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POOL & SPA LIGHT 

REPLACEMENT INSTALLATION

Replacing existing Large Pool Light

Pre-Installation Guidelines

Risk of Electrical Shock or Electr

ocution! This underwater light must be installed by a licensed or 

certifi ed electrician or a qualifi ed pool professional in accordance with the NEC and all applicable local 
codes and ordinances. Improper installation will create an electrical hazard which could result in death 
or serious injury to pool users, installers or others due to electrical shock, and may also cause damage 
to property. Always disconnect the power to the pool light at the circuit breaker before servicing the 
light. Failure to do so could result in death or serious injury to service technician, pool users or others 
due to electrical shock.

Please check that the pool and spa meets the requirements of the current NEC and all local codes and 
ordinances. A licensed or certifi ed electrician must install the electrical system to meet or exceed those 
requirements before the underwater light is installed. Some of the requirements of the NEC which the 
pool’s electrical system must meet are as follows:
• The lighting circuit has a Ground Fault Circuit Interrupter (GFCI) for line voltage models and has an 
appropriately rated circuit breaker.
• The Junction Box (or for 12V models, the low voltage transformer) is located at least eight (8) inches 
(20.3 cm) above ground level and at least 48 inches (1.219 m) from the edge of the pool.
• The light fi xture and all metal items within fi ve (5) feet (1.524 m) of the pool are properly electrically 
bonded.
• The wet niche is properly electrically bonded and grounded via the No. 8 AWG ground connector 
located at the rear of the niche.
• Make sure that the swimming pool’s electrical system meets all applicable requirements, the 
electrician should also consult the local building department.

Install conduit to 

power supply

15 3

/4” (M

A

X

)

3 3

/4” (MIN

)

7/8” (MAX)
1/2” (MIN)

5 1/2” (STANDARD)
4 3/4” (MIN)
Niche Depth

2 3/4” (MAX)
2” (MIN)

Pool Finish

Concrete Thickness

WATER LINE

Concrete reinforcing bars

Sealant

2” MIN
Concrete 
coverage

SOIL

CONCRETE

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