Which of the following locations is not permitted to be used to connect the grounding electrode at the service equipment?
A. At the weatherhead where the service drop is connected to the service-entrance
conductors
B. In the meter socket enclosure supplied by an underground service lateral
C. In a wireway from the metering equipment to the service equipment
D. In a feeder panel if immediately adjacent to the service equipment
D. In a feeder panel if immediately adjacent to the service equipment
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Technician A says that the Siemens HEUI is equipped with an ON coil and OFF coil arranged on either side of the actuator spool. Technician B says that when the Siemens HEUI ON coil is energized, actuation oil is vented from the HEUI actuation circuit. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
The LAF sensor is capable of measuring air-fuel ratios as lean as ________
A) 14.7:1 B) 30:1 C) 25:1 D) 12:1
Which of the following are unsafe practices that should be avoided when using a ladder?
A. Don't lean a ladder against a unstable surface. B. Don't rig a makeshift ladder. C. Don't carry tool in your hands while climbing a ladder. D. All of the above.
When a compressor is replaced, it is a good practice to also replace the ______________
A) TXV B) OT C) Receiver-drier or accumulator D) Both A and B