--- title: | overfill prevention description: overfill prevention | image: https://marketing.scully.com/hubfs/TankTek_logosquare.png --- - [Products](http://scully.com/products/) - [Overfill Prevention Controllers](https://scully.com/product-category/overfill-prevention-controllers/) - Loading Rack / Fill Stand / Gantry - [Auto-Detect Rack Controller - Intellitrol](https://scully.com/product/intellitrol-overfill-grounding-vehicle-identification-monitor/) - [Multi-Point Controller – ST-35](https://scully.com/product/st-35-overfill-prevention-monitor-2/) - [Single-Point Controller – ST-15](https://scully.com/product/st-15-overfill-prevention-monitor/) - Tank Truck - [Onboard Controller – IntelliCheck®3](https://scully.com/product/intellicheck-3/) - Storage Tank - [Point Level Controls – ST-15-WX](https://scully.com/product/st-15-wx-overfill-prevention-and-liquid-detection-monitor/) - [Overfill Prevention Sensors](https://scully.com/product-category/overfill-prevention-sensors/) - Tank Truck - [Two-Wire Optic Sensor](https://scully.com/product/scul-sense-two-wire-optic-sensor-for-overfill-prevention/) - [Five-Wire Optic Sensor](https://scully.com/product/scul-sense-five-wire-optic-sensor-for-overfill-prevention/) - [Stainless Steel Chemical Sensor](https://scully.com/product/scul-sense-stainless-steel-high-pressure-chemical-sensor/) - [Retain Optic (Bottom) Sensor](https://scully.com/product/retained-product-sensor-for-compartment-empty-detection/) - [Toolless Sensor – Scully Connect™ Plus](https://scully.com/product/scully-connect/) - Storage Tank - [Two-Wire Optic Sensor For Storage Tanks](https://scully.com/product/two-wire-optic-sensor/) - [Thermistor Sensor](https://scully.com/product/thermistor-sensor/) - [Single Sensor Mounting Holder](https://scully.com/product/sp-o-single-sensor-mounting-holder/) - [Multi-Sensor Mounting Holder For Storage Tanks](https://scully.com/product/multi-sensor-mounting-holder/) - Rail Car - [Portable Liquid Level (Cane) Sensor](https://scully.com/product/portable-liquid-level-sensors/) - [Overfill Prevention Plugs & Cables](https://scully.com/product-category/overfill-prevention-plugs-cables/) - Loading Rack / Fill Stand / Gantry - [Plugs, Cables & Junction Box](https://scully.com/product/plug-cable-assemblies-wsculcon-series-junction-box/) - [Pull-Away Plug & Cable](https://scully.com/product/scully-pull-away-socket/) - [Break-Away Plug & Cable – Scul-Guard™](https://scully.com/product/break-away-cables/) - [Overfill Prevention Sockets](https://scully.com/product-category/overfill-prevention-sockets/) - Tank Truck - [Single & Dual Sockets (DuoCept®)](https://scully.com/product/five-wire-and-two-wire-single-sockets/) - [Two-Wire Optic Socket – UK](https://scully.com/product/scully-two-wire-optic-socket/) - [Overfill Prevention Testers & Accessories](https://scully.com/product-category/overfill-prevention-testers-accessories/) - Loading Rack / Fill Stand / Gantry - [Scully Rack Tester](https://scully.com/product/universal-loading-rack-tester/) - Tank Truck - [Universal Truck Tester](https://scully.com/product/universal-truck-tester-overfill-prevention-grounding-system-diagnostics/) - [Static Bond & Ground Proving Equipment](https://scully.com/product-category/static-bond-ground-proving-equipment/) - Loading Rack / Fill Stand / Gantry - [Static Ground Proving Controller ST-47 Groundhog™](https://scully.com/product/st-47-groundhog-static-grounding-monitor/) - Tank Truck Accessories - [Scully Ground Bolt & Ground Ball](https://scully.com/product/ground-bolt-ground-ball/) - [Static Ground Proving Plugs, Cables, & Clamps](https://scully.com/product-category/static-bond-ground-proving-plugs-cables-clamps/) - Loading Rack / Fill Stand / Gantry - [Plugs & Cables W/ SCULCON Junction Box](https://scully.com/product/ground-proving-plug-and-cable-assembly-with-sculcon-junction-box/) - [Clamps & Cables W/ SCULCON Junction Box](https://scully.com/product/ground-verification-clamp-and-cable-unit/) - [Deadman Handle & Cable](https://scully.com/product/deadman/) - [Vehicle