The NEMA starter for a 5 hp – 460 volt - 3 PH motor is ______. 00 0 1 2 3 The NEMA starter for a 15 hp – 230 volt – 3 PH motor is ______. 00 0 1 2 3 The NEMA starter for a 3 hp – 230 volt – 1 PH motor is ______. 00 0 1 2 3 The NEMA starter for a 1 hp – 230 volt - 1 PH motor is ______. 00 0 1 2 3 Quiz 5 – Ground wires The purpose of the equipment grounding conductor is to serve as a ______. low resistance path to ground as a safety measure to prevent electrical shocks if there is an electrical short spare current carrying conductor spare grounded conductor (neutral) all of the answers provided none of the answers provided The color of the equipment grounding conductors is ______. green green with one or more yellow stripes bare all of the answers provided The size of the equipment ground conductor must be larger than the ______. FLA overcurrent protection devices fuse size short-circuit protection devices fuse size ambient temperature all of the answers provided The minimum size of the equipment grounding conductor when using an instantaneous-trip breaker is to be not smaller than the conductor that is sized for ______. a non-time-delay fuse a dual-element fuse an inverse-time breaker all of the answers provided none of the answers provided The size of the equipment ground conductor does not have to be larger than the conductors to the equipment. True False No equipment ground wire is required when using flexible metal conduit when ______. A. each end of the conduit uses the correct sized bushing B. it is terminated in listed fittings C. the system has overcurrent devices rated at 20 amperes or less D. the length of flexible conduit is 6 feet or less E. B and C and D If flexible conduit is installed to allow for motor vibrations, then a separate ground wire must be installed. True False The minimum size equipment grounding wire for a circuit with a rating of the automatic overcurrent device of 100 amps is ______. 14 AWG 12 AWG 10 AWG 8 AWG 6 AWG
The disconnect rating is a minimum of ______ (nearest). 11 amps 20 amps 27 amps 32 amps none of the answers provided The OCPD standard fuse for this installation is ______. Hint: OCPD values change with service factors. 6 amps 10 amps 15 amps 20 amps 25 amps The equipment grounded wire is ______. Hint – High Amp Start Motor Hint – Ground wire not greater than conductors 14 AWG 12 AWG 10 AWG 8 AWG 6 AWG The minimum sized EMT for this installation is ______. Hint – Count all conductors plus ground. 1/2 inch 3/4 inch 1 inch 1-1/4 inch The minimum sized LFMC for this installation is ______. Hint – Count all conductors plus ground. 1/2 inch 3/4 inch 1 inch 1-1/4 inch Quiz 9 – Complete Second System worksheet 7-1/2 hp | 230 volts | 3 PH | FLA – 25 | SF – 1.10 | Ambient – 85°F | 3 wires | High Amp Start The FLC for this motor is ______. 38 amps 22 amps 9.6 amps 4.8 amps 3.4 amps The design FLC amp load for wire sizing is ______. 27.5 amps 40 amps 50 amps 60 amps 100 amps The conductor size for this motor installation is ______. 14 AWG 12 AWG 10 AWG 8 AWG 6 AWG The insulation type for the conductors for this installation is ______. Hint: See terminal temperatures of motor/ controller, safety switches TW THHW THW-4 none of the answers provided The short circuit standard fuse is ______. Hint – Review Summary Table for Short Circuit/ Ground Fault Max. Allowable Size Hint – High Amp Start Motor 70 amps 80 amps 90 amps 100 amps 110 amps The disconnect rating is a minimum of ______ (nearest). 26 amps 53 amps 71 amps 79 amps 93 amps The OCPD for this installation is ______ standard fuse size.