commodity-[30102903] Metal posts
    -class-[301030] Shafting
       -commodity-[30103001] Steel shafting
       -commodity-[30103002] Stainless steel shafting
    -class-[301031] Rails
       -commodity-[30103101] Steel rail
       -commodity-[30103102] Aluminum rail
       -commodity-[30103103] Metal rail
    -class-[301032] Grating
       -commodity-[30103201] Steel grating
       -commodity-[30103202] Stainless steel grating
       -commodity-[30103203] Aluminum grating
       -commodity-[30103204] Fiberglass grating
       -commodity-[30103205] Iron grating
    -class-[301033] Billets
       -commodity-[30103301] Aluminum billet
       -commodity-[30103302] Brass billet
       -commodity-[30103303] Bronze billets
       -commodity-[30103304] Copper billets
       -commodity-[30103305] Lead billets
       -commodity-[30103306] Zinc billets
       -commodity-[30103307] Steel billets
       -commodity-[30103308] Titanium billets
       -commodity-[30103309] Magnesium billets
       -commodity-[30103310] Precious metal billets
       -commodity-[30103311] Non-ferrous metal billets
       -commodity-[30103312] Ferrous metal billets
       -commodity-[30103313] Non-metallic billets
    -class-[301034] Ingots
       -commodity-[30103401] Aluminum ingots
       -commodity-[30103402] Brass ingots
       -commodity-[30103403] Lead ingots
       -commodity-[30103404] Zinc ingots
       -commodity-[30103405] Steel ingots
       -commodity-[30103406] Magnesium ingots
       -commodity-[30103407] Bronze ingots
       -commodity-[30103408] Copper ingots
       -commodity-[30103409] Titanium ingots
       -commodity-[30103410] Precious metal ingots
       -commodity-[30103411] Ferrous alloy extrusion ingots
       -commodity-[30103412] Non-ferrous alloy extrusion ingots
       -commodity-[30103413] Non metallic ingots
    -class-[301035] Honeycomb core
       -commodity-[30103501] Aluminum honeycomb core
       -commodity-[30103502] Magnesium honeycomb core
       -commodity-[30103503] Foam honeycomb core
       -commodity-[30103504] Plastic honeycomb core
       -commodity-[30103505] Wooden honeycomb core
       -commodity-[30103506] Ferrous metal honeycomb core
       -commodity-[30103507] Bronze honeycomb core
       -commodity-[30103508] Copper honeycomb core
       -commodity-[30103509] Steel honeycomb core
       -commodity-[30103510] Lead honeycomb core
       -commodity-[30103511] Zinc honeycomb core
       -commodity-[30103512] Titanium honeycomb core
       -commodity-[30103513] Brass honeycomb core
       -commodity-[30103514] Non ferrous metal honeycomb core
       -commodity-[30103515] Precious metal honeycomb core
    -class-[301036] Structural products
       -commodity-[30103601] Wood beams
       -commodity-[30103602] Wood composite beams
       -commodity-[30103603] Framing lumber
       -commodity-[30103604] Wood sheathing or sheets
       -commodity-[30103605] Wood planks
       -commodity-[30103606] Wood trusses
       -commodity-[30103607] Wood joists
 -family-[3011] Concrete, cement and plaster
    -class-[301115] Concrete and mortars
       -commodity-[30111501] Foamed concrete
       -commodity-[30111502] Conductive concrete
       -commodity-[30111503] Insulating concrete
       -commodity-[30111504] Mortars
    -class-[301116] Cement and lime
       -commodity-[30111601] Cement
       -commodity-[30111602] Chlorinated lime
       -commodity-[30111603] Hydraulic lime
       -commodity-[30111604] Hydrated lime
       -commodity-[30111605] Lean lime
    -class-[301117] Plasters
       -commodity-[30111701] Gypsum plaster
 -family-[3012] Roads and landscape
    -class-[301215] Bituminous derivatives
       -commodity-[30121501] Coal tar
       -commodity-[30121502] Tars
       -commodity-[30121503] Cresote
    -class-[301216] Asphalts
       -commodity-[30121601] Asphalt
       -commodity-[30121602] Pitch
       -commodity-[30121603] Gilsonite
       -commodity-[30121604] Cutback products
 -family-[3013] Structural building products
