Nec 358.26

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eryke

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Location
Los Angeles
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Electrician
Can a single bend be over 90 degrees per code? I don’t think it’s allowed based on the “equivalent to 4 1/4 bends” that it states. To me that means a single bend can not be more than 1/4 of 360 which is 90 degrees. All input is appreciated.
 
eryke said:
Can a single bend be over 90 degrees per code? I don’t think it’s allowed based on the “equivalent to 4 1/4 bends” that it states. To me that means a single bend can not be more than 1/4 of 360 which is 90 degrees. All input is appreciated.
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That was never the intent and the language is being changed for the 2023 code. The 2023 language in the xxx.24 sections will read:
The total degrees of bends in a conduit run shall exceed 360 degrees between pull points.
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Part of the substantiation for the removal of the "quarter bend" language from the rule was that some inspection authorities were prohibiting single bends that exceeded 90 degrees.
 
don_resqcapt19 said:
That was never the intent and the language is being changed for the 2023 code. The 2023 language in the xxx.24 sections will read:

Part of the substantiation for the removal of the "quarter bend" language from the rule was that some inspection authorities were prohibiting single bends that exceeded 90 degrees.
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Can we agree that the language, as it stands, limits a single bend to 90 degrees?
 
eryke said:
Can we agree that the language, as it stands, limits a single bend to 90 degrees?
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No, and an old ROP clears it up.

8- 219 - (345-11, 346-11): Reject



SUBMITTER:

Bruce Mitchell, Thornton, CO

RECOMMENDATION

Revise text to read as follows:
The cumulative total of all angles formed by bending of the
conduit between pull points (e.g. conduit bodies and boxes) shall
not exceed 360?.


SUBSTANTIATION:
Current language is imprecise and could be
interpreted as implying that any bend greater than a quarter (90?) is
not allowed.

PANEL ACTION:
Reject.

PANEL STATEMENT:
The existing text adequately explains the
requirements for conduit bends. Four quarter bends is used as an
example and does not limit the angle of any bend to 90 degrees or
less.

NUMBER OF PANEL MEMBERS ELIGIBLE TO VOTE:

14
VOTE ON PANEL ACTION:
AFFIRMATIVE: 13
NOT RETURNED: 1 Corry
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Roger
 
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