ni materi gamtek dari HME lanjutanya bisa di unduh di link" berikut ini :
http://www.4shared.com/document/PfbdNIdI/1SYARATINSTALASI.html
http://www.4shared.com/document/32HuZ6hL/3peralatangambar.html
http://www.4shared.com/document/U5Yee_tP/simbolinstalasilistrik.html
http://www.4shared.com/document/p_X4Z-aL/PENGKABELANINSTALASI.html
http://www.4shared.com/document/PfbdNIdI/1SYARATINSTALASI.html
http://www.4shared.com/document/32HuZ6hL/3peralatangambar.html
http://www.4shared.com/document/U5Yee_tP/simbolinstalasilistrik.html
http://www.4shared.com/document/p_X4Z-aL/PENGKABELANINSTALASI.html