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Not only did Hemingray differentiate between their different insulator styles by using style numbers, but several Hemingray styles were also grouped into series as well:

510 Series (8 styles)

CD 233.2
CD 233.2

№ 511
CD 230
CD 230

№ 512
CD 232.2
CD 232.2

№ 513
CD 238
CD 238

№ 514
CD 301.5
CD 301.5

№ 515
UD 3030
UD 3030

№ 517
CD 1052
CD 1052

№ 518
CD 1050
CD 1050

№ 519

600 Series (5 styles)

CD 218
CD 218

№ 660
CD 219
CD 219

№ 660
CD 216
CD 216

№ 661
CD 220
CD 220

№ 670
CD 221
CD 221

№ 680

800 Series (5 styles)

CD 231
CD 231

№ 820
CD 231.2
CD 231.2

№ 820
CD 238.6
CD 238.6

№ 830
CD 239
CD 239

№ 830
CD 239.2
CD 239.2

№ 850-1

Cable Series (6 styles)

CD 251
CD 251

№ 1 Cable
CD 252
CD 252

№ 2 Cable
CD 254
CD 254

№ 3 Cable
CD 251
CD 251

№ 61 Cable
CD 252
CD 252

№ 62 Cable
CD 254
CD 254

№ 63 Cable

D Series (10 styles)

CD 168
CD 168

D-510
CD 230
CD 230

D-512
CD 232
CD 232

D-513
CD 238
CD 238

D-514
CD 1052
CD 1052

D-518
CD 1053
CD 1053

D-519
CD 137
CD 137

D-990

E Series (6 styles)

High Voltage Series (10 styles)

CD 280
CD 280

№ 1 High Voltage
CD 291
CD 291

№ 1 High Voltage
CD 281
CD 281

№ 1 High Voltage
CD 280.1
CD 280.1

№ 1 High Voltage
CD 281
CD 281

№ 2 High Voltage
CD 291
CD 291

№ 3 High Voltage
CD 295
CD 295

№ 4 High Voltage
CD 281
CD 281

№ 71 High Voltage
CD 295
CD 295

№ 72 High Voltage
CD 280
CD 280

№ 100 H.V.

Muncie Type Series (2 styles)

CD 302
CD 302

№ 75 Muncie Type
CD 303/310
CD 303/310

№ 76 Muncie Type

Provo Type Series (4 styles)

CD 249
CD 249

№ 0 Provo Type
CD 283
CD 283

№ 1 Provo Type
CD 282
CD 282

№ 2 Provo Type
CD 303.5
CD 303.5

№ 4 Provo Type

Telluride Type Series (2 styles)

CD 309.5
CD 309.5

Telluride Type B
CD 286.9
CD 286.9

Telluride Type C

TS Series (3 styles)

CD 142
CD 142

TS-2