Words to Describe switchboards

How switchboards often is described ("________ switchboards")

• section
• intermediate
• congressional
• modern
• polarity
• private
• wire
• electronic
• smaller
• secondary
• sub
• fashioned
• battery
• automatic
• distance
• most
• type
• jammed
• central
• indoor
• small
• digital
• fewer
• live
• ordinary
• main
• automated
• commercial
• metallic
• wiring
• auxiliary
• mechanical
• respective
• volt
• portable
• electrical
• line
• centralizing
• front
• manual
• remote
• controlled
• separate
• larger
• style
• mental
• computerized
• current
• large
• operated
• complicated
• dimmer
• special
• early
• elaborate
• gay
• local
• synaptic
• complex
• busy
• multiple
• electric