Philippine Electrical Code_Definitions_Part 1

The permanent joining of metallic parts to form an electrically conductive path which will assure electrical continuity and the capacity to conduct safely any current likely to be imposed.

• Bus

• Hoistway

• Bonding

• Wireway

A device designed to open and close a circuit by nonautomatic means and to open the circuit automatically on a predetermined overcurrent without damage to itself when properly applied within its rating.

• Circuit breaker

• Switchboard

• Switchgear

• Fixture

All circuit conductors between the service equipment, or the generator switchboard of an isolate plant, and the final branch-circuit overcurrent device.

• Wireway

• Feeder

• Service

• Busway

Capable of being inadvertently touched or approached nearer than a safe by a person. It is applied to parts not suitably guarded, isolated, or insulated.

• Exposed

• Accessible

• In sight from

• Equipment

The sum of the continuous ratings of the load consuming apparatus connected to the system or any part thereof.

• Maximum demand

• Continuous load

• Connected load

• Ampacity

A load where the maximum current is expected to continue for three hours or more.

• Connected load

• Continuous load

• Maximum demand

• Appliance

The unit of luminous flux. It is equal to the flux through a unit solid angle (steradian) from a uniform point source of one candle, or to the flux on a unit surface all points of which are at unit distance from a uniform point source of one candle.

• Candela

• Lux

• Illuminance

• Lumen

Any shaft way, hatchway, well hole, or other vertical opening or space in which an elevator or dumbwaiter is designed to operate.

• Service lateral

• Raceway

• Hoistway

• Busway

Capable of being removed or exposed without damaging the building structure or finish, or not permanently closed in by the structure or finish of the building.

• Concealed

• Fitting

• Accessible

• Exposed

Utilization equipment, generally other than industrial, normally built in standardized sizes or types, which is installed or connected as a unit to perform one or more functions such as clothes washing, air conditioning, food mixing, deep frying, etc.

• Intermittent duty

• Load

• Equipment

• Appliance