| Macerator Wiring [message #242457] |
Thu, 06 March 2014 08:34  |
mickey szilagyi
Messages: 273
Registered: January 2013
Karma: 0
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Getting ready to install a new macerator and the instructions call for #142.5 size for 10 to 25 feet. I see that's a marine size. Is that the same as 14 gage braided wire, like automotive wire?
We're also looking to use a 12V 20A toggle switch with a flip cover to prevent accidentally turning it on along with a push button reset 20 amp breaker.
It might get above freezing this weekend, WOW!
Thanks again as always.
Mickey
1977 Kingsley, 403, Lansing, MI
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| Re: Macerator Wiring [message #242471 is a reply to message #242457] |
Thu, 06 March 2014 10:21  |
mickey szilagyi
Messages: 273
Registered: January 2013
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Thanks Emery. We have some leftover 7 stand 12/2 gauge wire used for our well pump that should work just fine. I keep thinking 12V current doesn't need such a heavy wire but I'm guessing it's the amps rather than the volts that determines wire size? We use 12 gauge wire for our 20 amp house wiring. That makes more sense as the battery cables we use are quite heavy - high amps, still 12V.
Just don't want to do the macerator wiring twice.
Thanks again,
Mickey
1977 Kingsley, 403, Lansing, MI
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| Re: Macerator Wiring [message #242498 is a reply to message #242457] |
Thu, 06 March 2014 12:30 |
mickey szilagyi
Messages: 273
Registered: January 2013
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Thanks Bill,
I'm confused on the amp ratings of the switches. Is it necessary to have a switch rated at 20 amps since the circuit has a 20 amp breaker and the macerator calls for a 20 amp breaker and can possibly draw that much current. Or not.
Mickey
1977 Kingsley, 403, Lansing, MI
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| Re: [GMCnet] Macerator Wiring [message #242504 is a reply to message #242498] |
Thu, 06 March 2014 13:15 |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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That would be "Yes". The switch should be capable of breaking the rated current without damage.
--johnny
________________________________
From: Mickey Szilagyi <mickey@apex-internet.com>
To: gmclist@temp.gmcnet.org
Sent: Thursday, March 6, 2014 1:30 PM
Subject: Re: [GMCnet] Macerator Wiring
Thanks Bill,
I'm confused on the amp ratings of the switches. Is it necessary to have a switch rated at 20 amps since the circuit has a 20 amp breaker and the macerator calls for a 20 amp breaker and can possibly draw that much current. Or not.
--
Mickey
1977 Kingsley, 403, Lansing, MI
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Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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| Re: Macerator Wiring [message #242523 is a reply to message #242457] |
Thu, 06 March 2014 16:04 |
Carl S.
Messages: 4186
Registered: January 2009
Location: Tucson, AZ.
Karma: 13
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| mickey szilagyi wrote on Thu, 06 March 2014 07:34 |
Getting ready to install a new macerator and the instructions call for #142.5 size for 10 to 25 feet. I see that's a marine size. Is that the same as 14 gage braided wire, like automotive wire?
We're also looking to use a 12V 20A toggle switch with a flip cover to prevent accidentally turning it on along with a push button reset 20 amp breaker.
It might get above freezing this weekend, WOW!
Thanks again as always.
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My PO installed macerator is wired from the house battery (very short run) with 12g wire. It overheats and trips the self resetting circuit breaker sometimes on a hot day. I would do as Emery says and use the 10g wire.
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
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| Re: Macerator Wiring [message #242534 is a reply to message #242457] |
Thu, 06 March 2014 16:56 |
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WildBill
Messages: 232
Registered: January 2014
Karma: 1
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You can use a Double pole single throw switch. With the Honeywell its a 2TL1-2, http://sensing.honeywell.com/product%20page?pr_id=35722
That will get you a switch with 2 20 amp circuits that you can tie together for less voltage drop. Screws are tiny on these switches so I would probably Y 2 12 gauge from the switch to your 10 to the pump or use a 1TL1-2 and 16 or 18 gauge to switch a Cole Herse 24059 solenoid. http://www.colehersee.com/home/item/cat/167/24059/ Mount the solenoid big end down (Cole Herse recommendation, longer life, any evaporated copper falls to the big end and doesn't jam up the solenoid plunger) close enough so you can terminate the pumps original wiring to the 5/16" stud and run the 10 gauge to the solenoid hot. Mounting the solenoid to the frame or frame mounted bracket I would do a lug to one of the solenoid mount bolts and the original pump wiring ground on top of it. Dielectric grease because its a shitty environment even on the mount bracket bolts. The 10 gauge ground to the solenoid would act as a supplementary ground for other things that are grounded to the frame and thats "almost" never a bad thing. The 24059 solenoid has terminals for both sides of the solenoid coil so one of them needs to be grounded. Your choice on auto reset circuit breaker or manual reset. Manual reset holds rated load better over a lifetime than auto reset IMO. With 10 gauge short run from rear battery even 30 to 35 amp breaker should be safe. You should be able to hear if pump is jammed and not turning. Smaller breaker less chance of burning up the motor if jammed, I still think 3 position switch to reverse polarity to get pump to turn backwards and potentially clear jam but I'll have to buy one and take it apart before making that recommendation to anyone else.
The 2 switches listed above with the standard switch bat work with the switch covers in the previous posts.
[Updated on: Thu, 06 March 2014 17:01] Report message to a moderator |
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| Re: Macerator Wiring [message #242548 is a reply to message #242523] |
Thu, 06 March 2014 18:40 |
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Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
Karma: 7
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| Carl S. wrote on Thu, 06 March 2014 17:04 |
| mickey szilagyi wrote on Thu, 06 March 2014 07:34 |
Getting ready to install a new macerator and the instructions call for #142.5 size for 10 to 25 feet. I see that's a marine size. Is that the same as 14 gage braided wire, like automotive wire?
We're also looking to use a 12V 20A toggle switch with a flip cover to prevent accidentally turning it on along with a push button reset 20 amp breaker.
It might get above freezing this weekend, WOW!
Thanks again as always.
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My PO installed macerator is wired from the house battery (very short run) with 12g wire. It overheats and trips the self resetting circuit breaker sometimes on a hot day. I would do as Emery says and use the 10g wire.
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Mikey,
Last year I only did a couple of wiring jobs. I used to do several K$ in billing just for wiring jobs. I don't usually charge a lot for the labor and the cost of the copper still doesn't amount to all that much. And, as I usually remark to the owner, "You only have to buy the copper once and after that it pays you back=k in the trouble you avoid.
So, for nominal motor load of 20 amps, run #10 you won't regret it.
Matt sitting a tip
Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
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