[Gllug] OT: Merging UPS outputs

[John Winters]

On Sun, 2005-08-21 at 14:51 +0100, Alain Williams wrote:
[snip]
> * Earth & return wires mixed up

In a modern electrical installation, this one will make itself felt
immediately because the appliance will simply not work.  Further, as
soon as it's turned on (or even just plugged in) the electrical supply
to the whole house will be cut of by the RCD.

> * Cord grip tightened on the electrical inner wires, not the outer sleeving

Horribly common.  How many people however know to leave some slack on
the earth wire and none on the live wire when wiring a plug.  That way
if the grip does work loose and the wires start pulling out, the live
wire comes out first rendering things (relatively) safe.

John

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