Ground Proving Clamp and Cable with Sculcon

For use with Sculcon Junction Box, Model SC-47CC/CLMP

  • Verification of static grounding when properly connected to the trailer frame
  • Intrinsically safe operation
  • Spring-loaded clamp jaws with adjustable contact pins for a solid bond to the trailer frame
  • Heavy-duty, weather-sealed aluminum junction box to house cable wiring
  • The clamp and cable disconnects from the junction box during a drive-away accident, preventing damage to the control monitor and maintaining intrinsic safety

Junction Box with Ground Cable and Plug or Clamp

Part Number Description
 08815 SC-47CC/CLMP Clamp and 32′ Coiled Cable
 09333 SC-47/CLMP Sculcon Junction Box, Clamp, and 20′ Straight Cable


Part Number Description
27647 Terminal Strip, 12-position
 32445 Strain Relief, 3⁄8″, for Grounding Cable
 31766 Clamp and Cable Assembly, 32′ Coiled Cable
 32665 Clamp and Cable Assembly, 20′ Straight Cable
 31778 Replacement Clamp
 32319 Sculcon Box Assy, general purpose

Some applications such as rail lines and pipelines may also have stray currents present. In these situations, the rail or pipeline must be bonded to ground independently from the Scully ST-47 system.

Operation Temperature: -40˚ to +140˚ F (-40˚ to +60˚ C)
Electrical Connections: Internal terminal strips, identified for easy installation
Bypass Switch: Key lockable off-on bypass switch for ELK model only
Power Requirements: ST-47–115 Models: 105–125 VAC, 50/60 Hz. 0.250 Amperes maximum
ST47–240 Models: 208–240 VAC, 50/60 Hz.0.125 Amperes maximum
Shipping Weights: SC-47; 9 lbs (4 kgs)
Approvals: Explosion-proof with intrinsically safe ground connection outputs; rated for Class I, Division 1, Groups C & D Hazardous (Classified) Locations, by FM Global (FM) to Canadian and United States standards

Scully Signal