Identification System](https://scully.com/product-category/vehicle-identification-system/) - Loading Rack /Fill Stand / Gantry - [Auto-Detect Rack Controller - Intellitrol®2 W/ Vehicle Identification Option](https://scully.com/product/intellitrol-overfill-grounding-vehicle-identification-monitor/) - Tank Truck - [Truck ID Module – T.I.M ®](https://scully.com/product/t-i-m-truck-identification-module-2/) - [Delivery Nozzles, Swivels & Accessories](https://scully.com/product-category/delivery-nozzles-swivels-accessories/) - [Ball-Valve Delivery Nozzle Sculflow®](https://scully.com/product/sculflow-nozzle/) - [High Volume Delivery Nozzle – Super Nozzle](https://scully.com/product/super-nozzle/) - [Hose Swivels & Sight Glass](https://scully.com/product/hose-swivels/) - [Spouts](https://scully.com/product/spouts/) - [Portable Fill Device – Ventafil®](https://scully.com/product/ventafil-portable-fill-device-2/) - [Flow Controls & Actuators](https://scully.com/product-category/flow-controls-actuators/) - [Flow Switch & Angle Check Valve Mark IV®](https://scully.com/product/mark-iv-flow-switch-angle-check-valve/) - [Angle Check Valve – Mark IV®](https://scully.com/product/flow-switch-angle-check-valve-pumping-flow-control/) - [Electric & Air Throttle Actuator Sculmatic®](https://scully.com/product/sculmatic-12-volt-electricair-throttle-actuators/) - [Fill Alarms & Level Gauges](https://scully.com/product-category/fill-alarms-level-gauges/) - [Tank Level Gauges – Econ-O-Gage ®](https://scully.com/product/econ-o-gage-swing-arm-gauges/) - [Tank Fill Audible Indicators – Ventalarm®](https://scully.com/product/ventalarm-tank-fill-signals/) - [Tank Level & Alarm Gauges – Ventalarm®](https://scully.com/product/ventalarm-gauges/) - [Tank Level Gauges – Golden Gallon Gauge®](https://scully.com/product/golden-gallon-gauge/) - [Tank Level Gauges – Twis-Lok®](https://scully.com/product/twis-lok-gauge/) - [Enhanced Tank Level Gauges – Snorkel®](https://scully.com/product/snorkel-gauge/) - [Portable Water Detector](https://scully.com/product/portable-water-level-sensor/) - [Vent Pipe Fill Signal – Whistler®](https://scully.com/product/whistler-fill-signal/) - [Tight Fill Adaptors & Caps](https://scully.com/product-category/tight-fill-adaptors-caps/) - [Unifil® Adaptors, Caps And Nozzle Connectors](https://scully.com/product/unifil-tightfill-connection-system/) - [Unifil® Delivery System Accessories](https://scully.com/product/scully-unifil-tight-fill-delivery-system-accessories/) - [Scul-Lock™️ – Locking Cap](https://scully.com/product/scul-lock-locking-cap/) - [Markets](http://scully.com/markets/) - [Petroleum](https://scully.com/market/petroleum/) - [Railcar](https://scully.com/market/railcar/) - [Aviation](https://scully.com/market/aviation/) - [Chemical](https://scully.com/market/chemical/) - [Government/Military](https://scully.com/market/government-military/) - [Lube Oil Delivery](https://scully.com/market/lube-oil-delivery/) - [Food & Beverages](https://scully.com/market/food-beverage/) - [Heating Oil Delivery](https://scully.com/market/heating-oil-delivery/) - [Support](https://scully.com/support/) - [Customer Service & Sales](https://scully.com/contact-us/) - [Applications & Pre-Sales](https://scully.com/contact-us/application-pre-sales/) - 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[Products](http://scully.com/products/) - [Overfill Prevention Controllers](https://scully.com/product-category/overfill-prevention-controllers/) - Loading Rack / Fill Stand / Gantry - [Auto-Detect Rack Controller - Intellitrol](https://scully.com/product/intellitrol-overfill-grounding-vehicle-identification-monitor/) - [Multi-Point Controller – ST-35](https://scully.com/product/st-35-overfill-prevention-monitor-2/) - [Single-Point Controller – ST-15](https://scully.com/product/st-15-overfill-prevention-monitor/) - Tank Truck - [Onboard Controller – IntelliCheck®3](https://scully.com/product/intellicheck-3/) - Storage Tank - [Point Level Controls – ST-15-WX](https://scully.com/product/st-15-wx-overfill-prevention-and-liquid-detection-monitor/) - [Overfill