To answer this question the voltage of the bulb is needed.
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To calculate the amperage, use the formula: Amps = Watts / Volts. Assuming a typical voltage of 120 volts for a pool light, the calculation would be 500 watts / 120 volts = 4.17 amps.
A pool pump motor which is drawing half the amps listed on its nameplate can indicate a problem with the windings or a lack of incoming current. Pumps will only draw as many amps as are required to operate under the current load.
To replace a 120 volt pool light with a 12 volt pool light, you will need to ensure that the new light is compatible with your pool's existing wiring and transformer. Consult the manufacturer's instructions for the specific installation steps. It is recommended to hire a professional electrician to safely make this switch.
For a pool pump, six GFCI outlets, and an overhead light, you should use a 20 amp breaker to ensure safe and efficient operation. Make sure to follow local electrical codes and consult with a licensed electrician for proper installation.
As an ordinary light bulb will illuminate the whole pool, not just a circle you must be thinking of a spotlight bulb. The answer will depend on how tightly focused the spotlight is.
Yes, an older pool pump may draw more amps as it ages, which can potentially trip the main breaker if it exceeds the breaker's capacity. It is important to monitor the pump's electrical consumption and consider replacing it if it is consistently drawing excessive amps to prevent damage to the electrical system.