Cut Sheet

Overview
Here’s How the Steel City
®
Part Number System Works
B G – Bushings, Grounding
BI – Bushings, Insulated
BL – Blanks
BR – Rigid Spacer
BS – Box Spacer
BT – Thinwall Spacer
BU – Bushings
CB – Clamp Back
CP – Cable Protector
EK – 3-Piece Coupling
FA – Fire Alarm
GA – Ground Clamp (Armored Ground Wire)
GC – Ground Clamp
H – Hub
HA – Heavywall Adapter
HC – Heavywall Connector
HK – Heavywall Coupling
HL – Heavywall Elbow
HO – Heavywall Offset
HS – Heavywall Strap
LG – Locknut, Grounding
LN – Locknut
LT – Liquidtight
NC – Non-Metallic Sheathed Cable Connector
NS – Non-Metallic Sheathed Cable Strap
RB – Reducing Bushings
RT – Raintight
SH – Service Entrance Fitting
SL – Service Ells
SR – Sealing Rings
SS – Stainless Steel
LS – Locknut, Sealing
TC – Thinwall Connectors
TK – Thinwall Couplings
TL – Thinwall Elbow
TO – Thinwall Offset
TS – Thinwall Strap
TX – Thinwall to Flexible Metallic Conduit Fitting
UC – Utility Connector
USA – Made in USA
WA – Washer
XC – Armored Cable or Flexible Metallic Conduit Connector
XK – Armored Cable or Flexible Metallic Conduit Coupling
1st Digit — Material
1 = Steel
2 = Die Cast
3 = Combination Steel and Die Cast
4 = Malleable
5 = Plastic
6 = Aluminum
7 = Steel Insulated
8 = Die Cast Insulated
9 = Malleable Insulated
2nd Digit — Method
1 = Compression
2 = Set Screw
3 = Other
3rd/4th Digit — Size
0 =
3
⁄8"
1 =
1
⁄2"
2 =
3
⁄4"
3 = 1"
4 = 1
1
⁄4"
5 = 1
1
⁄2"
6 = 2"
7 = 2
1
⁄2"
8 = 3"
9 = 3
1
⁄2"
10 = 4"
11 = 5"
12 = 6"
Easy-to-identify alphabetical prefixes:
A few examples of the three-digit identification
system for thinwall fittings are:
TK-111A:
1
⁄2" steel, compression-type coupling
TC-714A: 1
1
⁄4" steel insulated compression-type connector
TC-822SC:
3
⁄4" die cast, insulated, set-screw type connector
Fittings
F-3