Prevention Sensors](https://scully.com/product-category/overfill-prevention-sensors/) - Tank Truck - [Two-Wire Optic Sensor](https://scully.com/product/scul-sense-two-wire-optic-sensor-for-overfill-prevention/) - [Five-Wire Optic Sensor](https://scully.com/product/scul-sense-five-wire-optic-sensor-for-overfill-prevention/) - [Stainless Steel Chemical Sensor](https://scully.com/product/scul-sense-stainless-steel-high-pressure-chemical-sensor/) - [Retain Optic (Bottom) Sensor](https://scully.com/product/retained-product-sensor-for-compartment-empty-detection/) - [Toolless Sensor – Scully Connect™ Plus](https://scully.com/product/scully-connect/) - Storage Tank - [Two-Wire Optic Sensor For Storage Tanks](https://scully.com/product/two-wire-optic-sensor/) - [Thermistor Sensor](https://scully.com/product/thermistor-sensor/) - [Single Sensor Mounting Holder](https://scully.com/product/sp-o-single-sensor-mounting-holder/) - [Multi-Sensor Mounting Holder For Storage Tanks](https://scully.com/product/multi-sensor-mounting-holder/) - Rail Car - [Portable Liquid Level (Cane) Sensor](https://scully.com/product/portable-liquid-level-sensors/) - [Overfill Prevention Plugs & Cables](https://scully.com/product-category/overfill-prevention-plugs-cables/) - Loading Rack / Fill Stand / Gantry - [Plugs, Cables & Junction Box](https://scully.com/product/plug-cable-assemblies-wsculcon-series-junction-box/) - [Pull-Away Plug & Cable](https://scully.com/product/scully-pull-away-socket/) - [Break-Away Plug & Cable – Scul-Guard™](https://scully.com/product/break-away-cables/) - [Overfill Prevention Sockets](https://scully.com/product-category/overfill-prevention-sockets/) - Tank Truck - [Single & Dual Sockets (DuoCept®)](https://scully.com/product/five-wire-and-two-wire-single-sockets/) - [Two-Wire Optic Socket – UK](https://scully.com/product/scully-two-wire-optic-socket/) - [Overfill Prevention Testers & Accessories](https://scully.com/product-category/overfill-prevention-testers-accessories/) - Loading Rack / Fill Stand / Gantry - [Scully Rack Tester](https://scully.com/product/universal-loading-rack-tester/) - Tank Truck - [Universal Truck Tester](https://scully.com/product/universal-truck-tester-overfill-prevention-grounding-system-diagnostics/) - [Static Bond & Ground Proving Equipment](https://scully.com/product-category/static-bond-ground-proving-equipment/) - Loading Rack / Fill Stand / Gantry - [Static Ground Proving Controller ST-47 Groundhog™](https://scully.com/product/st-47-groundhog-static-grounding-monitor/) - Tank Truck Accessories - [Scully Ground Bolt & Ground Ball](https://scully.com/product/ground-bolt-ground-ball/) - [Static Ground Proving Plugs, Cables, & Clamps](https://scully.com/product-category/static-bond-ground-proving-plugs-cables-clamps/) - Loading Rack / Fill Stand / Gantry - [Plugs & Cables W/ SCULCON Junction Box](https://scully.com/product/ground-proving-plug-and-cable-assembly-with-sculcon-junction-box/) - [Clamps & Cables W/ SCULCON Junction Box](https://scully.com/product/ground-verification-clamp-and-cable-unit/) - [Deadman Handle & Cable](https://scully.com/product/deadman/) - [Vehicle Identification System](https://scully.com/product-category/vehicle-identification-system/) - Loading Rack /Fill Stand / Gantry - [Auto-Detect Rack Controller - Intellitrol®2 W/ Vehicle Identification Option](https://scully.com/product/intellitrol-overfill-grounding-vehicle-identification-monitor/) - Tank Truck - [Truck ID Module – T.I.M ®](https://scully.com/product/t-i-m-truck-identification-module-2/) - [Delivery Nozzles, Swivels & Accessories](https://scully.com/product-category/delivery-nozzles-swivels-accessories/) - [Ball-Valve Delivery Nozzle Sculflow®](https://scully.com/product/sculflow-nozzle/) - [High Volume Delivery Nozzle – Super Nozzle](https://scully.com/product/super-nozzle/) - [Hose Swivels & Sight Glass](https://scully.com/product/hose-swivels/) - [Spouts](https://scully.com/product/spouts/) - [Portable Fill Device – Ventafil®](https://scully.com/product/ventafil-portable-fill-device-2/) - [Flow Controls & Actuators](https://scully.com/product-category/flow-controls-actuators/) - [Flow Switch & Angle Check Valve Mark IV®](https://scully.com/product/mark-iv-flow-switch-angle-check-valve/) - [Angle Check Valve – Mark IV®](https://scully.com/product/flow-switch-angle-check-valve-pumping-flow-control/) - [Electric & Air Throttle Actuator Sculmatic®](https://scully.com/product/sculmatic-12-volt-electricair-throttle-actuators/) - [Fill Alarms & Level Gauges](https://scully.com/product-category/fill-alarms-level-gauges/) - [Tank Level Gauges – Econ-O-Gage ®](https://scully.com/product/econ-o-gage-swing-arm-gauges/) - [Tank Fill Audible Indicators – Ventalarm®](https://scully.com/product/ventalarm-tank-fill-signals/) - [Tank Level & Alarm Gauges – Ventalarm®](https://scully.com/product/ventalarm-gauges/) - [Tank Level Gauges – Golden Gallon Gauge®](https://scully.com/product/golden-gallon-gauge/) - [Tank Level Gauges – Twis-Lok®](https://scully.com/product/twis-lok-gauge/) - [Enhanced Tank Level Gauges – Snorkel®](https://scully.com/product/snorkel-gauge/) - [Portable Water Detector](https://scully.com/product/portable-water-level-sensor/) - [Vent Pipe Fill Signal – Whistler®](https://scully.com/product/whistler-fill-signal/) - [Tight Fill Adaptors & Caps](https://scully.com/product-category/tight-fill-adaptors-caps/) - [Unifil® Adaptors, Caps And Nozzle Connectors](https://scully.com/product/unifil-tightfill-connection-system/) - [Unifil® Delivery System Accessories](https://scully.com/product/scully-unifil-tight-fill-delivery-system-accessories/) - [Scul-Lock™️ – Locking Cap](https://scully.com/product/scul-lock-locking-cap/) - [Markets](http://scully.com/markets/) - [Petroleum](https://scully.com/market/petroleum/) - [Railcar](https://scully.com/market/railcar/) - [Aviation](https://scully.com/market/aviation/) - [Chemical](https://scully.com/market/chemical/) - [Government/Military](https://scully.com/market/government-military/) - [Lube Oil Delivery](https://scully.com/market/lube-oil-delivery/) - [Food & Beverages](https://scully.com/market/food-beverage/) - [Heating Oil Delivery](https://scully.com/market/heating-oil-delivery/) - [Support](https://scully.com/support/) - [Customer Service & Sales](https://scully.com/contact-us/) - [Applications & Pre-Sales](https://scully.com/contact-us/application-pre-sales/) - [Technical Support](https://scully.com/contact-us/technical-support/) - [Resources](https://scully.com/resources/) - [Documentation & Manuals](https://scully.com/resources/documentation-manuals/) - [Case Studies & Application Notes](https://scully.com/resources/case-studies-application-notes/) - [Testimonials](https://scully.com/testimonials/) - [Videos](https://scully.com/resources/videos/) - [News & Insights](https://scully.com/news-insights/) - [News](https://scully.com/news-insights/news/) - [Insights](https://scully.com/news-insights/insights/) - [Events](https://scully.com/news-insights/recent-upcoming-events/) - [About Us](https://scully.com/company-profile/) - [Company Profile](https://scully.com/company-profile/) - [Our Quality Promise](https://scully.com/company-profile/our-quality-promise/) - [Join Our Team](https://workforcenow.adp.com/mascsr/default/mdf/recruitment/recruitment.html?cid=1fc7810b-b7dd-4127-91fa-b24e50bb5b0e&ccId=19000101_000001&lang=en_US) [Contact Us](https://scully.com/contact-us/) # Scully Signal Blog ### Recent Posts ## [Why Is Scully Connect™ Better?](https://marketing.scully.com/scully-blog/why-is-scully-connect-better) [![](https://marketing.scully.com/hubfs/Scully-Connect_Release-Announcement-250pxl.jpg)](https://marketing.scully.com/scully-blog/why-is-scully-connect-better) **How to Eliminate the Pain Points You’ve Experienced with Plug-n-Play Systems** There’s a new way to Connect for overfill prevention systems! When our customers told us plug-and-play systems were a great idea, but they wanted Scully quality—we listened—and engineered the best