Nicet level 1 Study Guide questions with Complete Solutions
When testing a water level supervisory switch serving a pressure tank a signal shall indicate if the water level _____________from the required level (NFPA 72, Table 14.4.3.2 17 (j) (4) - Ans rises or falls over 3 inches If combination audible/visible appliances are installed the location of the installed appliance shall be determined by the requirements of _______. (Nfpa 72 18.4.8.1) - Ans the visible appliance What is the maximum number of 12 gauge THHN wires that can be installed in 1" EMT? (Nec Annex C tables) - Ans 26 Two resistors are connected in parallel. R1 = 300 Ohms, R2 = 300 Ohms. What is their equivalent resistance? - Ans 150 ohms
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