Jameshucks
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- Location
- Horry county
will code allow me to use thin line breakers if so is it a good ting to do?:?
Welcome :thumbsup:will code allow me to use thin line breakers if so is it a good ting to do?:?
Welcome :thumbsup:
I think the non-slang term is tandem breakers.
I have heard them called tandem, Piggy back (Sq. D), & twins.
Ever since the development of class CTL breakers 30 to 40 years ago you can not plug a class CTL breaker in a slot not designed to accept it - without modifying the breaker to defeat the rejection feature built into it. There are however still non-CTL breakers out there that will plug into any slot in the panel - but at very least by doing so you are violating listing instructions unless you are using it as a replacement for a previously allowed non CTL assembly.will code allow me to use thin line breakers if so is it a good ting to do?:?
Tandem breakers can be a life saver when you have a already full panel. GE & SQ D both utilize features on their breakers that limit where in the panel you can install them. SQ D also has a selection of tandem breakers without the "hook".
To me the first two images are twin breakers, the third shows a tandem breaker.
The first and last images are both QO series, but the last image is an older version. Square D has named both of them "tandem" type breakers in catalogs and application data on panel labels as well.
I don't know off hand what Eaton/Cutler Hammer addresses their version as.
Eaton C/H designates them as twins. I've noticed that counter guys at supply houses that distribute Square D tend to give me blank stares when I ask for a twin breaker. I guess that's the effect of training I think Siemens also uses "twin" but I'm not sure about the GE type that have that form factor but can actually hook onto both legs and be used as a 240V breaker in certain panels.
I seem to recall GE addressing them as 1/2 inch and 1 inch wide breakers and not so much as twins or tandems.
I think you're right and I was confused. I don't see many GE panels, but now I remember that they make 1" two-pole breakers for that series. That series always throws me off because you can use 1/2" single poles, 1" single poles, 1" double poles and 2" double poles. Goofy.
I call all of them "space savers"........because they are.