Minnesota Department of Transportation

511 Travel Info

Approved/Qualified Products

Grounding

Ground Rod Clamp

Product Manufacturer Approval Date
Clamp # 231 Thompson Lightning Protection Inc. December 15 2010

Lightning Protection Conductor

Product Manufacturer Approval Date
Lightning Copper Conductor No. 48 Thompson Lightning Protection Inc. December 15 2010
Lightning Copper conductor No. 32T Harger Inc. December 15 2010

Lightning Rod Clamp

Product Name Manufacturer Approval Date
Clamp #230 Thompson Lightning Protection Inc. September 21 2010

Line Termination Unit - 1 Cable Application, i.e. Typically Cabinets

Product, Part Number Manufacturer Approval Date
Model 2310FC LTU, #61608 Norscan April 15 2011
Model 444-150-352 ACT September 22 2010

Parallel Splicer Clamp

Product Manufacturer Approval Date

Parallel Splicer Clamp # 141CT-4

Thompson Lightning Protection Inc. March 15 2010

1-Bolt Parallel Connector # 212TD9/16

Harger Inc. February 25 2009

Sheath Grounding Unit - 2+ Cable Application, i.e. Typically Vaults

Product , Part Number Manufacturer Approval Date
Model 2706 SGU, #61593 Norscan April 15 2011
Model 444-150-302 ACT September 22 2010