Grounding conductor - Study guides, Class notes & Summaries

A ? is defined as the circuit conductors between the final overcurrent device protecting the circuit and the outlet(s). - Answer-branch circuit A ? includes all circuit conductors between the service equipment, the source of a separately derived system, or other power supply source, and the final branch-circuit overcurrent device. - Answer-feeder A grounding electrode system is generally required for each building or structure served by a feeder. - Answer-True According to the NEC, that...

Voice Data Video (VDV) Practice Test (Help Prepare for the VDV) Questions and Answers 100% CorrectVoice Data Video (VDV) Practice Test (Help Prepare for the VDV) Questions and Answers 100% CorrectVoice Data Video (VDV) Practice Test (Help Prepare for the VDV) Questions and Answers 100% CorrectVoice Data Video (VDV) Practice Test (Help Prepare for the VDV) Questions and Answers 100% Correct The cable voltage ratings on communications wires and cables ____________ be marked on the cable or on t...

What is the minimum working clearance from an electrical panel under 600 V? - ANSWERS36" Voltage drop in wire is a function of: - ANSWERSWire gauge, Length of wire, Current flow in the wire A 12-volt direct current, 13-watt fluorescent light is controlled by a photocell. The average daily on-time is 12 hours per day. How many watt-hours are consumed by the light on an average day? - ANSWERS156 Where may you use nonmetallic-sheathed cable? - ANSWERSinside floors and walls What is the...

The minimum size equipment grounding conductor for a 100 ampere, 120/240 volt single phase underground dwelling feeder whose ungrounded conductors have been increased in size from 3 AWG copper to 1 AWG copper is __ AWG copper Ampacities, Grounding 250.122(B) Table 250.122 Table 8 Ch 9 - ANSWER 4 The continuity of the grounded conductor shall depend on a busbar or __ only. Continuity, Grounded conductors 200.12 - ANSWER wire. Each multi-wire branch circuit shall be provided with...

What is the minimum working clearance from an electrical panel under 600 V? - 36" Voltage drop in wire is a function of: - Wire gauge, Length of wire, Current flow in the wire A 12-volt direct current, 13-watt fluorescent light is controlled by a photocell. The average daily on-time is 12 hours per day. How many watt-hours are consumed by the light on an average day? - 156 Where may you use nonmetallic-sheathed cable? - inside floors and walls What is the maximum permitted distance betwe...

Voice Data Video (VDV) Practice Test Questions with Correct Answers The cable voltage ratings on communications wires and cables ____________ be marked on the cable or on the under carpet communications wire. a. must b. must not c. shall d. shall not - Correct Answer d. shall not REF: [NEC] 800.179 What is the smallest size grounding conductor that can be used for a CATV system? a. 18 AWG b. 14 AWG c. 12 AWG d. 6 AWG - Correct Answer b. 14 AWG REF: [NEC] 820.100(A)(3) Wh...

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IEC Year 1 Final Exam Tested Questions & Revised Correct Answers 1) To minimize conductor insulation damage and arcing damage to electrical equipment during a ground fault or a short circuit, ___ should be minimized. Select one: a. time duration of the fault b. ampere level of the fault current c. both a and b d. neither a nor b - ANSWER time duration of the fault 2) Article ___ in the NEC® covers grounding and bonding of electrical systems. Select one: a.422...

BICSI - Installer 1 – Exam Review | 120 Questions | 100% Correct Answers B A third 90-degree bend may be permitted in a conduit run if the run does NOT exceed ______? A 5 m (16.5') B 10 m (33') C 15 m (50') D 30 m (100') C Which of the following is a property of an electromagnetic field built around a conductor that opposes any changes in current flow in a circuit? A Impedance B Capacitance C Inductance D Resistance A Which of the following markings is used for no...

The mission of the Occupational Safety and Health Administration (OSHA) is: To send every worker home whole and healthy every day Electricity travels in closed circuits, and its normal route is through a conductor. Electric shock occurs when: Your body becomes part of the circuit Workers need to take which of the following common-sense steps to protect themselves from falls through skylights and roof and floor openings? -- Never sit on, lean against, or step on a skylight lens o...