Prong Transfer
 Is my generator cable sufficient? I just bought a 5500/8000 watt portable backup generator to run essential equipment (furnace, water pump, fridge, a few lights) during power outages. I thought I would be all set, because my house is already wired with a transfer switch in the basement, and a cable with a 4-prong plug in the garage. However, when I got the generator home, I realized that I have a 20-amp plug, and it won't fit the generator, which has a 30-amp outlet. I figure switching the plug (to an L14-30P, as the manual calls for) will be easy enough, but now I'm concerned that the cord may only be rated for 25 amps...it is a Carol SOOW 10/4 cable. Do I need to change the cable as well? It appears to run into a 50-amp breaker in the box in the garage, and from there goes subterranean to the transfer switch in the basement. Thanks in advance for any help. I'm a bit concerned about your amp load. I assume your generator has 240v capability. I am also assuming that your furnace and water pump are 240v. If you are trying to provide enough power to run the furnace, water pump, fridge and lights, at the same time, you are going to be pushing the range of a 5kw gen, even with 8k surge ability. As for your conductor, 10/4 will support 30 amps. However, 10/4 is undersized for a 50 amp breaker. You probably should change out that 50a breaker for a 30. |
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