Copyright 2005 Ted "Smitty" Smith Two Minute Drill Number Three Improving your skill in code Look Up Increasing Speed Drill
Copyright 2005 Ted "Smitty" Smith Directions Left click on the presentation ICON located at the bottom of the slide directory to the left of the this slide. Each slide will transition to the correct answer automatically in 2:00 minutes. The correct answer will transition in 15 seconds. As you progress through the slide show, the time for each question will be reduced. Write down the correct answer to each question and the code reference as it is displayed so you can review them later. Good luck
Copyright 2005 Ted "Smitty" Smith Equipment Use Luminaires marked suitable for Damp locations _______________ be used in a wet location.
Copyright 2005 Ted "Smitty" Smith Equipment Use cannot 410.4(A)
Copyright 2005 Ted "Smitty" Smith Equipment Use Metal poles used for the support of luminaires shall be bonded to a(n) ___________________.
Copyright 2005 Ted "Smitty" Smith Equipment use equipment grounding conductor (B)(5)
Copyright 2005 Ted "Smitty" Smith Equipment Use Water heaters having a capacity of __________________ gallons or less shall have a branch circuit rating not less than 125% of the nameplate rating of the water heater.
Copyright 2005 Ted "Smitty" Smith Equipment Use
Copyright 2005 Ted "Smitty" Smith Equipment Use Resistance type heating elements in electric space heating equipment shall be protected at not more than __________________.
Copyright 2005 Ted "Smitty" Smith Equipment Use 60A (B)
Copyright 2005 Ted "Smitty" Smith Equipment Use A heating panel is a complete assembly provided with a junction box or a length of flexible conduit for connection to a(n) __________________________.
Copyright 2005 Ted "Smitty" Smith Equipment Use branch circuit
Copyright 2005 Ted "Smitty" Smith Grounding Sheet metals screws shall not be used to connect grounding conductors or _______________ to enclosures as applied to grounding requirements.
Copyright 2005 Ted "Smitty" Smith Grounding connection devices 250.8
Copyright 2005 Ted "Smitty" Smith Grounding What is the minimum sized grounding electrode required for a service that is supplied by (4) parallel runs of 500 kCMIL service entrance conductors? The conductors are copper and the grounding electrode conductor will also be copper.
Copyright 2005 Ted "Smitty" Smith Grounding 3/0 Table
Copyright 2005 Ted "Smitty" Smith Grounding What is the minimum sized main bonding jumper that can be used for a service that is supplied by (4) parallel runs of 500 kCMIL service entrance conductors? The service entrance conductors are copper.
Copyright 2005 Ted "Smitty" Smith Grounding 250 kCMIL (D) and Table 8 for circular mills
Copyright 2005 Ted "Smitty" Smith Grounding What is the minimum sized equipment grounding conductor that is required for a circuit that is protected by a 50 ampere overcurrent protective device if the ungrounded conductors are increased in size from a number 6 AWG, THHN to a number 2 AWG, THHN? All conductors are copper.
Copyright 2005 Ted "Smitty" Smith Grounding 4 AWG (B) and Table 8 for circular mills
Copyright 2005 Ted "Smitty" Smith Grounding A junction box that is 18" x 18" x 6" that has two 1 1/2" EMT conduits entering and exiting through concentric knockouts and the conduits contain conductor that are number 4 AWG, THHN must be equipped with grounding bushings, threaded bosses or bonding lock nuts to accommodate the bonding and continuity requirements of article 250 of the NEC. The circuits in the junction box are operating at 208 volts, three-phase. True or False
Copyright 2005 Ted "Smitty" Smith Grounding False and would only be required if circuits were operating at more than 250 volts to ground.
Copyright 2005 Ted "Smitty" Smith Equipment Use An emergency system shall be suitable for the ___________________ available fault current at its terminals.
Copyright 2005 Ted "Smitty" Smith Equipment Use Maximum 700.5
Copyright 2005 Ted "Smitty" Smith Grounding When grounding the outer conductive shield of a coaxial cable the maximum sized ground required shall be ______________ AWG copper
Copyright 2005 Ted "Smitty" Smith Grounding (A)(3)
Copyright 2005 Ted "Smitty" Smith Feeders and Branch Circuits Class I power limited circuits are allowed to occupy the same cable, enclosure, or raceway as power supply circuits only where ________________________________.
Copyright 2005 Ted "Smitty" Smith Feeders and Branch Circuits The equipment powered is functionally associated (B)(1)
Copyright 2005 Ted "Smitty" Smith Equipment Use Fuel cell systems used as a source of power for legally required stand by systems shall be of suitable rating and capacity to supply and maintain the total load for not less than ____________ of full demand operation.
Copyright 2005 Ted "Smitty" Smith Equipment Use 2 hour
Copyright 2005 Ted "Smitty" Smith Equipment Use Where practicable a separation of at least _____________ meters shall be maintained between communications wires and cables on buildings and lightning conductors.
Copyright 2005 Ted "Smitty" Smith Equipment Use
Copyright 2005 Ted "Smitty" Smith Equipment Use The width of working space in front of the electric equipment shall be the width of the equipment or ____________mm (______ inches), whichever is greater. In all cases, the work space shall permit at least a 90 degree opening of the equipment doors or hinged panels. This question refers to 480 V equipment.
Copyright 2005 Ted "Smitty" Smith Equipment Use 750, (A)(2)
Copyright 2005 Ted "Smitty" Smith Equipment Use In all tunnels containing high-voltage mobile electric equipment the electrical controls for the ventilation system shall be arranged so that the airflow can be reversed. True or False
Copyright 2005 Ted "Smitty" Smith Equipment Use True (A) and
Copyright 2005 Ted "Smitty" Smith Equipment Use Switchboards and Panel boards that are likely to require examination, adjusting, servicing or maintenance while energized shall be field marked to warn qualified persons of potential _________________ hazards.
Copyright 2005 Ted "Smitty" Smith Equipment Use Arc Flash
Copyright 2005 Ted "Smitty" Smith Conductors and Cable Assemblies If the temperature limitations of equipment is not known and the equipment is rated at 100 amperes, then the ampacity of THHN wire connected to a 75 degree C circuit breaker must have the ampacity based upon the ________ degree C ampacity of the conductor sized used.
Copyright 2005 Ted "Smitty" Smith Conductors and Cable Assemblies 60C (C)(1)(a)(2)
Copyright 2005 Ted "Smitty" Smith Conductors and Cable Assemblies A 208V three-phase circuit is present in a junction box. A neutral conductor is also present in the junction box. The system is fed by a four wire, delta connected system. Can the standard Black, Red, Blue color coding be used on the ungrounded conductors in this case?
Copyright 2005 Ted "Smitty" Smith Conductor and Cable Assemblies No