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Why a Shed Has Lost Power and the Repair Process

How to Repair Lost Electrical Power to an Outdoor Shed: Guide to Repair Lost Power to a Shed

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Guide to Repair Lost Power to a Shed
[ad#block]Electrical Question: I have lost power to my shed. I have underground cable that has been working for the past ten years.

Thanks for your help!

This electrical wiring question came from: Ralph, a Homeowner from Providence, Rhode Island.

Dave’s Reply:
Thanks for your electrical troubleshooting question Ralph.

How to Repair Lost Electrical Power to an Outdoor Shed

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FAQs Frequently Asked Questions and Comments

4 Responses to “Why a Shed Has Lost Power and the Repair Process”
  1. Dave Rongey says:

    Hi Mike,
    The electrical circuit to be installed to your shed that will have the capacity to support all of the items you have briefly described can only be determined by calculating the Total Connected Load for all of these items, and then deciding what type of wiring method you wish to install which will have a direct impact on the trenching requirements. That is how a circuit for a shed is calculated. And Mike, the cool thing about this website is how I have provided so many resources where you could look this up for yourself, and better yet, my new Electrical eBook has ALL of this information ready for you, complete with the very important electrical codes that apply to your shed wiring project.

  2. mike says:

    Hi my question is what are the requirements to run 100 ft of under ground wire to my shed to be safe, what size wire, how deep and do i need a grounding wire ect. I have several lights, several outlets and i run a heater during winter time also a air conditioner in summer time . I just found the nick in the old wire and want to replace the whole thing this spring, someone else installed the last wire so i,m not sure of anything, i just want it right and safe. Thanks again, Mike.

  3. Dave Rongey says:

    Hi Mike,
    You may want to check the connections at the house to the shed wiring and make sure they are made properly, well insulated and protected. You do not mention what method was used to install the cable to the shed, however it is best to install USE or Direct Burial cable at the appropriate depth, or install approved electrical wiring that is installed in conduit at the approved depth. Continuity and amperage load tests can be made to determine if the wiring is damaged. Underground wiring that is damaged will cause voltage leaks that are very dangerous. Until the problem is corrected the circuit should be disconnected or at least provide GFCI protection.
    Be Safe!

  4. mike says:

    My shed is around 100 ft. from my house and I have the under ground wire running off the garage out door light. Every thing works great until it rains which then my 20 amp breaker in the house breaker box trips every time. It does not trip when it snows or light moisture. How can I check this out.
    Thanks Mike