quick-connect, pre-wired sensor system you can buy: Scully Connect.Our goal was to eliminate the “pain points” for failure-free operation. Because it has Scully quality built-in, operators can expect the exact same reliable 30-year proven technology in our sensors—with the only changes being the rugged re-design of the holder and the configuration of the wire connections within the holder. [Read More](https://marketing.scully.com/scully-blog/why-is-scully-connect-better) 0 Comments [Click here to read/write comments](https://marketing.scully.com/scully-blog/why-is-scully-connect-better#comments-listing) **Topics:** [sensors](https://marketing.scully.com/scully-blog/topic/sensors), [Scully Signal](https://marketing.scully.com/scully-blog/topic/scully-signal), [overfill prevention](https://marketing.scully.com/scully-blog/topic/overfill-prevention), [Scully Connect](https://marketing.scully.com/scully-blog/topic/scully-connect) ## [Scully Product Design Testing for Durability](https://marketing.scully.com/scully-blog/scully-product-design-testing-for-durability) [![](https://marketing.scully.com/hubfs/dust.jpg)](https://marketing.scully.com/scully-blog/scully-product-design-testing-for-durability) **Scully Product Testing: Designing Fail-Safe Overflow Prevention Products that Last** Long-lasting durability matters for Overfill Prevention and Grounding Systems, and you need assurance that your equipment will work in the field as well as the first day it was installed—sometimes under harsh conditions. How can you offer assurance? Fail-safe fluid detection and handling, with a dependable safety record over time, is an attainable goal, but it comes from following stringent protocols and using proven testing procedures. [Read More](https://marketing.scully.com/scully-blog/scully-product-design-testing-for-durability) 0 Comments [Click here to read/write comments](https://marketing.scully.com/scully-blog/scully-product-design-testing-for-durability#comments-listing) **Topics:** [sensors](https://marketing.scully.com/scully-blog/topic/sensors), [Scully Signal](https://marketing.scully.com/scully-blog/topic/scully-signal), [testing](https://marketing.scully.com/scully-blog/topic/testing), [product design](https://marketing.scully.com/scully-blog/topic/product-design), [overfill prevention](https://marketing.scully.com/scully-blog/topic/overfill-prevention), [static grounding](https://marketing.scully.com/scully-blog/topic/static-grounding) [All posts](https://marketing.scully.com/scully-blog/all) # Scully Signal Blog listing page Posted by [![scully-logo-big](https://marketing.scully.com/hubfs/scully-logo-big.svg "scully-logo-big")](https://scully.com/)   **Scully Signal Company World Headquarters** 70 Industrial Way Wilmington, MA 01887-3479, USA Company - [Company Profile](https://scully.com/company-profile/) - [President’s Message](https://scully.com/presidents-message/) - [Our Quality Promise](https://scully.com/company-profile/our-quality-promise/) - [Associations](https://scully.com/company-profile/associations/) - [Dynacheck®](https://scully.com/dynacheck/) Additional Resources - [Join Our Team](https://workforcenow.adp.com/mascsr/default/mdf/recruitment/recruitment.html?cid=1fc7810b-b7dd-4127-91fa-b24e50bb5b0e&ccId=19000101_000001&lang=en_US) - [Insights](https://scully.com/news-insights/insights/) - [Documentation & Manuals](https://scully.com/resources/documentation-manuals/) - [Technical Support](https://scully.com/contact-us/technical-support/) - [Contact Us](https://scully.com/contact-us/) [Login to Customer Portal](https://portal.scully.com/IPFSitePages/Main.aspx) © 2023 Scully - [Privacy Policy](https://scully.com/privacy-policy/) - [Terms & Conditions](https://scully.com/terms-and-conditions) - [Cookie Policy](https://scully.com/cookie-policy) - [Conflicts Mineral Policy](https://149855482.v2.pressablecdn.com/wp-content/uploads/CMS_01.pdf) - ![iso-logo-dark](https://marketing.scully.com/hubfs/iso-logo-dark.svg) - ![made-in-dark](https://marketing.scully.com/hubfs/made-in-dark.svg)