For a 240v system it will be around 5amp per 10 square feet.
240v heater on 120v.
Commercial greenhouse lighting outdoor floodlights and stadium lighting may benefit the most from 240v power compared to 120v power because these lights run off of ballast assistance which is an electronic device used for starting and regulating fluorescent lights and discharge lamps.
This means that 1 500 square feet will be roughly 150amps for 120v and 75amps for 240v.
You have the wrong plug and socket configuration for your 240v wiring though.
If you are replacing your current heater with a new one you want to make sure to match the power supply that you already have if you are adding anew heater 240 voltage heaters are recommended because they have the capability to support more wattage.
The 0v line in the middle is the voltage of your neutral line.
The math for this will be around 1amp per 10 square feet for a 120v system.
Best electric garage heater 240v 120v this powerful industrial heater is a great choice suiting large premiums like warehouses or multi vehicle garages shops basements exposed areas.
120v or 240v electric heater.
Connect the second line l2 from cb and neutral from db to the upper terminal and lower terminal of three way switch respectively.
Be aware that by using a 240v element at 120v your power output will be 1 4 of the rating 5000w becomes 1250w you can hold a steady temp with that but you won t be doing step mashes.
However your 240v wiring is a miss.
Split phase 240v feed to your house.
When it comes to the lighting the advantages of 240v power really shows.
The tankless water heater has been essential gear for home washing or showering and the normal types based on the voltage needed are 120v tankless water heaters for point of use as well as 240 heaters for shower use.
This consists of two legs the picture below depicts one 120v leg in red and another in yellow.
You are indeed correct that the two water heater hots should be connected to hot and neutral of the 120v supply and the supply ground should ground the water heater.
To switch the circuit between 120v and 240v for water heater by using a 30 amperes 3 way switch just connect a line l1 from main distribution board via 30a circuit breaker to the water heater.