    -class-[301315] Blocks
       -commodity-[30131501] Cement blocks
       -commodity-[30131502] Concrete blocks
       -commodity-[30131503] Stone blocks
       -commodity-[30131504] Ceramic blocks
    -class-[301316] Bricks
       -commodity-[30131601] Cement bricks
       -commodity-[30131602] Ceramic bricks
       -commodity-[30131603] Concrete bricks
       -commodity-[30131604] Stone bricks
    -class-[301317] Tiles and flagstones
       -commodity-[30131701] Cement tiles or flagstones
       -commodity-[30131702] Stone tiles or flagstones
       -commodity-[30131703] Concrete tiles or flagstones
       -commodity-[30131704] Ceramic tiles or flagstones
 -family-[3014] Insulation
    -class-[301415] Thermal insulation
       -commodity-[30141501] Weather stripping
       -commodity-[30141502] Insulation blankets
       -commodity-[30141503] Foam insulation
       -commodity-[30141504] Insulation batts
       -commodity-[30141505] Thermal insulation sleeving
       -commodity-[30141506] Loose-fill insulation
       -commodity-[30141507] Rigid board insulation
       -commodity-[30141508] Fiber insulation
    -class-[301416] Specialty insulation
       -commodity-[30141601] Acoustical insulation
       -commodity-[30141602] Non-thermal insulation sleeving
 -family-[3015] Exterior finishing materials
    -class-[301515] Roofing materials
       -commodity-[30151501] Roll roofing
       -commodity-[30151502] Roof valleys
       -commodity-[30151503] Roofing fabrics
       -commodity-[30151504] Roofing felts
       -commodity-[30151505] Roofing membranes
       -commodity-[30151506] Roofing tiles
       -commodity-[30151507] Shakes
       -commodity-[30151508] Shingles
       -commodity-[30151509] Trusses
       -commodity-[30151510] Slate roofing
    -class-[301516] Roofing accessories
       -commodity-[30151601] Fascia
       -commodity-[30151602] Flashings
       -commodity-[30151603] Gravel stops
       -commodity-[30151604] Roofing brushes
       -commodity-[30151605] Roofing drains
       -commodity-[30151606] Roofing mops
       -commodity-[30151607] Roofing vents
       -commodity-[30151608] Soffits
    -class-[301517] Rain gutters and accessories
       -commodity-[30151701] Downspouts
       -commodity-[30151702] Drip caps
       -commodity-[30151703] Gutters
       -commodity-[30151704] Splashblocks
    -class-[301518] Siding and exterior wall materials
       -commodity-[30151801] Shutters
       -commodity-[30151802] Siding
       -commodity-[30151803] Siding butt joints
       -commodity-[30151804] Siding corners
       -commodity-[30151805] Stucco
    -class-[301519] Finishing materials and products
       -commodity-[30151901] Awnings
       -commodity-[30151902] Exterior trim materials
 -family-[3016] Interior finishing materials
    -class-[301615] Wall finishing materials
       -commodity-[30161501] Wallboard
       -commodity-[30161502] Wallpapers
       -commodity-[30161503] Drywall
       -commodity-[30161504] Corner guards
       -commodity-[30161505] Panels or panelling
    -class-[301616] Ceiling materials
       -commodity-[30161601] Acoustic ceiling tiles
       -commodity-[30161602] Ceiling panels
       -commodity-[30161603] Coffers
       -commodity-[30161604] Suspended ceiling systems
    -class-[301617] Flooring
       -commodity-[30161701] Carpeting
       -commodity-[30161702] Wood flooring
       -commodity-[30161703] Linoleum
       -commodity-[30161705] Rubber flooring
       -commodity-[30161706] Stone or tile flooring
       -commodity-[30161707] Vinyl flooring
       -commodity-[30161708] Knotted carpeting
       -commodity-[30161709] Tufted carpeting
       -commodity-[30161710] Laminate flooring
       -commodity-[30161711] Outdoor carpeting
       -commodity-[30161712] Flooring joists
       -commodity-[30161713] Carpet pads
    -class-[301618] Cabinetry
       -commodity-[30161801] Cabinets
       -commodity-[30161802] Countertops
    -class-[301619] Molding and millwork
       -commodity-[30161901] Louvers
