A
Closer Look: So, You Think You're
Looking at a Manufactured Wiring System? and Where
is the Switch?
by Robert
McCullough
Article 1: I’m sure that all of you at one point or another have asked
yourselves what is a manufactured wiring system. Well, maybe not all of you, but most of you…right? Well maybe not most, but some of you have... OK, so a couple of you have asked that question. The Code rules for manufactured wiring systems (MWS) are found in Article 604 and are quite easy to apply once you determine that, in fact, what you are looking at is a MWS.
Article 2: I remember the time when my grandmother’s home had a string from a lampholder on the ceiling of the bedroom run over to the door to cut on the light. In the master bedroom, two strings were used—one to the door and one to the wall beside the bed. Now that was "Up-Town!"
Canadian
Code: Rules for Electrical Utility Supply
by Leslie
Stoch
The Canadian Electrical Code, Section 6 provides us with some important rules for installing service equipment, wiring methods and metering. The following rules apply to electrical utilities and their customers at the service entrance, the point where an electrical utility connects to a customer’s electrical installation. This article covers some of the main requirements on the number and locations of electrical services and defines the terms used in the code.
Other
Code: I Dare You to Climb That Tower
by David
C. Young, PE
How do we stop people from killing themselves? In particular, how do we stop teenage boys from climbing high voltage transmission towers like this one? Whether they are located in a secluded forest area or in someone’s backyard, a high voltage transmission tower looks like a "jungle gym" as we used to call them in elementary school.
UL
Question Corner (pdf)
by Underwriters
Laboratories
The
“UL Question Corner” answers questions of general interest that
are sent in from authorized government inspectors and we believe will
have interest for many inspectors.
Ask
CSA: Electric Sauna Heaters (pdf)
by CSA
Group
CSA International’s Corporate Audits and Investigations Group has investigated several fires over the years
that were apparently caused by improperly installed electric sauna heaters. Most of the fires investigated
were in residences; however, a few incidents occurred that involved commercial saunas. This article will focus primarily on residential saunas, but the same conditions may present similar fire hazards if applied to a commercial sauna. |