1. Introduzione
The Generac 6346 30-Amp 125/250-Volt Power Inlet Box is designed for safe and reliable outdoor connection of a portable generator to an indoor transfer switch. This NEMA 3R-rated, corrosion-resistant aluminum enclosure ensures secure power transfer to your home or building during electrical outages.
This power inlet box is compatible with Generac generators equipped with 30-Amp outlets, including models such as GP3250, LP3250, XG4000, XP4000, GP5500, GP6500E, GP7500E, XG6500, XG7000E, XG8000E, XP6500E, and XP8000E. It is also compatible with Generac transfer switches model numbers 6376, 6377, 6378, 6379, and 6382.

Figure 1: Generac 6346 30-Amp Power Inlet Box.
2. Informazioni di sicurezza
ATTENZIONE: Risicu di scossa elettrica o d'incendiu.
- Installation of this power inlet box must be performed by a qualified, licensed electrician in accordance with all applicable electrical codes and standards.
- Do not attempt installation or wiring if you are not qualified. Improper installation can result in serious injury, death, or property damage.
- Always disconnect all power sources before installing or servicing the power inlet box.
- Ensure the generator is properly grounded before connecting it to the inlet box.
- Never operate a generator indoors or in enclosed spaces. Generators produce carbon monoxide, a colorless, odorless, poisonous gas.
3. Setup è Installazione
The Generac 6346 Power Inlet Box is designed for exterior mounting on a house or building. It must be hardwired to an appropriate indoor transfer switch.
3.1. Locu di muntatura
- Select an outdoor location that is easily accessible for generator connection but protected from direct impact.
- Ensure the location allows for proper routing of conduit and wiring to the indoor transfer switch.
- The NEMA 3R rating provides protection against rain, sleet, and external ice formation.
3.2. Wiring è Connection
- The inlet box features 1/2-inch and 3/4-inch EMT knockouts for conduit entry.
- Hardwire the inlet box to your transfer switch using appropriate gauge wiring for 30-Amp, 125/250V service.
- Assicuratevi chì tutte e cunnessione sò strette è sicure.

Figure 2: Dimensions of the Generac 6346 Power Inlet Box (approximately 6.7 inches in height).
4. Operating Instructions
Once the Generac 6346 Power Inlet Box is professionally installed and wired to your transfer switch, follow these steps to operate your generator during a power outage:
- Position Generator: Place your portable generator outdoors in a well-ventilated area, away from windows, doors, and vents to prevent carbon monoxide accumulation.
- Cunnette u cordone di alimentazione: Open the spring-loaded flip lid cover on the Generac 6346 Power Inlet Box. Connect a compatible Generac power cord (NEMA L14-30 configuration) from your 7500-Watt maximum generator to the inlet box. Ensure the connection is firm.
- Avvia u generatore: Follow your generator's manufacturer instructions to start it. Allow the generator to run for a few minutes to stabilize.
- Transfer Power: Go to your indoor transfer switch and follow its instructions to safely transfer power from the utility to the generator.
- Caricamentu di u monitoraghju: Ùn superate micca a putenza nominale di u generatore.tage (7500 Watts maximum for this inlet box).
- Chjodi: When utility power is restored, reverse the transfer switch procedure to switch back to utility power. Then, shut down your generator according to its manual and disconnect the power cord from the inlet box. Close the flip lid cover.
5. Mantenimentu
The Generac 6346 Power Inlet Box is constructed from NEMA 3R-rated corrosion-resistant aluminum, designed for durability and minimal maintenance. Regular inspection is recommended to ensure continued safe operation.
- Ispezione visuale: Periodically inspect the inlet box for any signs of physical damage, corrosion, or loose components.
- Funzionamentu di u coperchio: Ensure the spring-loaded flip lid cover opens and closes smoothly and seals properly to protect the inlet from weather elements. If the lid mechanism appears faulty, inspect for obstructions or damage.
- Pulizia: Keep the exterior of the box clean from dirt, debris, and insect nests. Use a damp pannu per a pulizia; evitate i prudutti chimichi aggressivi.
- Verificazione prufessiunale: Consider having a qualified electrician inspect your entire generator connection system periodically, especially after severe weather events.
6. Risoluzione di prublemi
This section addresses common issues you might encounter with the Generac 6346 Power Inlet Box. Always ensure the generator itself is functioning correctly before troubleshooting the inlet box.
| Prublemu | Causa Possibile | Soluzione |
|---|---|---|
| No power to transfer switch after generator connection. |
|
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| Flip lid cover does not close or open smoothly. |
|
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| Visible damage to the inlet box. |
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7. Specificazioni
- Mudellu: 6346
- Ampera: 30-Amp
- Voltage: 125/250V
- Maximum Generator Wattage: 7500 Watt
- Configurazione NEMA: L14-30
- Materiale: Alluminiu
- Tipu di Finitura: Pintatu
- Tipu di stallazione: Screw-In
- Dimensioni (L x W x H): Circa 5 x 7 x 5 inch
- Pesu di l'articulu: Circa 1.6 libbre
- Valutazione ambientale: NEMA 3R (Rain tight)
- Certificazioni: Listatu UL
- Paese d'origine: Fattu in i Stati Uniti
8. Garanzia infurmazione
The Generac 6346 30-Amp 125/250V Aluminum Power Inlet Box is backed by a Garanzia limitata di 2 anni. This warranty covers defects in materials and workmanship under normal use and service. For full warranty terms and conditions, please refer to the official Generac warranty documentation included with your product or visit the Generac websitu.
9. Assistenza Clienti
For technical assistance, warranty claims, or to inquire about replacement parts, please contact Generac Customer Service. Ensure you have your product model number (6346) and purchase date available when contacting support.
Generac Ufficiale Websitu: www.generac.com
Note: Generac power inlet boxes should be installed by a professional electrician familiar with electrical wiring and code.





