| Baby Spot Light | 643 |
| Back Braces | 1404 |
| B. & D. Wire Cleats | 1337 |
| Bags, Carbon | 1467 |
| Bags, Tool | 1464 |
| Ball Fittings | 802 |
| Bands, Ceiling | 762 |
| Bands, Pole | 1394 |
| Bands, Porch | 761 |
| Banner Core Rope | 785 |
| Bar and Wire Solder | 805 |
| Bars, Crow | 1437 |
| Bars, Digging | 1437 |
| Bars, Tamping | 1437 |
| Base Board Receptacles | 1007 |
| Base Couplings | 1072 |
| Bases, Canopy | 1080 |
| Bases, Snap Switch | 1080 |
| Bases, Switch, P & S | 973 |
| Batteries, Blue Bell | 396 |
| Batteries, Carbon | 433 |
| Batteries, Columbia | 397 |
| Batteries, Dry | 396 |
| Batteries, Eveready | 557 |
| Batteries, Gonda | 433 |
| Batteries, Gravity | 433 |
| Batteries, Hot Shot | 399 |
| Batteries, Hyray Exide | 242 |
| Batteries, Ignition | 357 |
| Batteries, Lighting | 358 |
| Batteries, Medical | 544 |
| Batteries, Miscellaneous | 398 |
| Batteries, Multiple | 400 |
| Batteries, Primary | 424 |
| Batteries, Samson | 432 |
| Batteries, Storage, Portable | 244 |
| Batteries, Testing | 316 |
| Battery Accessories, Medical | 546 |
| Battery Boxes | 393 |
| Battery Charging Outfits | 359 |
| Battery Connectors | 435 |
| Battery Coppers | 434 |
| Battery Renewals | 424 |
| Battery Sets | 401 |
| Battery Switches | 385 |
| Battery Syringes | 437 |
| Battery Testers | 289 |
| Battery Zincs | 434 |
| Bayonets | 1381 |
| Bayonet Sockets | 839 |
| Bead Strips, Soft Rubber | 366 |
| Beam Strap | 1145 |
| Bell Cord | 1316 |
| Bellows, Hand | 1495 |
| Bells | 70, 481, 497 |
| Bells, Extension | 99 |
| Bells, Faraday | 497 |
| Bells, Iron Box | 480 |
| Bells, Monitor | 480 |
| Bells, Recti | 486 |
| Bells, Tower | 462 |
| Bells, Tower Striker | 478 |
| Belts | 1466 |
| Benders, Conduit, Rittenhouse | 1486 |
| Benders, Pipe | 1486 |
| Bends, Fiber Conduit | 1433 |
| Benjamin Lighting Fixtures | 690 |
| Bicycle Lighting Outfits | 393 |
| Bierce Guy Anchors | 1410 |
| Binding Posts | 542 |
| Binding Tapes | 811 |
| Binding Wire | 1319 |
| Bit Braces | 1473 |
| Bit Holders | 1473 |
| Bits, Auger | 1474 |
| Bits, Expansion | 1475 |
| Bits, Gimlet | 1482 |
| Bits, Machine | 1472 |
| Bits, Rapid Fire | 1477 |
| Bits, Wood Drill | 1473 |
| Blades, Hack Saw | 1483 |
| Blake Compressed Cleats | 1147 |
| Blake Insulated Staples | 1147 |
| Blank Covers | 1081 |
| Blasting Caps | 1501 |
| Blasting Machines | 1500 |
| Blocks, Connecting | 802 |
| Blocks, Curve | 1418 |
| Blocks, Fixture | 760 |
| Blocks, Hoist, Yale | 1452 |
| Blocks, Protector | 102 |
| Blocks, Pulley | 1447, 1454 |
| Blocks, Pulley, Laurent Cherry | 1455 |
| Blocks, Pulley, Wood | 1454 |
| Blocks, Self-Locking | 1454 |
| Blow Torches | 1488, 1491 |
| Blue Bell Dry Batteries | 396 |
| Blue Vitriol | 434 |
| Be Arrow Arms | 1381 |
| Bolt and Wire Cutters | 1483 |
| Boltless Guy Clamps | 1411, 1416 |
| Boltless Sling Clamps | 1411 |
| Bolts, Brace | 1420 |
| Bolts, Carriage | 1420 |
| Bolts, Clamp | 1417 |
| Bolts, Cross Arms | 1420 |
| Bolts, Double Arming | 1419 |
| Bolts, Expansion | 1422 |
| Bolts, Eye | 1412 |
| Bolts, Machine | 1420 |
| Bolts, Ring | 1429 |
| Bolts, Spacing | 1419 |
| Bolts, Toggle | 1426 |
| |
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| Bolts, "U" | 1417 |
| Bond Tester, Portable | 321 |
| Booths, Telephone | 93 |
| Boots, Rubber | 1463 |
| Border Light Cable | 1314 |
| Boring Machines | 1472 |
| Boston Cable Clips | 1427 |
| Box Connectors | 368, 1086, 1100 |
| Box Connectors, Flexsteel | 1086 |
| Box Contacts | 477 |
| Box Cover Receptacles | 1077 |
| Boxes and Covers, Floor | 1130 |
| Boxes, Autoflex Junction | 368 |
| Boxes, Coil | 70 |
| Boxes, Condenser | 70 |
| Boxes, Corner | 1078 |
| Boxes, Desk Set | 98 |
| Boxes, Fire Alarm | 462 |
| Boxes, Floor | 1131, 1135 |
| Boxes, Gang | 1117 |
| Boxes, Junction | 1079, 1108, 1518, 1124, 1434 |
| Boxes, Outlet | 1079, 1105, 1114, 1118 |
| Boxes, Relay | 70 |
| Boxes, Security Steel | 1128 |
| Boxes, Steel, Catter | 1126 |
| Boxes, Switch | 1053, 1119 |
| Boxes, Fire | 474 |
| Brace Bolts | 1420 |
| Braces, Alley Arm | 1403 |
| Braces, Back | 1404 |
| Braces, Bit | 1473 |
| Braces, Crossarms | 1404 |
| Braces, Push | 1475 |
| Bracket Parts | 778 |
| Bracket Plates | 764 |
| Bracket Rosettes, Thomas | 860 |
| Brackets, Ceilihg | 1399 |
| Brackets, Corner | 1395 |
| Brackets, Crossarm | 1388, 1391 |
| Brackets, Cutter | 770, 778 |
| Brackets, Drive | 1395 |
| Brackets, Duplex | 1387 |
| Brackets, Entrance | 797 |
| Brackets, Foot | 1390 |
| Brackets, Hi-Tension | 1379 |
| Brackets, Insulator, Ajax | 1402 |
| Brackets, Iron | 1397 |
| Brackets, Junior | 797 |
| Brackets, Ornamental | 794 |
| Brackets, Pendent | 1398 |
| Brackets, Pole | 1392 |
| Brackets, Spreader | 1391 |
| Brackets, Standard | 797 |
| Brackets, Street Fixture | 801 |
| Brackets, Switchboard | 763 |
| Brackets, Telephone | 103 |
| Brackets, Transposition | 1393 |
| Brackets, Wall | 675, 797, 1389 |
| Brackets, Wall, Faries | 675 |
| Brackets, Wood | 1387 |
| Bracket Tubes | 763 |
| Brascolites | 676 |
| Brass Cleats | 1140 |
| Brass Connectors, Insulated | 1103 |
| Brass Flex, Auto | 1091 |
| Brass Nipples | 765 |
| Brass Terminal Bushings | 1101 |
| Brass Tubing | 671 |
| Brass Wire | 1320 |
| Break Arms | 1391, 1401 |
| Breast Drills, Yankee | 1476 |
| Brewery Cord | 1315 |
| Bridges, Receptacle | 846 |
| Bridle Rings | 1429 |
| Broilers, Hughes | 623 |
| Bryant & Perkins Sockets | 844 |
| Bryant Bulls-eye Combination | 877 |
| Bryant Flush Receptacles | 871 |
| Bryant Plugs | 866 |
| Bryant Receptacles | 826, 850, 858, 866, 871 |
| Bryant Rosettes, Porcelain | 859, 861 |
| Bryant Sockets | 826, 837, 854, 857 |
| Bryant Switches | 837 |
| Bryant Wall Sockets | 840 |
| Buffalo Grips | 1449 |
| Buffalo Lineman's Tool | 1449 |
| Buffer, Electric | 128 |
| Buffing Outfits | 131 |
| Burglar Alarm Accessories | 472 |
| Burglar Alarm Apparatus | 469 |
| Burglar Alarm Springs | 473 |
| Bus Bar Connectors | 1041 |
| Bushing Adapters, Conduit | 1145 |
| Bushing Connectors, Jiffy | 1144 |
| Bushings, Armored Conductor | 1142 |
| Bushings, Armored Flexible Conduit | 1142 |
| Bushings, Clamp | 1078, 1334 |
| Bushings, Elbow | 1334 |
| Bushings, Electrose | 1362 |
| Bushings, Fixture | 765 |
| Bushings, Lead | 1101 |
| Bushings, Locking | 1362 |
| Bushings, Porcelain | 1138, 1336 |
| Bushings, Porcelain Lined | 1141 |
| Bushings, Socket | 933 |
| Bushings, Stuffing | 1103 |
| Bushings, Terminal, Brass | 1101 |
| Bushings, Universal | 1144 |
| Buttons, Ceiling | 958 |
| Buttons, Push | 514 |
| Butt Plates | 1405 |
| Buzzers | 480, 491, 495 |
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