QUOTE (Tymeaus Jalynsfein @ Sep 11 2010, 12:30 PM)

Think about this though...are you really going to hold the igniter (attached to the DetCord) in your hand to yank the Pullring? Really? I would highly doubt it (with the explosive rate of DetCord you will suffer the likely loss of fingers/hand/arm)... what is more likely is you will attach the igniter to a Small length of Fusing, which is attached to a Percussion Detonator, which is then attacked to a length of DetCord running to your Main Ring of explosives (All attached with DetCord)... At least that is how the Military does it...
You also have Electrical Options for this as well, some of which can be used wired, and other which may be used via Remote Radio/Computer...
I added a video - the guy really does just hold the igniter tube.
Generally, they don't run Detcord all the way up to handheld igniters - if they're using DetCord, the last few feet will be replaced with Shock Tubing, which is a little less explody. If the ignition is computer-controlled rather than manually initiated (many building demolitions are these days) you can in fact run the Detcord right up to the igniter in some systems.
Really, quite often these days Shock Tubing has replaced Detcord entirely as the commonly used "fuse" of choice in commercial demolitions. Rather than PETN inside a cord, it's a fine explosive powder. Less finicky than PETN. But most laymen have never heard of Shock Tubing, so I initially used Detcord as a reference since more folks have heard of that.
QUOTE (Tymeaus Jalynsfein @ Sep 11 2010, 12:30 PM)

Military applications STILL use detonators, both Electrical and Percussion, to ignite DetCord... I was unaware that Construction Demolitions have changed significantly from Military Applications. From what I have seen over the last few years, it is still as I described. Though your potential applications have come a long way for actual detonation, at the core, you still need a Detonator. Fulminate of Mercury for the win...

Of course, I may be caught up in the definition of "Explode" Here... no, Detonators are not like they were 50 years ago, most definitely...

Yeah, Commercial stuff has the luxury of running fuse all over the place. Military often doesn't.
I've seen commercial-grade remote igniters that are little more than a standard ignition tube with a radio controlled release, and tiny length of shock tube that gets stuck into the explosive, but I've never actually seen them used. Most of the time commercial demolitions folks prefer non-wireless stuff - urban environments have way too much radio traffic for remote detonation to be 'safe'.
-karma