I have a room that only has 2 wall outlets rated at 220/240v and 15* amps on which I want to run a 400W HPS bulb, ballast, 50W fan, digital timer, temperature controller, perhaps a 2000w fan heater at half capacity on colder days and 200 watts worth of T8 fluorescent lighting. I think it's probably too much, maybe I can get away with it by removing the heater from the equation, and I could run a power cord from another room but would prefer not to if it's not necessary. If someone could help me out with some advice as to whether the set up I have in the photo is a good or bad idea in terms of having the contactor "mains" plug is plugged into a multi plug instead of directly into the wall and how much load I can put on the 2 outlets I'd appreciate it.

We live in a big house with 2 geysers, electric garage door, lots of light sockets etc. so maybe the outlets can handle more current than the standard 15amps?

 

You don't say where you are in the world and power distribution rules and conventions vary a lot.

However, 220V at 15A is 3300W and everything you mention totals 2650W so everything could safely run off one socket so, spread across the two sockets should be comfortable.

 

American standards require a maximum calculated load @ 80% of the circuit breaker. 2650/3300 = 80.3%
I believe this will work properly.

 

You don't say where you are in the world and power distribution rules and conventions vary a lot.

However, 220V at 15A is 3300W and everything you mention totals 2650W so everything could safely run off one socket so, spread across the two sockets should be comfortable.

Thanks Albert and sorry I live in South Africa. From googling I found that the coutry's standard outlet is 15 amps. My main concerns are the high induction loads for the 400w HPS light and fluorescents on startup which is why I bought the contactor so that it doesn't burn out the timer. The ballast says 4.5A and the bulb is either 5.5, 6 or 6.5A Secondly, the contactor has 2 plugs, one labeled "timer" and one "mains", does it matter if the "mains" is plugged into the wall or into a multi-plug?

 

Your main concerns are irrelevant. HPS light fixtures don't have start surges.

We live in a big house with 2 geysers, electric garage door, lots of light sockets etc. so maybe the outlets can handle more current than the standard 15amps?

Your outlets don't have better self esteem because they are in a big house.

Two people already did the hard math and it's good.

 

Your main concerns are irrelevant. HPS light fixtures don't have start surges.

Your outlets don't have better self esteem because they are in a big house.

Two people already did the hard math and it's good.

Hahaha thanks #12. Forgive my lack of electrical knowledge. That's why I'm here. I appreciate the help.