Josh's IEC Exam Year #1 Semester #1 Exam Questions With 100% Correct Answers | Graded A+ | Latest Update 2026

Josh's IEC Exam Year #1 Semester #1 Exam Questions With 100% Correct Answers | Graded A+ | Latest Update 2026 for fasteners that are designed to be countersunk, the length is determined by the distance from the end of the fastener to the _____________________________ - answer-the top of the head a 1/4 - 28 x 3!/2 machine screw has ________________ threads per inch. - answer-28 a 6-32 x 2 1/2 machine screw has a diameter of ___________ inches - answer-.138 Which of the following are wire connectors? 1. Split-bolt 2. Compression Connector 3. Mechanical Lug - answer-1, 2, & 3 look at questions 2, 5, 6 for the questions w/ pictures - answerAs a general rule, the strength of a rope is reduced about _______________ when knot is tied - answer-50% Work can be preformed using power tools in wet locations if _________________________________________________. - answer-the tool uses a lowvoltage insolation transformer.Which of the following is NOT considered electrical hazard by OSHA. - answer-Power tool injury Extension ladders longer than _____ feet should not be used. - answer-60 A ladder that can be readily moved or carried describes a _________. 1. step ladder 2. extension ladder - answer-1 & 2 A type 2 ladder is rated to withstand a load of ___________ pounds. - answer-225 pounds A worker who weighs 260 pounds and is wearing a 16 lb tool belt __________ exceeded the rating of a Type 1A ladder. - answer-has NOT If you are working with an extension ladder that has 15 rungs in each of the two sliding sections, this is a _____________-foot extension ladder. - answer-30 If you are standing on the highest permitted step on a 12 foot step ladder, the top of your head will be about ____________ feet above the floor. You are 6 feet tall. - answer-16 If you are standing on the highest permitted step on a 12 foot step ladder, you ________ required to use fall protection equipment. - answer-are NOT Moving carts or hand trucks over bumpy, rough terrain or up and down stairs may expose workers to abrupt, jarring impacts which can cause shoulder and back pain. - answer-TRUE While working in a hazardous area where the worker is exposed to serve impact hazards face shields are required to be worn along with safety goggles or glasses. - answer-TRUEWhich of the following would best protect your eyes from the dust or other airborne particles? 1. Safety glasses 2. Safety goggles 3. Full face shields - answer-2. Safety googles ONLY Look at 21, 31 for picture and question - answer-:) According to the NEC Index, branch circuits are covered under in Articles _________. - answer- 210 & 220 What NEC Article discusses the purpose and scope of the Code? - answer-Article 90 What Article of the NEC may be referred to as a dictionary or glossary of terms? - answer-Article 100 What word makes a code requirement mandatory? - answer-Shall Nationally Recognized Testing Laboratory (NRTL) _______________ electrical products to provide a basis for approval by inspectors in the field. - answer-Test and list The circuit breaker feeding EWR Panel B has a rating of ______ Amps - answer-100 All connected loads in the house should be balanced within ______%, according to the EWR specifications . - answer-10% Which materials listed below are good insulators?1. Aluminum 2. Gold 3. Distilled water - answer-Distilled water only Two particles that have opposites charges (one + and the other -) will _______ each other. - answer-Attract For a 200-A RESIDENTIAL service, the smallest service conductors permitted according to 310.15 (B)(7) in the NEC are __________ AWG THHN/THWN. - answer-2/0 In the international system of units, the prefix milli- means _____________. - answer-one thousandth 12mA equals: - answer-0.012A 1.2mV equals: - answer-1,200,00 V 1.3kV equals: - answer-1,300 V On Monday there were 1021 electricians working. Tuesday was bad weather and only 794 electricians were working. How many electricians did not work on Tuesday because of bad weather? - answer-227 An electrician has a gross pay of $396.00 and worked 44 hours. What is the hourly rate of pay for the electrician? - answer-$9.00 1 inch equals ___ centimeters - answer-2.54 cm32 mm equals ____ inches - answer-1.26 inches A circuit consists of 364 feet of 6 AWG copper conductors. This wire has a resistance of .491 ohms per 1000 feet. What is the resistance, in mΩ, of the circuit conductors? - answer-178.7 23.5 V equals: - answer-23,500 mV 10.3 μA equals: - answer-. A 106 A equals: - answer-.106 kA There are 31 students in the class. 8 students are over 6 feet tall. 17 students are 5'6" to 6'0" in height. 6 students are under 5'2". What is the ratio of the number of students under 5'2" to the number of students over 6' tall? - answer-3:4 You timed your helper and it took him 2 1/2 hours to dig a trench 20 feet long. If you get another helper who will work at the same pace, how much time will it take BOTH of them to dig an additional 100 feet? - answer-6 hours and 15 minutes You need to get lamps installed for 544 luminaries that are located in an 11-foot high ceiling. You remember that it usually takes 45 minutes for an appropriate to install lamps in 12 of these luminaries. It should take one apprentice ______________ to "lamp" the 544 luminaries. - answer-34 hours 0 minutes The NEC permits 20% of the cross-sectional area in a wireway to be occupied by conductors. For an 8" x 8" x 6' long wire way the conductors can occupy ____________ in². - answer-12.8 question 50 - answer64 square yards = - answer-82,944 square inches. 64 square yards = - answer-576 square feet Look at 53, 54, 55, 56 for picture - answer- 5,832 cubic inches = - answer-3.375 cubic feet