RELIANCEPower Inlet Boxes
RELIANCE Power Inlet Box: 30 A Current Rating, L14-30, Plastic
The RELIANCE Power Inlet Box (SKU 422L78, MPN WKPBN30) is a 30 A rated power inlet box with a plastic enclosure. It features an L14-30 configuration and measures 13 1/2 inches in overall height.
SKU 3G-OTH-384700
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RELIANCE Products
3G Electric (S) Pte. Ltd. — Singapore
Product Description
The RELIANCE Power Inlet Box (SKU 422L78, MPN WKPBN30) is a 30 A rated power inlet box with a plastic enclosure. It features an L14-30 configuration and measures 13 1/2 inches in overall height.
Used in
Common applications for RELIANCEResidential backup power — Reliance 30310A manual transfer switch for connecting a portable generator to a home electrical panel.
Outdoor generator hookup — Reliance PBN30 power inlet box with steel enclosure for weather-resistant generator connection.
Load testing — Reliance THP103 appliance load tester for verifying single-phase circuit loads up to 125 V AC.
GFCI outlet verification — Reliance THP102P receptacle tester for checking wiring and GFCI function in commercial buildings.
Generator cord assembly — Reliance PC3020 power cord for linking a transfer switch to an inlet box in a 30 A system.
High-capacity generator inlet — Reliance PBN50 power inlet box for 50 A universal transfer switch connections.
RELIANCE Products
3G Electric supplies RELIANCE power inlet boxes. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.










