1. Which of the following statements about the use of structural steel as an EGC in an AC system is correct?

A. Structural steel must have an EGC bonding jumper every three feet of structure.

B. Structural steel can be used as an EGC when it's bonded at both ends.

C. Structural steel is not allowed for use as an EGC.

D. Structural steel can be used as an EGC bonding jumper between panelboards.

2. Which of the following statements about the wiring for a panelboard at the load side of the service equipment is correct?

A. The neutral conductor must remain isolated from the enclosure.

B. The EGC must be isolated from the bus bar in the enclosure.

C. The non-grounded conductors should enter in separate conduits.

D. A new grounding electrode conductor is required.

3. An automatic switch or cutout is not allowed in the EGC circuit unless

A. it's bonded around the disconnecting device.

B. there's a redundant EGC in the circuit.

C. it also opens the neutral.

D. the disconnecting means also opens all conductors.

4. If a grounded surface metal box makes direct contact with the mounting strap for a switch or receptacle, then the

A. device must be protected with a GFCI device.

B. neutral conductor will operate as the EGC.

C. bonding jumper is not required.

D. bonding jumper can be undersized.

5. Imagine that your foreman asks you to locate the isolated receptacle within a group of receptacles. How would you identify the isolated receptacle?

A. The receptacle will be orange or have an orange triangle on it.

B. The word "isolated" will appear on the receptacle.

C. The receptacle will be green.

D. The words "externally grounded" will appear on the center of the receptacle.