Pools, Mobile Homes and Temporary wiring - Sections 68, 72 and 76 Flashcards
Can overhead wiring be located above a pool.
No.
Unless certain conditions are met, these are laid out well in appendix B.
How close to a pool may metal equipment be when not required to be bonded?
More than 1.5 m, or suitable separated by a fence.
What is the smallest size copper bonding conductor for equipment near a permanent in ground pool?
6 awg.
Must the rebar of a pool’s construction be bonded?
Yes, at a minimum of four points equally spaced.
Each deck box must have one bonding conductor going straight to ____________.
The Panelboard supplying the equipment associated with the deck box.
When can a junction box be immersed in water?
If approved for it, and only in decorative pools.
How many bonding connections must be provided for in a deck box?
3 on the inside and at least 1 #6 lug on the outside.
Can you use a deck box as a general raceway for conductors?
No, the only conductors within a deck box are for the supply of underwater equipment.
Where would you find a definition of a watertight enclosure?
Sec 22-102.
Must forming shells allow for the connection of threaded rigid conduit?
Yes, this helps make it watertight.
What is the maximum operating voltage of dry niche luminaires?
300V.
How far must the controls for a spa/hot tub/hydromassage bathtub?
At least 1 m or an integral part of the equipment.
What must commercial hut tubs have which is not required in residential units?
An emergency shut off switch, located within sight and no more than 15m away.
What is a leakage current collector?
A corrosion resistant pipe section which allows a bonded path for loose current in the water to flow. Bonded with a #6 awg conductor.
When is a leakage current collector not required?
When the only electrical equipment is identified as an insulated wet end pump.
What kind of receptacles are allowed to be installed in an RV park?
15 A, 125V, 2-pole, 3 wire type 5-15R or 5-15R GFCI
20 A, 125V, 2-pole, 3 wire type 5-20R or 5-20R GFCI
30 A, 125V, 2-pole, 3 wire type TT-30R
50 A, 125/250V, 3-pole, 4 wire type 14-50R.
Do NEMA wire numbers include a bonding conductor?
Yes, 3 wire means hot, identified and bond.
According to the CEC what does a recreational vehicle require to be considered as such?
Wheels, except in the case of a truck camper. A tent is not considered a vehicle.
When installing a 14-50R receptacle, how must the U ground slot be oriented?
Upright, if on a (semi) vertical plane.
If a receptacle is wired from a multi wire branch circuit, how must it be considered in a service calculation?
As two outlets.
How is the service for a mobile home park calculated?
Based on 8-200 for individual units,
Based on 8-202 (3) for the park, using the demand from 8-200 as a “suite” demand.
What are the four requirements to mount temporary service on a pole outside?
Accessible to authorized persons only,
Capable of being locked,
Protected mechanically and against weather,
Not exceed 200A, if on one single pole.
May a temporary wiring installation ever be connected to a permanent installation?
No, they must always remain separate.
Can you connect your drill charger to the end of some string lighting connected to a C-panel distribution center?
No, this is not allowed by code.
