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-   -   Outdoor lighting transformer problem (http://www.diychatroom.com/f16/outdoor-lighting-transformer-problem-53102/)

lindapalmbay 09-16-2009 07:55 AM

Outdoor lighting transformer problem
 
good morning,

had a GFCI recepticle installed with a plastic cover. Transformer is 150 watt, bought a 6-light landscape combo, totalling 112 watts total. Added another 11 watt fixture. Has been fine for about a month but the lights stopped coming on at dusk so I checked the transformer and the plastic where one of the prongs is inserted has melted. I can still unscrew the screw but does anyone know why this would happen?

thanks.

LC

Bob Mariani 09-16-2009 08:05 AM

You may have overloaded the transformer. You have accounted for the total watts from the lamps but not for the voltage drop in the wires and connections and transformer efficiency. Buy a larger transformer.

lindapalmbay 09-16-2009 08:18 AM

hi Bob,

thanks for the reply. That's what I figured. I thought I might take off the extra fixture I had put on but since the plastic has melted I don't think that's a good idea.

Linda


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