78310600 | Pentair 3/4" Brass Junction Box For Lights | 3 Port
Fits these models
Pickup, delivery and shipping times are estimates, not guarantees.
Couldn't load pickup availability
● 22 in stock30-day returns Secure checkout
Have a question about this part?
Ask about fit, specs or shipping and get an instant answer.
Goes with this part
CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
The Pentair 78310600 Brass Light Junction Box is designed to provide a secure, code-compliant connection point for pool and spa light wiring installations. Featuring durable brass construction, this 3/4 inch junction box includes three ports to accommodate conduit connections while protecting electrical connections from moisture and corrosion. Its heavy-duty metal housing offers long-term reliability in demanding pool environments, making it suitable for new installations or replacement of worn or damaged junction boxes. Commonly used with underwater pool and spa lighting systems, this junction box helps ensure safe electrical transitions from conduit to power source while maintaining proper grounding and protection.
-
Heavy-Duty Brass Construction: Built from solid brass to resist corrosion, moisture exposure, and harsh outdoor pool conditions.
-
Three-Port Configuration: Features three conduit ports to support flexible wiring layouts and multiple connection paths.
-
3/4 Inch Conduit Size: Designed for standard 3/4 inch conduit fittings commonly used in pool and spa lighting installations.
-
Electrical Safety Support: Provides a protected enclosure for light wiring connections, helping maintain proper grounding and code compliance.
-
Versatile Installation Use: Suitable for new pool light installs or replacing aging junction boxes in existing lighting systems.
- (1) Pentair 78310600 Brass Junction Box
- Pentair Pool and Spa Lights
A. THE FOLLOWING PREPARATORY STEPS MUST BE COMPLETED BY THE CERTIFIED ELECTRICIAN BEFORE LIGHT IS INSTALLED
1. Ensure that the electrical system of your pool conforms with all requirements of the National Electrical Code (NEC),
and all local codes and ordinances. A licensed or certified electrician must install the electrical system to meet or
exceed those requirements before the Junction Box is installed. Some of the NEC requirements are listed below.
2. To be certain that the pool’s electrical system meets all applicable requirements, the electrician should
also consult the local building department.
3. Position Junction Box to meet National Electrical Code (NEC) requirements and to prevent hazard to personnel.
4. The center conduit hub is provided with a strain relief for a cord size up to a 10/3 AWG cord. Use underwater lights
with water resistant cord only.
5. Three equipment grounding terminals are provided for internal grounding suitable for #16 AWG to #10 AWG wire.
One pressure wire grounding terminal is provided for a #8 AWG insulated copper bonding wire.
6. Install the Junction Box gasket between the Junction Box base and cover. Replace gasket if worn or damaged (P/N
79300600).
7. Plug any unused conduit hubs with the conduit plugs provided.