Fat-Boy or Electrolier Socket Shell Paper Insulator for Turn-Knob Socket (40327)
Features:
- Long Paper Insulator for FAT-BOY Turn-Knob Socket to fit FAT-BOY socket interiors.
- FAT-BOY sockets have over-sized bases compared to regular medium-size lamp sockets even though they both accept the same medium-size light bulbs.
- Fat-Boys are often found on early electric (antique) lamps & fixtures.
- This one-slot insulator is intended for use as a replacement for worn or missing insulators.
- 1-3/16" top inside diameter
- 1-9/32" base inside diameter
- 2" height.
Long Paper Insulator for FAT-BOY Turn-Knob Socket to fit FAT-BOY socket interiors. FAT-BOY sockets have over-sized bases compared to regular medium-size lamp sockets even though they both accept the same medium-size light bulbs. Fat-Boys are often found on early electric (antique) lamps & fixtures. This one-slot insulator is intended for use as a replacement for worn or missing insulators. 1-3/16" top inside diameter, 1-9/32" base inside diameter, 2" height.
Socket cap insulators sold separately.
Product Information
Product Information
Shipping & Returns
Shipping & Returns

Fat-Boy or Electrolier Socket Shell Paper Insulator for Turn-Knob Socket (40327)
Fat-Boy or Electrolier Socket Shell Paper Insulator for Turn-Knob Socket (40327)
Features:
- Long Paper Insulator for FAT-BOY Turn-Knob Socket to fit FAT-BOY socket interiors.
- FAT-BOY sockets have over-sized bases compared to regular medium-size lamp sockets even though they both accept the same medium-size light bulbs.
- Fat-Boys are often found on early electric (antique) lamps & fixtures.
- This one-slot insulator is intended for use as a replacement for worn or missing insulators.
- 1-3/16" top inside diameter
- 1-9/32" base inside diameter
- 2" height.
Long Paper Insulator for FAT-BOY Turn-Knob Socket to fit FAT-BOY socket interiors. FAT-BOY sockets have over-sized bases compared to regular medium-size lamp sockets even though they both accept the same medium-size light bulbs. Fat-Boys are often found on early electric (antique) lamps & fixtures. This one-slot insulator is intended for use as a replacement for worn or missing insulators. 1-3/16" top inside diameter, 1-9/32" base inside diameter, 2" height.
Socket cap insulators sold separately.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Features:
- Long Paper Insulator for FAT-BOY Turn-Knob Socket to fit FAT-BOY socket interiors.
- FAT-BOY sockets have over-sized bases compared to regular medium-size lamp sockets even though they both accept the same medium-size light bulbs.
- Fat-Boys are often found on early electric (antique) lamps & fixtures.
- This one-slot insulator is intended for use as a replacement for worn or missing insulators.
- 1-3/16" top inside diameter
- 1-9/32" base inside diameter
- 2" height.
Long Paper Insulator for FAT-BOY Turn-Knob Socket to fit FAT-BOY socket interiors. FAT-BOY sockets have over-sized bases compared to regular medium-size lamp sockets even though they both accept the same medium-size light bulbs. Fat-Boys are often found on early electric (antique) lamps & fixtures. This one-slot insulator is intended for use as a replacement for worn or missing insulators. 1-3/16" top inside diameter, 1-9/32" base inside diameter, 2" height.
Socket cap insulators sold separately.














