Stage 3E, Electrical
Electric Service.
Up to 5 circuits may be on a 30A service. 6 circuits or more will require a 50A service.
Main Disconnect. 6 or more circuits require a main breaker/disconnect, i.e. if you only have two 20A circuits in the unit you will not need a main disconnect.
Length of power cord: 25’ if on the side 30’ if on the rear. If the entrance of the cable into the vehicle is more than 3’ from the ground, add that distance to the length of the power cord.
Spacing of outlets: Any wall 2’ or more will require a receptacle outlet, and an outlet is required so no point along the floor line is an outlet more than 12’ away.
Each side of the sink, adjacent to the refrigerator or range if it is a gas fired appliance.
Any counter 12” or more wide.
You are required to have 2- 20A circuits for the kitchen & 1- 20A circuit for the bath if it has a sink in it.
GFCI
Within 6’ of the kitchen sink or the bathroom sink.
Any area occupied by a toilet, shower or tub.
On a roof top deck at least one outlet is required.
At least one outside outlet is required.
An outside light is required at each exit door.
Other Notes
A hard wired smoke detector is required to be mounted as high as possible either outside or inside the sleeping area.
No outlet is to be installed in the face up position.
Each Tiny House must have only 1 main power supply.
Working clearance for the electric panel 24” wide 30” deep.
Cable supports (staples)
If the box has cable connectors; provide cable supports every 12” from the box and every 4.5’.
If the box has no connectors; provide cable supports every 8” from the box and every 4.5’.
Metal roof/siding panels must be grounded with 8 AWG copper to the trailer frame only.
Electric panel ground bus bar must be isolated from the neutral bus bar and grounded to the trailer frame with 8 AWG copper.
Gas, water and waste pipe get bonded to the chassis.