electricalscho

A substation located at the electrical interface of two sections of electrified railway. It contains provision for the coupling of the sections electrically in the event of loss of supply to one section.

A transformer that often is mounted on a leak proof base and can be installed and operated in a semi-trailer, box truck or sea freight container.

An expression used by some manufacturers to describe a category of low voltage, 600 volt class switchgear equipment, where the circuit breakers are all enclosed in grounded, sheet-steel enclosures. Such enclosures normally are suitable only for indoor use

An electrical system or cable designed to operate between 1kv and 38kv.

A luminary is classified as having a medium light distribution when its max candlepower point falls between 2.25MH 3.75MH TRL. The maximum luminaire spacing-to-mounting height ratio is generally 7.5 or less.