Whats special about a porcupine?   The porcupine has specially designed hairs that are barbed spines which will spear and then detach in the face of any predator that tried to bite it. For a cute little w â¦ addler they are actually quite dangerous and should be approached (if at all) with caution. 2 people found this useful. Answered.
We regularly run two 1500 watt heaters in a 30 amp RV. Just be sure that each heater is on s different circuit. A 30 amp RV will usually have a pair of 15 or 20 amp breakers installed. If you go to run another applaince on the circuit with the heater, it will trip once you exceed the 15 or 20 amp breaker limit.
For LA batteries that are used in standby applications and are always being charged, the voltage is much closer to 13.2 volts, 2.2 volts/cell. For usage in RV's the charge time can vary considerably, from over night to a month or more. What voltage should our RV batteries be charged at. There are many factors, all with a specific answer which can get complex depending upon how many factors you take into consideration.