Selection Guide
39
GROUND CLAMPS
Cat. no. Conduit size (in.) Pipe size (in.)
Conductor range (AWG)
Max. Min.
JPT
or
EMT
Cat. no. Ground wire size (AWG) Conduit size (in.)
Conduit
Conduit
Conduit
Material: malleable iron
Cat. no. Conduit size (in.)
Conductor range (AWG)
Max. Min.
—
Ground clamps
Type JPT – Cast bronze clamps for conduit,
conduit hubs & Type CH – Bronze conduit hubs
Hub swings 360° for ease of alignment.
• Pipe clamping portion identical to “JA” clamp
• Pressure-bar type conduit hub adjusts to fit
1
2"
or
3
4" EMT or
1
2" rigid conduit
• Brass washer provides positive contact with
grounding conductor
• Furnished with zinc-plated screws
Provides positive connection between
rigid conduit and water system.
• Used in conjunction with “J” clamp
•
—
Type JPT – Cast bronze clamps for conduit
—
Conduit hubs
—
Type CH – Bronze conduit hubs