Which of the following is not permitted for the bonding required by 250.97?
A. Threadless couplings and connectors for cables with metal sheaths
B. Two locknuts, on rigid metal conduit or intermediate metal conduit, one inside and one
outside of boxes and cabinets
C. Fittings with shoulders that seat firmly against the box or cabinet, with one locknut on
the inside of boxes and cabinets
D. One locknut outside the enclosure and one metal bushing inside the enclosure for rigid
metal conduit or intermediate metal conduit
D. One locknut outside the enclosure and one metal bushing inside the enclosure for rigid
metal conduit or intermediate metal conduit
You might also like to view...
Use the data provided in Problem 9-16 to estimate the ATS in each direction. Base free flow speed: 55 mi/h; lane width: 11 ft; shoulder width: 3 ft; access points per mile: 15.
What will be an ideal response?
Most diseases and ailments that affect humans can also afflict dogs and cats
A. True B. False
Which of these causes primary vibration?
A) Pistons B) Flywheel C) Harmonic balancer D) Flexplate
The welded metal bellows seal uses a bellows instead of _____
a. springs b. seal faces c. centering tabs d. O-rings