Philippine Electrical Code (Subject 1) - Nth

1.“Concealed” as applied to electrical wiring means:

• Rendered inaccessible by the structure or finish of the building

• Capable of being reached quickly

• Capable of being removed without damage

• Admitting close approach

2. A feeder is:

• A circuit conductor between the final overcurrent device protecting the circuit and the outlet

• A branch circuit that supplies several outlets

• All circuit conductors between the service equipment, the source of a separately derived system, or other power supply source and the final branch-circuit overcurrent device

• A device for generating electricity

3. A bonding conductor or jumper is:

• A branch circuit that supplies only one utilization equipment

• A reliable conductor to ensure the required electrical conductivity

  between metal parts required to be electrically connected

• An adhesive used to insulate conductors

• Capable of being operated without exposing operator to contact with

  live parts

4. In locations where electric equipment would be exposed to physical damage, the following must be provided:

• Warning signs

• Sufficient headroom

• Working space

• Enclosures or guards

5. To provide access to the working space about electric

equipment, the following number of entrances of sufficient size

must be provided:

• 3

• 2

• 1

• 4

6. Externally operable means:

• Capable of being operated from the outside of a building

• An apparatus enclosed in a case

• Capable of being operated without exposing the operator to

  contact with live parts

• Surrounded by a case

7. What must be provided for in all working spaces above service

equipment?

• A water faucet to flush operator’s eyes

• A drinking fountain

• Illumination

• A wash basin

8. Parts of electric equipment which in ordinary operation produce arcs, sparks, flames, or molten metal shall be enclosed or separated and isolated from:

• All other electrical equipment

• All combustible material

• Electric lighting

• All working spaces

9. Working space in rooms containing electrical equipment shall not be used for:

• Storage

• Maintenance and repair of equipment

• Testing purposes

• Inspection or servicing

10. In all cases where there are live parts normally exposed on

the front of switchboards or motor control centers, the working

space in front of such equipment shall not be less than:

• 1 foot

• 3 feet

• 4 feet unless adequate protection is provided

• 18 inches