Electrical Installation and Maintenance Quiz

PART OF AUXILLIARY DEVICE OF CCTV THAT MONITOR MOTION ONLY- CAMERA

COMMONLY USED TYPE OF CONDUIT IN SERVICE ENTRANCE

• RSC-RIGID STEEL CONDUIT

• IMC-INTERMEDIATE METALLIC CONDUIT

DIAGRAM THAT SHOWS THE LOCATION AND ACTUAL TERMINATION OF THE AUXILLIARY DEVICES - WIRING DIAGRAM

GROUND HAS A LOWER RESISTANCE COMPARED TO THE BODY. SINCE CURRENT TENDS TO FLOW TO LOWER RESISTANCE, IF THERE IS A GROUNDING SYSTEM IT WILL PREVENT ELECTRIC SHOCK

CLASSIFICATION OF CURRENT

• DIRECT CURRENT-ONE DIRECTION

• ALTERNATING CURRENT-REVERSES A NUMBER OF TIME/SECOND

TYPES OF CIRCUIT

• SERIES CIRCUIT

• PARALLEL CIRCUIT

• SERIES PARALLEL CIRCUIT

FDAS - FIRE DETECTION ALARM SYSTEM COMPONENT:

CCTV - CLOSE CIRCUIT TELEVISION COMPONENTS:

HEIGHT OF SWITCHES

• MAXIMUM-1500mm

• MINIMUM – 1400 mm

HEIGHT OF CONVENIENCE OUTLET