[Shop-talk] Electrical safety question (and Alaska local question)

[Mark Andy]

Howdy,

If I'm reading it correctly, you're doing basically what lots of motorhomes
do.  Ours has a 240v 50A power connection.  There are no 240vac loads in
the coach.  Adapters are used to combine the 240vac hot legs together,
sharing a common neutral and ground, to enable you to plug into a 110vac
line.  That means that in the coach what were separate 110vac runs now
share a common hot wire, but aside from that combining those loads on the
supply circuit (which almost certainly means there's less power available),
there's no negative effect.

Mark


On Thu, Jul 24, 2014 at 9:26 AM, <eric at megageek.com> wrote:

> OK, so I picked up a used 'construction office' trailer this weekend.  The
> idea for me is to use it as a mobile studio for the SO to paint and do
> other crafts.
>
> The trailer was already wired for 240v.  Inside the trailer each leg
> becomes a separate 15 amp circuit (on their own breaker.)
>
> Here is what I did temporarily to get power to the trailer (and what I
> want to do permanently if it is safe.)
>
> I spliced the 240v line into two separate 120 volt lines.  (splitting the
> common and ground into each plug.)
>
> This way, I just need to plug both plugs into a duplex receptacle (much
> more common) and I don't need to have a dedicated 240v outlet to use the
> trailer.
>
> There are no 240v circuits inside the trailer that would require 2
> separate 'legs'.
>
> Is this safe?  (or 'safe enough')
>
> The power is just for the lights, and a fan, radio, glue gun or something
> like that.  I'm not running any heavy duty equipment from it.  (I may add
> a TV or video game cabinet at some point.)
>
> Am I crazy?
>
> Side note-  I'll be in Anchorage, AK next week.  Anyone here up in that
> part of the woods?  I'll buy lunch.
>
> Eric P
> "Be as beneficent as the sun or the sea, but if your rights as a rational
> being are trenched on, die on the first inch of your territory." Ralph
> Waldo Emerson
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