The Reliance Controls PB Series Power Inlet Box is the outdoors-ready, single-space solution you need for clean, safe power connections. Engineered for 120/240 V and a 20-amp rating, this 1-space, 1-circuit inlet delivers a trusted interface for generator hookups or temporary outdoor power without cluttering your exterior walls with loose cords.
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Capacity: 20 amps at 120/240 V, 1 space, 1 circuit
- Surface-mount installation designed for outdoor use
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Dimensions: 4 in wide × 6 in high × 2-5/8 in deep
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Protection: Breakers included for convenient circuit protection
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Certification: UL Listed for safety and reliability
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Packaging: Boxed for secure shipping and handling
The PB Series stands out with a compact, rugged enclosure that fits where space is tight, yet provides a durable, weather-ready connection point. Its single-space, single-circuit design is ideal for powering a selected outdoor circuit or supplying a portable generator through a controlled inlet, helping you avoid unsafe extension cords and improvised connections.
Ideal use scenarios
- Outdoor backup power for essential loads during outages (think lighting, sump pumps, refrigerators) without running cords through doors or windows
- Dedicated connection point for a portable generator or transfer-switch configuration, keeping routine maintenance and outages simple and safe
- Workshop or job-site electrical access outdoors where a clean, code-friendly inlet is preferred over improvised adapters
Why this matters — A purpose-built power inlet box from the PB Series provides a predictable, protected interface that improves safety, reduces wear on cords, and helps you meet outdoor electrical practices. The combination of a 20-amp rating, 120/240 V capability, and UL listing gives you confidence that the setup is suited for regular use in exterior environments.
Practical tips for optimal use
- Mount the box to a sturdy exterior surface with adequate clearance and weather protection for the inlet opening
- Use a proper outdoor-rated generator cord to connect to the inlet box, ensuring the cord matches 120/240 V and 20 A requirements
- Keep the cover closed when not in use to guard against moisture and debris
- Verify local electrical codes and, if in doubt, consult a qualified electrician during installation
