Inertor safety (1 Viewer)

[colmorangie]

Ok so I am trying to embrace safety in the new van, so when I fitted my invertor I put a fuse loop in on the +ve feed and put a 100 amp fuse in as my toaster pulls 70 amps.
I then took a lead from the Earth on the invertor casing and took it back to the -ve of the battery as that's also connected to the 230v Earth of the chassis. So covers all bases
Then finally I put a garden rcd on the 230v outlet.......

Have I made it safe?
Could it be safer?

Thanks in advance.

 

[Steve N Tracy]

Wow! a 16800 watt toaster, what you using a paint spray oven? I think you may mean 7 amps

 

[Lenny HB]

Wow! a 16800 watt toaster, what you using a paint spray oven? I think you may mean 7 amps

He is running from an inverter so 70 amps is correct.

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[Derbyshire wanderer]

The earth from the inverter should go to the chassis directly rather than the battery as the battery cable has a secondary connection to the engine and chassis.

 

[Steve N Tracy]

He is running from an inverter so 70 amps is correct.

Yep your right, serves me right for not reading the post correctly and assuming the fuse was on the mains side.

 

[Lenny HB]

The earth from the inverter should go to the chassis directly rather than the battery as the battery cable has a secondary connection to the engine and chassis.

Inverter output is isolated there is not even a connection to the earth pin on the mains output socket. The chassis is only connected to the 12v negative so waste of time running a connection from case to chassis earth.

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[Lenny HB]

I must comment, why run a toaster off an inverter, what's the point of hammering your batteries like that when you can get the same end result using gas.

 

[pappajohn]

I must comment, why run a toaster off an inverter, what's the point of hammering your batteries like that when you can get the same end result using gas.

I agree Lenny, but in my experience a toaster toasts whereas a gas grill dries out and lightly burns the bread.
I like my toast brown and slightly moist, if I want crispy bread I'll fry it.

 

[Lenny HB]

I agree Lenny, but in my experience a toaster toasts whereas a gas grill dries out and lightly burns the bread.
I like my toast brown and slightly moist, if I want crispy bread I'll fry it.

Agree if you use the useless grill, we don't bother with the grill use one of these instead.

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[GeriatricWanderer]

Smoke detector and vented batteries?

 

[klaatu]

Agree if you use the useless grill, we don't bother with the grill use one of these instead.

We have one of those too, it's excellent. Used it this morning. Could have used the electric toaster as we're currently on EHU, but prefer the gas thingy.

 

[Derbyshire wanderer]

Inverter output is isolated there is not even a connection to the earth pin on the mains output socket. The chassis is only connected to the 12v negative so waste of time running a connection from case to chassis earth.

Well mine has an earth point on the inverter casing.
Earthing anything metal to metal is never a waste of time otherwise why bother earthing sinks and gas pipes?
Double insulated is only any good if it is not damaged.

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[Lenny HB]

Well mine has an earth point on the inverter casing.
Earthing anything metal to metal is never a waste of time otherwise why bother earthing sinks and gas pipes?
Double insulated is only any good if it is not damaged.

I concede to your wisdom, agreed if you have an earth terminal might as well use it.

 

[hilldweller]

I must comment, why run a toaster.

A toaster is HUGE, far better things can fit in that space.

 

[colmorangie]

Folks
The toaster is great and does a good job been using it for years. I understand it hammers the batteries but to me it's worth it.
The big question is this earth leAd.....
My understanding is if there is a small short to to the casing the earth would normally feed that back to the negative via the earth which means there is a in balance in the output and return in the rcd so it trips!
How is this achieved on a inverter and should we be worried bout the 12 or 230 volts?

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