Compressor Causes Power Drain

I built a shed and wired it.

I used #8 direct burial from the house to the shed.

I have a breaker in the house 15 amp for just my compressor.

When i run the compressor i seems to drain power from everything else,

ex: all light in the hose fad, my filter on the fish tank stops.

Could some one help me figure this out and put a stop to it.



Thanks Dak
      


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Greetings,



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First off, I have read a majority of the posts concerning this subject and they have been very helpful and answered many questions, but I still have a few.



I am wanting to run power to a detached shed that is around 100 feet from the house. However, due to the location of my main panel and the easiest route to run the power, I am looking at running cable about 270 feet. I measured it out to exactly 263 feet, but figured it would be best to go longer. I am wanting to run at least 60 amps to the shed, as I won't be using it for nothing more then power outlets (basic power tools) and lights. Here are my questions:



1) What cable would be best for such a long distance run?



2) Would a 60 amp subpanel be sufficient for this job. I am looking at only 4 circuits: 1 for internal outlets, 1 for lighting, 1 for motion sensor light outside and 1 for external outlet. I am looking at the following panel:

http://www.homedepot.com/Electrical-...&storeId=10051



I have seen some marked 70 amp and wondering if they make a difference:

http://www.homedepot.com/Electrical-...&storeId=10051



3) Also, I will be installing a 30 amp RV connector circuit from my main panel  to the where I park my Camper Trailer, which is a run of about 75 feet. What would be the best cable for this sort of run under ground? Can I run both cable together in the same conduit until I junction if off to where I will be installing the plug for the camper?



4) Would the following be the circuit breakers to use:



60 amp - http://www.homedepot.com/h_d1/N-5yc1...&storeId=10051



30 amp - http://www.homedepot.com/h_d1/N-5yc1...&storeId=10051



I think that is it for now. Thanks in advance for all your help!!