Re: [MBZ] Lift wiring

2021-11-29 Thread Jim Cathey via Mercedes
> The whole point of wire sizing and breaker sizing is to protect the circuit. 
> If it is overloaded, it is supposed to switch itself off.

Yes.  No wiring connected to a breaker should be unable to pop said breaker.
Else you have a fire hazard.  If your wall-mount cutoff switch has a 20A (say)
breaker function too, then you're OK.  (It's then functioning as a sub-panel.)

-- Jim


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Re: [MBZ] Lift wiring

2021-11-28 Thread Scott Ritchey via Mercedes
I probably don't understand the setup but Randy is correct in stating the 
breaker rating should not exceed the amp capacity of the wires.  In the US 
that's 15 amp-14 AWG, 20 amp-12 AWG, 30 amp-10 AWG, and 40 amp-8 AWG, and 55 
amp-6 AWG for normal copper NM cable.

-Original Message-
From: Mercedes On Behalf Of Randy Bennell via Mercedes
Sent: Sunday, November 28, 2021 8:00 PM
To: Kaleb Striplin via Mercedes 
Cc: Randy Bennell 
Subject: Re: [MBZ] Lift wiring

I am not an electrician but I don't think you should have the lift wiring on a 
50 amp circuit. The whole point of wire sizing and breaker sizing is to protect 
the circuit. If it is overloaded, it is supposed to switch itself off.

On 11/28/2021 3:22 PM, Kaleb Striplin via Mercedes wrote:
> Just finished up the wiring for both lifts. The alignment lift already has 
> the flex power cord type line. I think they call it SJ or something like 
> that. Decided to use that for the 2 post. Ran it up and over the rafters then 
> mounted a 60 amp disconnect on the wall in front of the lifts. Wired the 
> lifts to the breaker and 220 coming in from its distribution box. Not the 
> prettiest job but is safe and gets the job done. I will probably never need 
> to use that disconnect but it’s there just in case and provides a good way to 
> wire both together. In my situation I will never run both lifts at once so 
> can do a shared circuit. Really even with both running at once it would most 
> likely be fine as they require 20 amps and it’s on a 50 amp circuit. Or maybe 
> I will flip that disconnect off when the lifts are not in use as a safety 
> precaution.
>
> Next up is to fill op the hydraulic fluid and adjust the cables and it’s a 
> done deal. Will then get the alignment lift up and going as well. I may 
> finish this up today or might do it tomorrow.
>
>

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Re: [MBZ] Lift wiring

2021-11-28 Thread Randy Bennell via Mercedes
I am not an electrician but I don't think you should have the lift 
wiring on a 50 amp circuit. The whole point of wire sizing and breaker 
sizing is to protect the circuit. If it is overloaded, it is supposed to 
switch itself off.


On 11/28/2021 3:22 PM, Kaleb Striplin via Mercedes wrote:

Just finished up the wiring for both lifts. The alignment lift already has the 
flex power cord type line. I think they call it SJ or something like that. 
Decided to use that for the 2 post. Ran it up and over the rafters then mounted 
a 60 amp disconnect on the wall in front of the lifts. Wired the lifts to the 
breaker and 220 coming in from its distribution box. Not the prettiest job but 
is safe and gets the job done. I will probably never need to use that 
disconnect but it’s there just in case and provides a good way to wire both 
together. In my situation I will never run both lifts at once so can do a 
shared circuit. Really even with both running at once it would most likely be 
fine as they require 20 amps and it’s on a 50 amp circuit. Or maybe I will flip 
that disconnect off when the lifts are not in use as a safety precaution.

Next up is to fill op the hydraulic fluid and adjust the cables and it’s a done 
deal. Will then get the alignment lift up and going as well. I may finish this 
up today or might do it tomorrow.




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[MBZ] Lift wiring

2021-11-28 Thread Kaleb Striplin via Mercedes
Just finished up the wiring for both lifts. The alignment lift already has the 
flex power cord type line. I think they call it SJ or something like that. 
Decided to use that for the 2 post. Ran it up and over the rafters then mounted 
a 60 amp disconnect on the wall in front of the lifts. Wired the lifts to the 
breaker and 220 coming in from its distribution box. Not the prettiest job but 
is safe and gets the job done. I will probably never need to use that 
disconnect but it’s there just in case and provides a good way to wire both 
together. In my situation I will never run both lifts at once so can do a 
shared circuit. Really even with both running at once it would most likely be 
fine as they require 20 amps and it’s on a 50 amp circuit. Or maybe I will flip 
that disconnect off when the lifts are not in use as a safety precaution. 

Next up is to fill op the hydraulic fluid and adjust the cables and it’s a done 
deal. Will then get the alignment lift up and going as well. I may finish this 
up today or might do it tomorrow. 



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