Intersystem Bonding Terminal First Choice Meter Box Clamp — EM-MB5-3…

Meter box bonding and grounding connector with top-tightening spade wedge contact point, three ground wire connection points


  • Meet the requirements of 2008 NEC® Section 250.94 (below).
  • Gel-filled caps help prevent corrosion at the piercing points.
  • Easy, foolproof installation.
  • Apply with a standard terminal wrench or 3/8 nut driver—no special tools required.
  • Make electrical contact under the dripcap of the box, on bare, unpainted metal.
  • Accommodate #6–#14 AWG solid or stranded ground wire.
  • Stainless steel and copper alloy to reduce corrosion.
  • Mounts on the side—does not interfere with the cover or collapse the sides.
  • Small and inconspicuous.
  • Available with alternate caps (not gel-filled) to cover the prongs and bottom.
  • Available with extra-long body.
  • Available with narrow wedge.
  • Available with flat points (top and bottom—alternate caps not necessary).

RUS Listed.


Product Description

2008 NEC® Section 250.94 Requirements

  • An intersystem bonding termination for connecting intersystem bonding and grounding connectors required for other systems shall be provided external to enclosures at the service equipment and at the disconnecting means for any additional buildings or structures.
  • The intersystem bonding termination device shall not interfere with opening a service or metering equipment enclosure.
  • The intersystem bonding termination shall have the capacity for connection of not less than three intersystem bonding conductors.


Bonding and grounding telco and CATV to power ground.

Use the drop-down menu above to choose alternate caps, extra-long body, narrow wedge, and flat points, or go to the Product Variations tab to find an already configured part number.

Additional Information

Optional alternate caps

No, Yes

Optional extra-long body

No, Yes

Optional narrow wedge

No, Yes

Optional flat points

No, Yes

    PROD # Optional alternate caps Optional extra-long body Optional narrow wedge Optional flat points
EM-MB5-3 No No No No
EM-MB5-3-NP Yes No No No
EM-MB5-3-NP-XL Yes Yes No No