disco

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normbac

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Is there a general rule on requirement to install a disco or not
for instance if an ac condensor is two foot from a panel, can panel be used as disco (non fuse requirement)
208 3 phase 30a water heater is 12 feet from visible panel, is disco required?
I am not clear on why some things require and others do not any easy way to know without reading codes in detail TIA
 
iwire said:
A disconnecting means must be within sight and no more then 50' away.
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So a breaker is considered a means of disco i get it, but what is the rule of thumb for what requires a disco
 
Norm, your question really is "May the OCPD be the disconnect, or is a separate disco required?"

The answer is that the OCPD may be the disco, as long as it meets the requirements of the disco.
 
celtic said:
Have you checked 440.12(D) ['05]

IMHO, these are not "rules of thumb".
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it is not ac units in general I am talking about 240 volt & up compressors, water heaters, ac condensors etc is there a reason for some requiring a disco and some not? sorry for the confusion TIA
 
LarryFine said:
Norm, your question really is "May the OCPD be the disconnect, or is a separate disco required?"

The answer is that the OCPD may be the disco, as long as it meets the requirements of the disco.
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Yes that was part of my question Thanks
 
normbac said:
ovens, stove tops, insta hot water heater, I am not refering to the ocpd
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Do they have ON/OFF switches?
Cord connections?

These are appliances....check Part III of 422 [starting at 422.30 ~ '05]
 
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