While no flash unit manufacture explicitly recommend the use of a gasoline powered generators with their equipment, they realize that there will be instances when the working photographer has no choice, but, to use a generator. If you find it absolutely necessary to use a generator while on location there are a few things to know and practice.

1. You must use a voltage regulated generator. The bigger, the better. For example, if you are using lets say, a 2400 watts power pack, the generator must be way over 2400 watts. Additionally, if 3 heads are in use, with each head using a 250 watts model light, you will need 2400 watts plus 250 watts x 3 = 750 watts of model light wattage. That represents a total of 2400 plus 750, for a total of 3150 watts. Therefore, you'll need a generator of at least, lets say 6000 watts to be on the safe side. Remember, the bigger, the better.

2. The power pack must be located at least 5 - 6 feet from the generator. Because of the electrical fields and spikes generated by the generator brushes. These electrical fields and/or spikes will prevent the power pack from receiving a clean as possible power source and, may cause all kind of problems for you and your equipment.

3. For a distance of up to fifty feet a regular AC power cord is adequate.

4. Beyond fifty feet, it is suggested to use a heavy duty, construction type, AC power cord.

NOTE: When using a generator, you do so at your own risk. While many photographers have use generators without problems, there is no way to tell what might happen at any given moment.

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