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> On Sep 27, 2022, at 19:12, gsteve@hammatt.com wrote:
>=20
> =EF=BB=BF
> Present conditions (shop electrical, all recently installed by certified e=
lectrician):
> I have a 220V/1phase 20A per leg circuit going to a small davit crane moun=
ted
> on the top if my office, inside my shop. Used occasionally to lift light l=
oads for storage.
> Desire: convert an adjacent 110V 15A quadplex outlets box to one duplex o=
utlet
> remaining 15A while splitting the remaining duplex outlet to 2ea outlets, 2=
0A each.
> In other words, splitting power off the 220V/20A circuit into 2 individual=
outlets,
> 110V/20A (utilizing sides A and B from the 220V source).
> Here=E2=80=99s the other situation, I want to insert a rotary switch A-OFF=
-B to switch between
> Using ONLY the 220V circuit OR the 110V circuits.
> Anyone have recommendations as to a recommended rotary chang over switch?
> =20
> Does this make sense? I=E2=80=99m sorry I=E2=80=99m not familiar with the=
correct terminology here, but
> I hope I=E2=80=99m making some sense.
> =20
I understand what you want to do. I have no idea why you want to. Assuming=
you have a three wire (plus ground, but I=E2=80=99ll ignore ground) circuit=
to your crqne, you simply extend it to your other box. Break the tab on the=
hot side of the outlet, land one leg to each hot screw, neutral to the othe=
r side. Done. The breaker will take care of overload, it will trip both leg=
s, even if only one is overloaded.=20
Th=C3=A9 problem you are likely to have is you have no neutral at your crane=
, because most motor loads don=E2=80=99t need one. If you have conduit, add=
ing one is possible and maybe easy. If you don=E2=80=99t, you need to pull a=
new circuit. In that cas probably don=E2=80=99t need to share with the cra=
ne.=20
> Steve Hammatt
> Mount Vernon WA USA
> LeatherPlates.com
> =20
> =20
> _______________________________________________
>=20
> Shop-talk@autox.team.net
> Donate: http://www.team.net/donate.html
> Suggested annual donation $12.96
> Archive: http://www.team.net/pipermail/shop-talk http://autox.team.net/arc=
hive
>=20
> Unsubscribe/Manage: http://autox.team.net/mailman/options/shop-talk/dmsche=
idt@gmail.com
>=20
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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto"><div dir=3D"ltr"></div><div dir=3D"ltr"><br=
></div><div dir=3D"ltr"><br><blockquote type=3D"cite">On Sep 27, 2022, at 19=
:12, gsteve@hammatt.com wrote:<br><br></blockquote></div><blockquote type=3D=
"cite"><div dir=3D"ltr">=EF=BB=BF<meta http-equiv=3D"Content-Type" content=3D=
"text/html; charset=3Dus-ascii"><meta name=3D"Generator" content=3D"Microsof=
t Word 15 (filtered medium)"><style>@font-face { font-family: "Cambria Math"=
; }
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t-family: Calibri, sans-serif; }
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<o:idmap v:ext=3D"edit" data=3D"1" />
</o:shapelayout></xml><![endif]--><div class=3D"WordSection1"><p class=3D"Ms=
oNormal">Present conditions (shop electrical, all recently installed by cert=
ified electrician):<o:p></o:p></p><p class=3D"MsoNormal">I have a 220V/1phas=
e 20A per leg circuit going to a small davit crane mounted <o:p></o:p></p><p=
class=3D"MsoNormal">on the top if my office, inside my shop. Used occ=
asionally to lift light loads for storage.<o:p></o:p></p><p class=3D"MsoNorm=
al">Desire: convert an adjacent 110V 15A quadplex outlets box to one d=
uplex outlet <o:p></o:p></p><p class=3D"MsoNormal">remaining 15A while split=
ting the remaining duplex outlet to 2ea outlets, 20A each. <o:p></o:p></p><p=
class=3D"MsoNormal">In other words, splitting power off the 220V/20A circui=
t into 2 individual outlets, <o:p></o:p></p><p class=3D"MsoNormal">110V/20A (=
utilizing sides A and B from the 220V source).<o:p></o:p></p><p class=3D"Mso=
Normal">Here=E2=80=99s the other situation, I want to insert a rotary switch=
A-OFF-B to switch between <o:p></o:p></p><p class=3D"MsoNormal">Using ONLY t=
he 220V circuit OR the 110V circuits.<o:p></o:p></p><p class=3D"MsoNormal">A=
nyone have recommendations as to a recommended rotary chang over switch?<o:p=
></o:p></p><p class=3D"MsoNormal"><o:p> </o:p></p><p class=3D"MsoNormal=
">Does this make sense? I=E2=80=99m sorry I=E2=80=99m not familiar wit=
h the correct terminology here, but <o:p></o:p></p><p class=3D"MsoNormal">I h=
ope I=E2=80=99m making some sense. <o:p></o:p></p><p class=3D"MsoNormal"><o:=
p> </o:p></p></div></div></blockquote><div><br></div>I understand what y=
ou want to do. I have no idea why you want to. Assuming you have a th=
ree wire (plus ground, but I=E2=80=99ll ignore ground) circuit to your crqne=
, you simply extend it to your other box. Break the tab on the hot side of t=
he outlet, land one leg to each hot screw, neutral to the other side. =
Done. The breaker will take care of overload, it will trip both legs, even i=
f only one is overloaded. <div><br></div><div>Th=C3=A9 problem you are l=
ikely to have is you have no neutral at your crane, because most motor loads=
don=E2=80=99t need one. If you have conduit, adding one is possible a=
nd maybe easy. If you don=E2=80=99t, you need to pull a new circuit. I=
n that cas probably don=E2=80=99t need to share with the crane. <br><di=
v><br></div><div><br></div><div><br><blockquote type=3D"cite"><div dir=3D"lt=
r"><div class=3D"WordSection1"><p class=3D"MsoNormal">Steve Hammatt<o:p></o:=
p></p><p class=3D"MsoNormal">Mount Vernon WA USA<o:p></o:p></p><p class=3D"M=
soNormal"><a href=3D"https://leatherplates.com/";>LeatherPlates.com</a><o:p><=
/o:p></p><p class=3D"MsoNormal"><o:p> </o:p></p><p class=3D"MsoNormal">=
<o:p> </o:p></p></div><span>___________________________________________=
____</span><br><span></span><br><span>Shop-talk@autox.team.net</span><br><sp=
an>Donate: http://www.team.net/donate.html</span><br><span>Suggested annual d=
onation $12.96</span><br><span>Archive: http://www.team.net/pipermail/=
shop-talk http://autox.team.net/archive</span><br><span></span><br><span>Uns=
ubscribe/Manage: http://autox.team.net/mailman/options/shop-talk/dmscheidt@g=
mail.com</span><br><span></span><br></div></blockquote></div></div></body></=
html>=
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_______________________________________________
Shop-talk@autox.team.net
Archive: http://www.team.net/pipermail/shop-talk http://autox.team.net/archive
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