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the ceiling, thus causing the mason to wait while the
electrician completes each conduit extension.
b. Installing a box with 4 - 5 feet length of rigid conduit
then returning when the mason is up to the height of
the conduit with another piece of rigid conduit with a
coupling to attach, then again returning before the last
course is installed to install the 90˚ elbow.
Working with other trades is easier when using
ENT rather than coming back at least twice to
finish your work.
3. BETWEEN A PANEL AND A BOX, HOW MANY
BENDS CAN I MAKE IN A LENGTH OF ENT?
You are allowed four 90˚ bends or the equivalent of 360˚
total (see NEC Section 362.26, Section 10 of this manual.)
4. SINCE ENT IS MADE WITH A NONCONDUCTING
MATERIAL, DO I NEED AN EQUIPMENT
GROUND?
Where equipment grounding is required, a separate
equipment grounding conductor shall be installed in the
raceway (see NEC Article 250, for ground conductor size
see Section 9, Table 9-8 of this manual.)