I have 2 20 watt led underwater, rgb controller, and plan on more low wattage landscape lighting in the future, would this be sufficient?

This is a 300W transformer. If you choose LED lights you will be able to put a lot of lights on it. If incandescent or halogen bulbs are used, you have to be careful you don't overload it. Are you sure your lights are 20W LED? That is quite a lot of consumption for an LED light. Anyway, you just have to add up your wattage and try to keep it below 300.

Do thes come wth the power cable? I don't see it in the picture.

This does not come with the wires/ power cables that run to the light. It also does not come with the wire that comes off the circuit breaker panel. It is simply a step down transformer. But it works just fine.

I need a 12 volt transformer for a regular 300 watt light (not led) . would this one work?

It would work but would overload after a short period of time. A transformer should not be loaded more than 80% of its rated capacity. So in this case a 300 watt transformer is good for about 240 watts continuously. A 600 watt transformer is good for 480 watts continuously.

is it designed to be installed outdoors? Or do I need to place it in a weather proof box?

Yes it is. I have two of these for my outdoor landscape lighting in Florida and they have been mounted outside for the last 3 years and are operating perfectly and still look like new. They are designed to be outside.

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Intermatic PX300 Pool Light Safety Transformer, 300W, 12/13/14V

Product ID: 2641599

Details

Brand
Intermatic
Mounting Type
Wall Mount
Power Source
Corded
Product Dimensions
4.5"D x 5.25"W
Specification Met
CSA UL

⚡300W power output

🔧Compact 7.25x5.25x4.5 in

🛡️Built-in overload protection

EC$878

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Description

💡 Illuminate your oasis with power and peace of mind!

SLEEK SPACE SAVVY - Compact metal enclosure fits seamlessly into any setup without bulk or rust concerns.
SAFETY FIRST ALWAYS - Grounded shield and automatic circuit breaker ensure worry-free, safe operation.
CODE READY RELIABLE - Meets NEC Code 680.23 for underwater lighting—trusted compliance for peace of mind.
VERSATILE VOLTAGE OPTIONS - Supports 12, 13, or 14 volts for ultimate lighting flexibility and customization.
POWER YOUR POOL LIKE A PRO - Delivers a robust 300W to illuminate pools, spas, and outdoor spaces with ease.

The Intermatic PX300 is a 300-watt pool light safety transformer designed to power 12-14V pool, spa, and outdoor lights. Featuring a compact, durable metal enclosure with multiple knockout options, it ensures easy installation and long-lasting performance. Safety is paramount with a grounded shield and built-in circuit protection that automatically disconnects power during overloads. Fully compliant with NEC Code 680.23, this transformer offers versatile voltage settings and reliable operation backed by a 1-year warranty.

Specifications

ASIN	B0039QEK2G
Best Sellers Rank	#45,325 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #34 in Outdoor Low Voltage Transformers
Brand	Intermatic
Brand Name	Intermatic
Customer Reviews	4.5 out of 5 stars 493 Reviews
Global Trade Identification Number	00078275024106
Included Components	Intermatic Px300 12V 300W Transformer With Automatic Circuit Breaker
Item Dimensions D x W x H	4.5"D x 5.25"W x 7.25"H
Item Highlight	Low-Voltage Safety Transformer for Pool and Spa Lighting, Reliable, Code-Compliant Transformer for Submersible Lighting
Item Type Name	Transformer
Item Weight	10.9 pounds
Manufacturer	Intermatic
Minimum Frequency	50 hertz
Model	PX300
Mounting Type	Wall Mount
Number of Items	1
Number of Packs	1
Part Number	PX300
Power Source	Corded Electric
Product Dimensions	4.5"D x 5.25"W x 7.25"H
Specification Met	CSA, UL
UPC	852673933716 783961727765 078275024106
Unit Count	1 Count
Warranty Description	1 Year, replace unit, no labor

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EC$878

Duties & taxes included

In stock

Sold byAmazon GrenadaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Grenada.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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