Electrician 4th sem Control Panel Wiring

Which supply indicates by the colour of conductor exihibited on Red, Blue and Black?

• Supply DC 3 wire system

• Single phase AC system

• Supply AC system 3 phase

• Apparatus AC system 3 phase

Which cable ties are used to bunch the wires?

• Silk ties

• P.V.C ties

• Nylon ties

• Cotton ties

Which device is avoided in the panel board assembly?

• Sensors

• Indicating lamp

• Isolating switch

• Push button switch

What is the name of the device marked X’?

• Stop button

• Start button

• Main contact

• Auxiliary contact

What is the name of the wiring accessory used in control panel wiring?

• DIN rails

• G channel

• Grommets

• Race ways

What is the name of the device marked as X’ in the cricuit?

• Contactor

• No volt coil

• Stop button

• Over load relay trip

What is the name of the accessory used in control panel wiring?

• Wire ferrules

• Wire sleeves

• Nylon cable ties

• Cable binding strap

What is the name of the accessory used in control panel wiring?

• Lugs

• Thimble

• Grommet

• Terminal connector

Which device protects from overload and short circuit in a panel board?

• Isolating switch

• Time delay relay

• Thermal overload relay

• Miniature circuit breaker

Which switch with an actuator is operated by the motion of a machine or part of an object?

• Limit switch

• Toggle switch

• Isolating switch

• Push button switch