Surge protective device - Study guides, Study notes & Summaries

S12 SPRINKLER TEST, S13 STANDPIPE TEST, SPRINKLERS WITH ALL 400 QUESTIONS AND VERIFIED CORRECT ANSWERS NEWEST TOP VERSION WITH PROFESSIONALS EVALUATION|NEW AND ADVANCED fire pump - ANSWER- a provider of liquid flow and pressure dedicated to fire protection. A fire pump is a part of a fire sprinklers system water supply and can be powered by electric, diesel or steam. connected to public water source or tank. provides higher pressure to sprinkler system Glass bulb sprinkler - ANSWER- op...

Journeyman Electrician Exam 4 - Q & A When grounding the structural reinforcing steel of a swimming pool, what is the smallest size grounding conductor permitted for this installation? a) 12 AWG b) 10 AWG c) 8 AWG d) 6 AWG Ref: 680.26(B)(1)(a) and (b) A surge-protective device (SPD) is a protective device for _____. a) limiting transient voltage by diverting or limiting surge current b) limiting transient voltage by absorbing and storing excessive surge current c) switching transient voltage b...

JOURNEYMAN CLOSED BOOK # 11 Exam 2024 A -Answer-A ____ is a protective device for limiting surge voltages by discharging or bypassing surge current, and it also prevents continued flow of follow current while remaining capable of repeating these functions. a. Surge arrester b. Automatic fuse c. Fuse d. Circuit breaker B -Answer-A _____ conductor is one having one or more layers of non-conducting materials that are not recognized as insulation. a. Bare b. Covered c. Insulated d. Wrap...

Orientation and mobility study guide (Domain 7 mobility skills) Tommie Exam Questions Current Verified Answers New Update Teaching situation of uncertainty. - Answers - You need to be able to recognize the situations of uncertainty. Should know how to ascertain the level of risk involved in crossing during the gaps in traffic. The risk that a vehicle which is undetected when the crossing was started will reach the crosswalk before crossing is completed Technique for crossing at an uncont...

Journeyman Electrician Exam 3 2024 Questions and Answers Where a water pipe passes over an indoor motor control center, leak protection apparatus shall have a MINIMUM clearance of _____. a) 6 feet to the protection apparatus b) 6 feet to the water pipe c) 6 1⁄2 feet to the protection apparatus d) 6 1⁄2 feet to the water pipe -Answer-A: 6 feet to the protection apparatus Ref: 110.26(F)(1)(a) Branch circuit grounded conductors that are not connected to an overcurrent device shall be ...

1. A ____ is a protective device for limiting surge voltages by discharging or bypassing surge current, and it also prevents continued flow of follow current while remaining capable of repeating these functions. a. Surge arrester b. Automatic fuse c. Fuse d. Circuit breaker - Answer-A 2. A _____ conductor is one having one or more layers of non-conducting materials that are not recognized as insulation. a. Bare b. Covered c. Insulated d. Wrapped - Answer-B 3. In a DC circuit...

Journeyman Electrician CH #4 Assessment Test Questions and Answers Class 3 single-conductors shall NOT be smaller than _____. a) 18 AWG b) 16 AWG c) 14 AWG d) 20 AWG - Answer-A: 18 AWG Ref: 725.179(H) Given: an office building has a 208Y/120 volt, three-phase service with a balanced net computed load of 90 kVA. What is the current each ungrounded conductor carries at full load? a) 188 amperes b) 250 amperes c) 433 amperes d) 750 amperes - Answer-B: 250 amperes Ref: Trade an...

Field tech 2-3 Final Exam 2024 Questions and Answers What is unique about WDM - PON ? - Answer ️️ -WDM-PON deployed in a greenfield system allows each subscriber to get their own designated wavelength. What is the main benefit of deploying WDM technology? - Answer ️️ -It will increase the capacity of the existing fiber networks tenfold without adding any more fiber. How are optical splitters used in the forward path? - Answer ️️ -As passive branching devices that divide an opti...

Field tech 2-3 Final Exam 2024 Questions and Answers What is unique about WDM - PON ? - Answer ️️ -WDM-PON deployed in a greenfield system allows each subscriber to get their own designated wavelength. What is the main benefit of deploying WDM technology? - Answer ️️ -It will increase the capacity of the existing fiber networks tenfold without adding any more fiber. How are optical splitters used in the forward path? - Answer ️️ -As passive branching devices that divide an opti...

Type ____ is multiconductor cable identified for use as underground service entrance cable. - Type USE cable Knife switch rated for more than 1200 Amps at 250Volts or less - Can be used only as isolating switch, shall not be opened under load Track lighting with outlets in a bathroom is not allowed because ? - Track lighting has receptacle Where internal combustion engines are used as the prime motor, an on site fuel supply shall be provided with an on premise fuel supply sufficient for n...