More than likely the clamps within the socket that the plug pushes into are worn, this will cause overheating. You also get this with the cheaper makes of socket-outlet.
You only need to protect livestock where livestock might be present. So within office/accommodation areas you only need to provide additional protection as per the book.
Farms can be notoriously difficult to design due to their completely random layouts and multiple uses of buildings. They key...
Only other way is to chuck all the CPCs into Wagos to isolate them from parallel paths just to check your continuity.
If you IR the sheet it would come back as needing bonding so I would just do it anyway.
I tend to advise the landlords I do work for is five years for reinspection but a cursory annual/change of tenancy check is carried out. Normally just look to see if there's been any changes, general condition of accessories etc, this is normally tied in with changing smoke alarm batteries etc.
I've asked a couple of questions on a festivals page I'm on and the vast majority of caterers are using LPG for food prep etc with only basic electric for lighting and minimal socket outlets. Even the fridges are LPG.
That's an approximation. There's a lot of factors that can add/detract from battery life such as temperature, humidity, inverter losses etc.
You may want to consider solar panels to top up etc but you will need a large battery system to support your current needs. Also you need to consider...
With that lot at full load your looking around 50 amps, factor in appliances cycling through heating and cooling I would guesstimate 30 amp load.
Using an 8Kw inverter you should get around 20 minutes out of a 220Ah battery.
Not a matter of opinion, it would have to be made by assessing the installation and it's use. That can only be done in the property, so to state that it's hazardous without seeing it is incorrect.
Too many UPS plugged into the circuits covered by one RCD. I'd look at replacing the MCBs with RCBOs and getting rid of the upfront RCD. You can get RCBOs for that board but they are expensive, I would look at replacing the board with a full RCBO unit.
As you have a lot of UPS on your...
Mainly because it stops the plug from being fully inserted into the socket-outlet. TBH it makes no odds as the design of both plug and socket allow for a margin of error.
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