       -commodity-[30161902] Columns
       -commodity-[30161903] Wainscoting
       -commodity-[30161904] Cornices
       -commodity-[30161905] Door surrounds
       -commodity-[30161906] Molding
       -commodity-[30161907] Stairs
       -commodity-[30161908] Stair parts
 -family-[3017] Doors, windows and glass
    -class-[301715] Doors
       -commodity-[30171501] Glass doors
       -commodity-[30171502] Screen doors
       -commodity-[30171503] Rolling doors
       -commodity-[30171504] Wooden doors
       -commodity-[30171505] Metal doors
       -commodity-[30171506] Storm doors
       -commodity-[30171507] Door frames
       -commodity-[30171508] Pocket doors
    -class-[301716] Windows
       -commodity-[30171604] Double-hung windows
       -commodity-[30171605] Single-hung windows
       -commodity-[30171606] Casement windows
       -commodity-[30171607] Horizontal slider windows
       -commodity-[30171608] Tilt or transom windows
       -commodity-[30171609] Fixed windows
       -commodity-[30171610] Bay windows
       -commodity-[30171611] Bow windows
       -commodity-[30171612] Projected windows
       -commodity-[30171613] Window walls
    -class-[301717] Glass products
       -commodity-[30171701] Paving blocks
       -commodity-[30171703] Beveled glass
       -commodity-[30171704] Leaded glass
       -commodity-[30171705] Laminated glass
       -commodity-[30171706] Tempered glass
       -commodity-[30171707] Safety glass
       -commodity-[30171708] Float glass
       -commodity-[30171709] Wired glass
    -class-[301718] Skylights
       -commodity-[30171801] Fixed skylights
       -commodity-[30171802] Vented skylights
       -commodity-[30171803] Tube skylights
    -class-[301719] Window frames
       -commodity-[30171901] Double-hung window frames
       -commodity-[30171902] Single-hung window frames
       -commodity-[30171903] Casement window frames
       -commodity-[30171904] Horizontal slider window frames
       -commodity-[30171905] Tilt or transom window frames
       -commodity-[30171906] Fixed window frames
 -family-[3018] Plumbing fixtures
    -class-[301815] Sanitary ware
       -commodity-[30181501] Bathtubs
       -commodity-[30181502] Bidets
       -commodity-[30181503] Showers
       -commodity-[30181504] Sinks
       -commodity-[30181505] Toilets
       -commodity-[30181506] Urinals
       -commodity-[30181507] Bathtub or shower enclosures
 -family-[3019] Construction and Maintenance support equipment
    -class-[301915] Ladders and scaffolding
       -commodity-[30191501] Ladders
       -commodity-[30191502] Scaffolding
 -family-[3020] Prefabricated structures
    -class-[302015] Prefabricated farm structures
       -commodity-[30201501] Silos
       -commodity-[30201502] Greenhouses
    -class-[302016] Prefabricated residential structures
       -commodity-[30201601] Houses
       -commodity-[30201602] Mobile homes
       -commodity-[30201603] Cabins
    -class-[302017] Prefabricated commercial and industrial structures
       -commodity-[30201701] In-plant offices
       -commodity-[30201702] Spray booths
       -commodity-[30201703] Storage sheds
       -commodity-[30201704] Clean rooms
       -commodity-[30201705] Guardhouses
       -commodity-[30201706] Portable toilettes
       -commodity-[30201707] Warehouses
    -class-[302018] Prefabricated emergency relief structures
       -commodity-[30201801] Shelters
       -commodity-[30201802] Emergency tent halls
       -commodity-[30201803] Container units
    -class-[302019] Prefabricated medical structures
       -commodity-[30201901] Medical units
       -commodity-[30201902] Laboratory units
       -commodity-[30201903] Dental units
       -commodity-[30201904] Surgical units
 -family-[3021] Electrical components and supplies
    -class-[302115] Power conversion
       -commodity-[30211501] Transformers
       -commodity-[30211502] Power supply units
       -commodity-[30211503] Power distribution units (PDU's)
       -commodity-[30211504] Power adapters or inverters
