Yes, but both elements are needed for proper heating of water.
If you have no hot water, your heating element is out most likely
The heating element in a hot water heater is responsible for heating the water to the desired temperature, ensuring that hot water is available for use in the household.
There are a number of reasons as to why hot water may only last for five minutes. The most common is when the heating element goes out on the hot water heater.
Symptoms of a bad water heater element include insufficient hot water, fluctuating water temperature, strange noises coming from the water heater, and discolored or foul-smelling water.
Electric Hot Water Heater, Gas Hot Water Heater, Tankless Hot Water Heater, Hot Water Heater Leaking Hot Water Heater Problems Hot Water Heater Repair
if an element is constantly expanding and contracting (if you keep switching the hot water heater off and on again) all the time it causes cracks and over time the water leaks into the element causing it to short which means you have to replace it.
Because hot water heater breaker has tripped, or hot water heater has failed.
For an electric water heater on alternating current, there is not 'positive' or 'negative'. There should be terminals labeled hot and neutral, though.
no as it will burn out the element
Your hot water heater may run out of hot water quickly due to factors such as a small tank size, high demand for hot water, or a malfunctioning heating element. It is important to consider these factors and possibly upgrade your water heater or have it serviced to improve its performance.
There could be several reasons why the hot water in your shower only lasts for about four minutes. It could be due to a small water heater capacity, a malfunctioning heating element in the water heater, or issues with the shower fixture itself. It's best to have a professional plumber inspect the system to identify and address the specific cause.
Your hot water heater may run out of hot water too fast due to factors such as a small tank size, high demand for hot water, or a malfunctioning heating element. Consider upgrading to a larger tank or checking for any issues with the heating element to improve hot water supply.