What factor might make a 120/208 V 3-phase 4-wire system more economical than a 120/240 V single-phase 3-wire system?
A) The 120/240 V system requires larger neutrals.
B) The neutral can serve up to 3 single-phase loads.
C) Most equipment is designed for 208 V.
B) The neutral can serve up to 3 single-phase loads.
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a. plus b. multiplication c. division d. minus
____ work(s) by blocking insects’ air intake
a. Horticultural oils c. Pesticides b. Insecticidal soaps d. Rubbing alcohol
All of the following statements are correct EXCEPT ________
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A) Technician A only B) Technician B only C) Both technicians D) Neither technician