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Sensata Technologies – Airpax |
GFCI PLUG 120V 25' |
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Sensata Technologies – Airpax |
GFCI PLUG 120V 25' |
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Sensata Technologies – Airpax |
GFCI IN-LINE SPLICE 240V 2' |
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Sensata Technologies – Airpax |
GFCI IN-LINE SPLICE 120V 2' |
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Sensata Technologies – Airpax |
GFCI IN-LINE SPLICE 120V 25' |
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Sensata Technologies – Airpax |
GFCI IN-LINE SPLICE 120V 2' |
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Sensata Technologies – Airpax |
GFCI PLUG 120V 25' |
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Sensata Technologies – Airpax |
GFCI PERMANENT SPLICE 240V 18" |
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Sensata Technologies – Airpax |
GFCI IN-LINE SPLICE 120V 2' |
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Sensata Technologies – Airpax |
GFCI IN-LINE SPLICE 240V 2' |
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Sensata Technologies – Airpax |
GFCI IN-LINE SPLICE 120V 2' |
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Sensata Technologies – Airpax |
GFCI IN-LINE SPLICE 120V 25' |
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Sensata Technologies – Airpax |
GFCI PLUG 120V 2' |
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Sensata Technologies – Airpax |
GFCI PERMANENT SPLICE 120V 18" |
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Sensata Technologies – Airpax |
GFCI PLUG 120V 2' |
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Sensata Technologies – Airpax |
GFCI IN-LINE SPLICE 120V 2' |
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Sensata Technologies – Airpax |
GFCI PERMANENT SPLICE 120V 18" |
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Sensata Technologies – Airpax |
GFCI IN-LINE SPLICE 120V |
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Sensata Technologies – Airpax |
GFCI IN-LINE SPLICE 208V 2' |
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Sensata Technologies – Airpax |
GFCI IN-LINE SPLICE 120V 25' |
0 |
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A Ground Fault Circuit Interrupter (GFCI) is an electrical safety device designed to protect personnel from electric shock by detecting and interrupting hazardous ground fault currents. It monitors the balance of current between the hot and neutral conductors in a circuit, tripping the circuit when an imbalance exceeds a predetermined threshold (typically 4-6 mA). GFCIs are critical in modern electrical systems, particularly in damp or high-risk environments, and are mandated by national electrical codes (e.g., NEC Art. 210.8) for specific applications.
| Type | Functional Characteristics | Application Examples |
|---|---|---|
| Receptacle GFCI | Integrated into standard outlets; protects downstream devices | Kitchens, bathrooms, outdoor outlets |
| Circuit Breaker GFCI | Installed in distribution panels; protects entire branch circuits | Residential main panels, industrial equipment |
| Portable GFCI | Plug-in or cord-connected devices; temporary protection | Construction sites, poolside equipment |
| Deadfront GFCI | Wall-mounted unit without receptacle; provides visual status indicators | Commercial laundry rooms, HVAC systems |
A typical GFCI contains:
| Parameter | Value/Range | Significance |
|---|---|---|
| Nominal Current | 15-50 A | Defines maximum operational load capacity |
| Tripping Threshold | 4-6 mA (UL 943 standard) | Ensures human safety against lethal shocks |
| Response Time | <25 milliseconds | Minimizes exposure to hazardous currents |
| Withstand Voltage | 1500-2500 Vrms | Ensures dielectric integrity under surge conditions |
| Environmental Rating | IP24 (indoor) to IP67 (outdoor) | Determines suitability for specific installation environments |
Primary Industries:
Typical Equipment: Water heaters, power tools, pool pumps, medical diagnostic devices
| Manufacturer | Representative Product | Key Features |
|---|---|---|
| Square D (Schneider Electric) | QO120GFI | 120V, 20A circuit breaker GFCI with visual trip indicator |
| Leviton | GFTR1-KW | Portable GFCI with weather-resistant enclosure |
| Siemens | QFG2L120N2 | Two-pole GFCI breaker for multi-wire branch circuits |
| Eaton | CHGF206 | Combination GFCI/AFCI with smart panel compatibility |
Key considerations:
Case Study: A construction site selected Leviton's portable GFCI (IP67-rated) for temporary power tools, achieving 0 electrical incidents during a 12-month project.
Emerging developments include: