Intermatic Pool & Spa 4 Light Junction Box | PJB4175

The Intermatic PJB4175 Pool and Spa Junction Box provides a secure, UL-listed wiring enclosure for managing up to four line- or low-voltage pool and spa light circuits. Designed from corrosion-resistant PVC with stainless hardware, it delivers dependable protection in outdoor equipment areas while maintaining NEC-compliant electrical separation. Multiple conduit knockouts allow flexible routing options, and the raised mounting base suits deck-level installations. An internal grounding bar supports safe bonding practices for modern pool lighting systems, making the PJB4175 a dependable choice for multi-light setups, LED conversions, and equipment-pad upgrades.

Highlights

• Four-Light Wiring Capacity: Supports up to four circuits for coordinated pool or spa lighting and LED upgrade projects.

• NEC-Compliant Build: UL-listed PVC housing with stainless hardware ensures durability and safe separation from wet areas.

• Flexible Conduit Options: Includes several three-quarter inch and one inch knockouts for routing rigid or flexible conduit.

• Grounding Bar Included: Maintains proper bonding requirements and enhances electrical safety during installation.

• Weather-Protected Housing: Elevated mounting base and sealed cover help protect wiring from moisture and outdoor elements.

Additional Info

This FAQ helps online customers confirm capacity, conduit size, and NEC compliance before ordering the Intermatic PJB4175 Junction Box from SOSPool.com. It also explains what to inspect when the box arrives.

Capacity Rating, Conduit Knockouts & Lighting Compatibility

These answers help online shoppers ensure the box fits their lighting system.

How can I confirm the PJB4175 matches my pool-light setup?

Verify how many lights you need to wire—this box handles up to four—and check that your conduits are ¾ inch or 1 inch, which match the built-in knockouts.

Is this box suitable for LED retrofits?

Yes. Its multiple entries and secure internal wiring space make it ideal for LED upgrade projects.

Can it be used for both low-voltage and line-voltage circuits?

Yes. The PJB4175 is designed for both applications when wired correctly.

Electrical Safety, Grounding Bar Use & Moisture Protection

These answers clarify performance after installation.

Why is the internal grounding bar important?

It provides the required bonding point that keeps lighting circuits compliant with modern safety standards.

Does the housing protect wiring from water?

The gasketed lid and elevated base help keep moisture away, but proper installation is essential for full protection.

Will this box hold up outdoors long-term?

Yes. The corrosion-resistant PVC and stainless hardware are built for years of outdoor exposure.

Shipping, Arrival Inspection & Installation Prep

These details help SOSPool.com customers prepare once the box is delivered.

How is the PJB4175 packaged for shipping?

It arrives in protective packaging to prevent damage to the housing, lid, and grounding bar.

What should I check when it arrives?

Inspect the lid gasket, conduit knockouts, and the grounding bar for cracks or stress marks from transit.

Is the junction box ready for installation immediately?

Yes. Once conduit and wiring are connected, it can be mounted right away.