       -commodity-[30211505] Frequency converters
       -commodity-[30211506] Signal converters
       -commodity-[30211507] Transducers
       -commodity-[30211508] Regulators
       -commodity-[30211509] Magnetic coils
    -class-[302116] Conduits and raceways
       -commodity-[30211702] Electrical box covers
       -commodity-[30211703] Weatherproof boxes
       -commodity-[30211704] Switch boxes
       -commodity-[30211705] Floor boxes
       -commodity-[30211706] Outlet boxes
       -commodity-[30211707] Specialty electrical boxes
       -commodity-[30211708] Utility boxes
       -commodity-[30211709] Electrical fittings
    -class-[302117] Electrical boxes and fittings
       -commodity-[30211710] Electrical bushings
    -class-[302118] Lugs, connectors, and terminals
       -commodity-[30211801] Electrical terminals
       -commodity-[30211802] Electrical plugs
       -commodity-[30211803] Twist lock plugs
       -commodity-[30211804] Electrical sleeves
       -commodity-[30211805] Cable or wire lugs
       -commodity-[30211806] Electrical receptacles
       -commodity-[30211807] Terminal strips
       -commodity-[30211808] Mechanical connectors
       -commodity-[30211809] Ring or flag terminals
       -commodity-[30211810] Wire connectors
       -commodity-[30211811] Terminal blocks
       -commodity-[30211812] Fuse blocks
       -commodity-[30211813] Backshell connectors
       -commodity-[30211814] Circular connectors
       -commodity-[30211815] Coaxial connectors
       -commodity-[30211816] Flat connectors
       -commodity-[30211817] Electronic connector caps
       -commodity-[30211818] Radio frequency (RF) connectors
       -commodity-[30211819] Electrical metallic tubing (EMT) connectors
       -commodity-[30211822] Flex connectors
       -commodity-[30211823] Liquid tight connectors
       -commodity-[30211824] Connector assemblies
       -commodity-[30211825] Mechanical couplings
       -commodity-[30211826] Spring jaw connectors
    -class-[302119] Switches, controls, and relays
       -commodity-[30211901] Safety switches
       -commodity-[30211902] Dimmer switches
       -commodity-[30211903] Drum switches
       -commodity-[30211904] Time switches
       -commodity-[30211905] Snap switches
       -commodity-[30211907] Pressure switches
       -commodity-[30211908] Toggle switches
       -commodity-[30211909] Slide switches
       -commodity-[30211910] Limit switches
       -commodity-[30211911] Controller switches
       -commodity-[30211912] Variable switches
       -commodity-[30211913] Push-button switches
       -commodity-[30211914] Rotary switches
       -commodity-[30211915] Power relays
       -commodity-[30211916] General purpose relays
       -commodity-[30211917] Socket relays
       -commodity-[30211918] Alternating voltage relays
       -commodity-[30211919] Mercury relays
       -commodity-[30211920] Time relays
       -commodity-[30211921] Overload relays
       -commodity-[30211922] Motor starter controls
       -commodity-[30211923] Electrical contacts
       -commodity-[30211924] Timer controls
       -commodity-[30211925] Photocontrols
       -commodity-[30211926] Non-fusible switches
       -commodity-[30211927] Radio frequency (RF) switches
    -class-[302120] Circuit breakers and fuses
       -commodity-[30212001] Circuit breakers
       -commodity-[30212002] Magnetic circuit breakers
       -commodity-[30212003] Miniature circuit breakers
       -commodity-[30212004] Time delay fuses
       -commodity-[30212005] Plug fuses
       -commodity-[30212006] Cartridge fuses
       -commodity-[30212007] Glass body fuses
       -commodity-[30212008] Class type fuses
       -commodity-[30212009] Midget fuses
    -class-[302121] Electrical hardware and supplies
       -commodity-[30212101] Electrical hangers
       -commodity-[30212102] Cable clips
       -commodity-[30212103] Cable ties
       -commodity-[30212104] Wallplates
       -commodity-[30212106] Cable clamps
       -commodity-[30212107] Transformer bushings