A metallic conduit run crosses a structural joint designed for movement. Which approach addresses the movement and grounding path?
- ARigidly bridge the joint with an ordinary coupling regardless of movement.
- BLeave the conduit disconnected across the joint.
- CAssume all expansion fittings have identical internal bonding provisions.
- Select a suitable expansion/deflection fitting and maintain grounding continuity according to its instructions.
Where to look it up
https://www.eaton.com/content/dam/eaton/products/conduit-cable-and-wire-management/crouse-hinds/literature/crouse-hinds-conduit-expansion-deflection-brochure.pdf
Why D is correct
Eaton describes movement fittings for structural joints. Its product variants have different bonding provisions, so verify the selected fitting rather than universally requiring or omitting an external jumper.