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Old 11-30-2007, 08:26 AM   #1
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Which type of Armored cable.


Hi guys,
I have a piece of bx cable about 2ft long that needs to be changed on the side of my boiler. It's a steam boiler and I beleive it goes to one of the controls. Is this 18/4 ARMORED CABLE ?? Its very thin compare to the regular 12/2 bx, about half the size.

Thanks

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Old 11-30-2007, 11:18 AM   #2
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Which type of Armored cable.


If you need four wires then 12/2 is not going to work.
Buy a length of flexible metalic tubing (flex) at the store, and two connectors. Buy the 4 wires long enough to reach on both ends.
If you cannot find the right color wires that are existing, just buy one color and mark them 1-4. Make a note of where they terminate on each end and assign the numbers to the colors. Connect.

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Old 11-30-2007, 11:28 AM   #3
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Which type of Armored cable.


JV, the armored cable is about half the size of regular armored cable. I was wondering if it was 18/2? It's 2 wires inside an armored aluminum, and the size of the armored (metal on the outside of the cable) is about half the size of regular bx . It's used for the boiler control on the side of the boiler.
Thanks
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Old 11-30-2007, 03:24 PM   #4
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Which type of Armored cable.


i am very seriously doubt that it have 18 awg conductors inside the AC cable at all.

is is a actaul power cable or a control cable ? it wil make the diffrence there.

if one of the control cable they are typically are low voltage cables type but without seeing that unit it hard to say if have wired for low voltage or line voltage contol there.

i know most hot water but for sure steam boilers do have low water level cutoff switch that is typically a line voltage set up what it do when the water get too low it will shut off the power to burner[s] and the water pump if have it too.

the other place you can check it out is the HVAC repair shop i think they will stock some oddball cables on hand.

Merci, Marc
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Old 12-01-2007, 09:04 PM   #5
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Which type of Armored cable.


Hi, and thanks. I took the cable out of the bx, and it was 18 guage wire . I replaced it with 12/2 bx, and its working fine.
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