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Ground Ball

Compatible with Scully Stand Alone ST-47 Groundhog System
The Groundhog’s™ intelligent monitoring capabilities and the special electronic circuitry inside the Scully Ground Ball and Ground Bolt form a self-proving system. No manual checks are needed. Only the Scully Groundhog™ can provide you with the safest and most dependable means for vehicle static grounding. It maintains the integrity of your loading operation. The Groundhog™ can be used as a completely independent system. This system is ideal for top loading or applications where a Scully Overfill Prevention System is not in use. The control monitor connects to a heavy duty Sculcon® junction box with attached cable and special quick release snap-on plug. The Scully Ground Plug connects to a specially designed electronic Scully Ground Ball mounted on each vehicle. The controller in conjunction with the ground ball provides and verifies vehicle grounding before loading can begin. The controller must receive an electronic return signal from the ball throughout the loading operation.

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AYTC is an authorized full service distributor of Scully products. Scully is the market leader in overfill prevention systemsretained product monitoringvehicle groundinglevel alert notification and vehicle to terminal communications.
Control Units and Plug & Cable Assembly
Model Description Part #
ST-47-115 EL Control monitor with lamps (115 VAC operation) 8508
ST-47-115 ELK Control monitor with lamps and key protected bypass switch (115 VAC operation) 8220
ST-47-115 ELK/D Control monitor with lamps, key protected bypass switch with additional circuitry for deadman switch 8749
ST-47-240 EL Control monitor with lamps (240 VAC operation) 8675
ST-47-240 ELK Control monitor with lamps and key protected bypass switch (240 VAC operation) 8502
SC-47 Rack mounted heavy duty junction box with 20′ straight cable and ground proving plug for connection to vehicle mounted ground proving ball (Independent System) 8249
SC-47CC Rack mounted heavy duty junction box with 32′ coiled cable and ground proving plug for connection to vehicle mounted ground proving ball (Independent System) 8567
SC-47CC/D Same as SC-47-CC with additional circuitry for the deadman switch for aviation applications 8653
Replacement Parts
Model Description Part #
Ground Ball™ Truck mounted electronic ground proving ball for independent Grounding System 8274
Ground Bolt™ Truck mounted electronic ground proving bolt for wiring to overfill prevention socket 8560
Coiled Cable Replacement plug and 32′ coiled cable assembly for SC-47 8566
Straight Cable Replacement plug and 20′ straight cable assembly for SC-47 8219
Plug Replacement plug only for SC-47 8565
Module 115 Replacement module for 115 VAC models 22040
Bulb 135V Replacement indicator lamp bulb for 115 VAC models 27005
Module 240 Replacement module for 240 VAC models 22407
Bulb, 250V Replacement indicator lamp bulb for 240 VAC models 27006
Deadman Control Deadman switch with coiled cable 8863

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