Morris 91666 Serrated-Collar Ground Pipe Clamp, 4-1/2" - 6" Pipe

Product Overview

The Morris 91666 is a copper-alloy serrated-collar ground pipe clamp for bonding #2 through #10 AWG conductors to 4-1/2"–6" water pipe, copper tubing, or a ground rod.

The serrated collar accepts Morris serrated adaptors (91603–91606) for grounding armored cable or conduit. The clamp is cast from a copper alloy and uses zinc-plated steel set screws.

Key Features

• For grounding to 4-1/2"–6" water pipe, copper tubing, or ground rods
• Accepts serrated adaptors 91603–91606 for conduit or armored-cable grounding
• Cast from copper alloy
• Zinc-plated steel set screws
• Wire range: #2 to #10 AWG

What this clamp does

The Morris 91666 provides a conductive connection between grounding conductors and round metal piping or a ground rod for bonding purposes. It is intended for use with conductors sized #2 through #10 AWG and with pipes or tubing in the 4-1/2" to 6" diameter range.

• Used for bonding grounding conductors to water pipe, copper tubing, or ground rods
• Serrated collar accepts adaptors to connect conduit or armored cable accessories

Compatible pipes, conductors, and adaptors

Compatible with pipes or tubing having diameters between 4-1/2" and 6" and with conductors sized #2 to #10 AWG. The serrated collar accepts Morris serrated adaptors catalog numbers 91603 through 91606.

• Pipe range: 4-1/2"–6"
• Wire range: #2–#10 AWG
• Pairs with serrated adaptors: 91603, 91604, 91605, 91606

Materials

The clamp body is cast from a copper alloy. Set screws are zinc-plated steel.

• Clamp material: copper alloy (cast)
• Set screws: zinc-plated steel

Basic installation overview

Place the clamp around the pipe, position the conductor or a compatible serrated adaptor in the collar, and tighten the set screw(s) to secure the connection. Follow applicable local electrical and grounding codes for installation and torque requirements.

• Place clamp around the pipe or ground rod
• Insert conductor or serrated adaptor into the collar
• Tighten set screw(s) to secure the assembly

Key specifications

Reference these product specifications to confirm fit and compatibility.

• Brand: Morris
• Catalog number: 91666
• Type: Copper Ground Pipe Clamp – Serrated Collar
• Pipe range: 4-1/2"–6"
• Wire range: #2–#10 AWG
• Material: Copper alloy (cast)
• Set screw: Zinc-plated steel
• Pairs with: Serrated adaptors 91603–91606

Before You Order

Verify pipe diameter and conductor size to ensure compatibility with this clamp.

• Confirm pipe/tubing diameter is within 4-1/2"–6"
• Confirm conductor size is within #2–#10 AWG

Ordering from Lumera Electric

Check the purchasing options shown on the Lumera Electric product page for Morris 91666 Serrated-Collar Ground Pipe Clamp, 4-1/2" - 6" Pipe. For project quantities or additional ordering requirements, use Request a Quote and provide the required quantity.